A B C D E F G H I J K L M N O P Q R S T U V W Z

A

AbstractProcessor<K,V> - Class in org.apache.kafka.streams.processor

An abstract implementation of Processor that manages the ProcessorContext instance and provides default no-op implementations of AbstractProcessor.punctuate(long) and AbstractProcessor.close().

AbstractProcessor() - Constructor for class org.apache.kafka.streams.processor.AbstractProcessor

accepts(StateStore) - Method in interface org.apache.kafka.streams.state.QueryableStoreType

Called when searching for StateStores to see if they match the type expected by implementors of this interface

addGlobalStore(StateStoreSupplier<KeyValueStore>, String, Deserializer, Deserializer, String, String, ProcessorSupplier) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Adds a global StateStore to the topology.

addGlobalStore(StateStoreSupplier<KeyValueStore>, String, TimestampExtractor, Deserializer, Deserializer, String, String, ProcessorSupplier) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Adds a global StateStore to the topology.

addInternalTopic(String) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Adds an internal topic

addLatencyAndThroughputSensor(String, String, String, Sensor.RecordingLevel, String...) - Method in interface org.apache.kafka.streams.StreamsMetrics

Add a latency and throughput sensor for a specific operation, which will include the following sensors: average latency max latency throughput (num.operations / time unit) Also create a parent sensor with the same metrics that aggregates all entities with the same operation under the same scope if it has not been created.

addProcessor(String, ProcessorSupplier, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new processor node that receives and processes records output by one or more parent source or processor node.

addSensor(String, Sensor.RecordingLevel) - Method in interface org.apache.kafka.streams.StreamsMetrics

Generic method to create a sensor.

addSensor(String, Sensor.RecordingLevel, Sensor...) - Method in interface org.apache.kafka.streams.StreamsMetrics

Generic method to create a sensor with parent sensors.

addSink(String, String, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic.

addSink(String, String, StreamPartitioner, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic, using the supplied partitioner.

addSink(String, String, Serializer, Serializer, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic.

addSink(String, String, Serializer<K>, Serializer<V>, StreamPartitioner<? super K, ? super V>, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new sink that forwards records from upstream parent processor and/or source nodes to the named Kafka topic.

addSource(String, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.

addSource(TopologyBuilder.AutoOffsetReset, String, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.

addSource(TimestampExtractor, String, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.

addSource(TopologyBuilder.AutoOffsetReset, TimestampExtractor, String, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes the named topics and forward the records to child processor and/or sink nodes.

addSource(String, Pattern) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes from topics matching the given pattern and forward the records to child processor and/or sink nodes.

addSource(TopologyBuilder.AutoOffsetReset, String, Pattern) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes from topics matching the given pattern and forward the records to child processor and/or sink nodes.

addSource(TimestampExtractor, String, Pattern) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes from topics matching the given pattern and forward the records to child processor and/or sink nodes.

addSource(TopologyBuilder.AutoOffsetReset, TimestampExtractor, String, Pattern) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes from topics matching the given pattern and forward the records to child processor and/or sink nodes.

addSource(String, Deserializer, Deserializer, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes the named topics and forwards the records to child processor and/or sink nodes.

addSource(TopologyBuilder.AutoOffsetReset, String, TimestampExtractor, Deserializer, Deserializer, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes the named topics and forwards the records to child processor and/or sink nodes.

addSource(String, Deserializer, Deserializer, Pattern) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes from topics matching the given pattern and forwards the records to child processor and/or sink nodes.

addSource(TopologyBuilder.AutoOffsetReset, String, TimestampExtractor, Deserializer, Deserializer, Pattern) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes from topics matching the given pattern and forwards the records to child processor and/or sink nodes.

addSource(TopologyBuilder.AutoOffsetReset, String, Deserializer, Deserializer, Pattern) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Add a new source that consumes from topics matching the given pattern and forwards the records to child processor and/or sink nodes.

addStateStore(StateStoreSupplier, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Adds a state store

addThroughputSensor(String, String, String, Sensor.RecordingLevel, String...) - Method in interface org.apache.kafka.streams.StreamsMetrics

Add a throughput sensor for a specific operation: throughput (num.operations / time unit) Also create a parent sensor with the same metrics that aggregates all entities with the same operation under the same scope if it has not been created.

advanceBy(long) - Method in class org.apache.kafka.streams.kstream.TimeWindows

Return a window definition with the original size, but advance ("hop") the window by the given interval, which specifies by how much a window moves forward relative to the previous one.

advanceMs - Variable in class org.apache.kafka.streams.kstream.TimeWindows

The size of the window's advance interval in milliseconds, i.e., by how much a window moves forward relative to the previous one.

after(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Changes the end window boundary to timeDifferenceMs but keep the start window boundary as is.

afterMs - Variable in class org.apache.kafka.streams.kstream.JoinWindows

Maximum time difference for tuples that are after the join tuple.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Serde<VR>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Serde<VR>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Windows<W>, Serde<VR>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key and defined windows.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Windows<W>, Serde<VR>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key and defined windows.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Windows<W>, StateStoreSupplier<WindowStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key and defined windows.

aggregate(Initializer<T>, Aggregator<? super K, ? super V, T>, Merger<? super K, T>, SessionWindows, Serde<T>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key and defined SessionWindows.

aggregate(Initializer<T>, Aggregator<? super K, ? super V, T>, Merger<? super K, T>, SessionWindows, Serde<T>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key and defined SessionWindows.

aggregate(Initializer<T>, Aggregator<? super K, ? super V, T>, Merger<? super K, T>, SessionWindows, Serde<T>, StateStoreSupplier<SessionStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Aggregate the values of records in this stream by the grouped key and defined SessionWindows.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Aggregator<? super K, ? super V, VR>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Aggregate the value of records of the original KTable that got mapped to the same key into a new instance of KTable using default serializers and deserializers.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Aggregator<? super K, ? super V, VR>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Aggregate the value of records of the original KTable that got mapped to the same key into a new instance of KTable using default serializers and deserializers.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Aggregator<? super K, ? super V, VR>, Serde<VR>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Aggregate the value of records of the original KTable that got mapped to the same key into a new instance of KTable using default serializers and deserializers.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Aggregator<? super K, ? super V, VR>, Serde<VR>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Aggregate the value of records of the original KTable that got mapped to the same key into a new instance of KTable using default serializers and deserializers.

aggregate(Initializer<VR>, Aggregator<? super K, ? super V, VR>, Aggregator<? super K, ? super V, VR>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Aggregate the value of records of the original KTable that got mapped to the same key into a new instance of KTable using default serializers and deserializers.

Aggregator<K,V,VA> - Interface in org.apache.kafka.streams.kstream

The Aggregator interface for aggregating values of the given key.

all() - Method in interface org.apache.kafka.streams.state.ReadOnlyKeyValueStore

Return an iterator over all keys in this store.

allMetadata() - Method in class org.apache.kafka.streams.KafkaStreams

Find all currently running KafkaStreams instances (potentially remotely) that use the same application ID as this instance (i.e., all instances that belong to the same Kafka Streams application) and return StreamsMetadata for each discovered instance.

allMetadataForStore(String) - Method in class org.apache.kafka.streams.KafkaStreams

Find all currently running KafkaStreams instances (potentially remotely) that use the same application ID as this instance (i.e., all instances that belong to the same Kafka Streams application) and that contain a StateStore with the given storeName and return StreamsMetadata for each discovered instance.

appConfigs() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns all the application config properties as key/value pairs.

appConfigsWithPrefix(String) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns all the application config properties with the given key prefix, as key/value pairs stripping the prefix.

APPLICATION_ID_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

application.id

APPLICATION_SERVER_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

user.endpoint

applicationId() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the application id

apply(K, V, VA) - Method in interface org.apache.kafka.streams.kstream.Aggregator

Compute a new aggregate from the key and value of a record and the current aggregate of the same key.

apply(K, V) - Method in interface org.apache.kafka.streams.kstream.ForeachAction

Perform an action for each record of a stream.

apply() - Method in interface org.apache.kafka.streams.kstream.Initializer

Return the initial value for an aggregation.

apply(K, V) - Method in interface org.apache.kafka.streams.kstream.KeyValueMapper

Map a record with the given key and value to a new value.

apply(K, V, V) - Method in interface org.apache.kafka.streams.kstream.Merger

Compute a new aggregate from the key and two aggregates.

apply(K, V) - Method in class org.apache.kafka.streams.kstream.PrintForeachAction

apply(V, V) - Method in interface org.apache.kafka.streams.kstream.Reducer

Aggregate the two given values into a single one.

apply(V1, V2) - Method in interface org.apache.kafka.streams.kstream.ValueJoiner

Return a joined value consisting of value1 and value2.

apply(V) - Method in interface org.apache.kafka.streams.kstream.ValueMapper

Map the given value to a new value.

approximateNumEntries() - Method in interface org.apache.kafka.streams.state.ReadOnlyKeyValueStore

Return an approximate count of key-value mappings in this store.

AT_LEAST_ONCE - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "processing.guarantee" for at-least-once processing guarantees.

B

before(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Changes the start window boundary to timeDifferenceMs but keep the end window boundary as is.

beforeMs - Variable in class org.apache.kafka.streams.kstream.JoinWindows

Maximum time difference for tuples that are before the join tuple.

BOOTSTRAP_SERVERS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

bootstrap.servers

branch(Predicate<? super K, ? super V>...) - Method in interface org.apache.kafka.streams.kstream.KStream

Creates an array of KStream from this stream by branching the records in the original stream based on the supplied predicates.

BrokerNotFoundException - Exception in org.apache.kafka.streams.errors

Indicates that none of the specified brokers could be found.

BrokerNotFoundException(String) - Constructor for exception org.apache.kafka.streams.errors.BrokerNotFoundException

BrokerNotFoundException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.BrokerNotFoundException

BrokerNotFoundException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.BrokerNotFoundException

BUFFERED_RECORDS_PER_PARTITION_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

buffered.records.per.partition

build(Integer) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Build the topology for the specified topic group.

build() - Method in interface org.apache.kafka.streams.state.Stores.InMemoryKeyValueFactory

Return the instance of StateStoreSupplier of new key-value store.

build() - Method in interface org.apache.kafka.streams.state.Stores.PersistentKeyValueFactory

Return the instance of StateStoreSupplier of new key-value store.

buildGlobalStateTopology() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Builds the topology for any global state stores

C

CACHE_MAX_BYTES_BUFFERING_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

cache.max.bytes.buffering

cleanUp() - Method in class org.apache.kafka.streams.KafkaStreams

Do a clean up of the local StateStore directory (StreamsConfig.STATE_DIR_CONFIG) by deleting all data with regard to the application ID.

CLIENT_ID_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

client.id

close() - Method in class org.apache.kafka.streams.KafkaStreams

Shutdown this KafkaStreams instance by signaling all the threads to stop, and then wait for them to join.

close(long, TimeUnit) - Method in class org.apache.kafka.streams.KafkaStreams

Shutdown this KafkaStreams by signaling all the threads to stop, and then wait up to the timeout for the threads to join.

close() - Method in class org.apache.kafka.streams.kstream.PrintForeachAction

close() - Method in interface org.apache.kafka.streams.kstream.Transformer

Close this processor and clean up any resources.

close() - Method in interface org.apache.kafka.streams.kstream.ValueTransformer

Close this processor and clean up any resources.

close() - Method in class org.apache.kafka.streams.processor.AbstractProcessor

Close this processor and clean up any resources.

close() - Method in interface org.apache.kafka.streams.processor.Processor

Close this processor and clean up any resources.

close() - Method in interface org.apache.kafka.streams.processor.StateStore

Close the storage engine.

close() - Method in interface org.apache.kafka.streams.state.KeyValueIterator

close() - Method in interface org.apache.kafka.streams.state.WindowStoreIterator

commit() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Requests a commit

COMMIT_INTERVAL_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

commit.interval.ms

compareTo(TaskId) - Method in class org.apache.kafka.streams.processor.TaskId

configDef() - Static method in class org.apache.kafka.streams.StreamsConfig

Return a copy of the config definition.

CONNECTIONS_MAX_IDLE_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

connections.max.idle.ms

connectProcessorAndStateStores(String, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Connects the processor and the state stores

connectProcessors(String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Connects a list of processors.

connectSourceStoreAndTopic(String, String) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

This is used only for KStreamBuilder: when adding a KTable from a source topic, we need to add the topic as the KTable's materialized state store's changelog.

CONSUMER_PREFIX - Static variable in class org.apache.kafka.streams.StreamsConfig

Prefix used to isolate consumer configs from producer configs.

consumerPrefix(String) - Static method in class org.apache.kafka.streams.StreamsConfig

Prefix a property with StreamsConfig.CONSUMER_PREFIX.

context() - Method in class org.apache.kafka.streams.processor.AbstractProcessor

Get the processor's context set during initialization.

copartitionGroups() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Returns the copartition groups.

copartitionSources(Collection<String>) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Asserts that the streams of the specified source nodes must be copartitioned.

count(String) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key.

count() - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key.

count(StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key.

count(Windows<W>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key and the defined windows.

count(Windows<W>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key and the defined windows.

count(Windows<W>, StateStoreSupplier<WindowStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key and the defined windows.

count(SessionWindows, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key into SessionWindows.

count(SessionWindows) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key into SessionWindows.

count(SessionWindows, StateStoreSupplier<SessionStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Count the number of records in this stream by the grouped key into SessionWindows.

count(String) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Count number of records of the original KTable that got mapped to the same key into a new instance of KTable.

count() - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Count number of records of the original KTable that got mapped to the same key into a new instance of KTable.

count(StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Count number of records of the original KTable that got mapped to the same key into a new instance of KTable.

create(StateStoreProvider, String) - Method in interface org.apache.kafka.streams.state.QueryableStoreType

Create an instance of T (usually a facade) that developers can use to query the underlying StateStores

create(String) - Static method in class org.apache.kafka.streams.state.Stores

Begin to create a new StateStoreSupplier instance.

D

DEFAULT_KEY_SERDE_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

default key.serde

DEFAULT_TIMESTAMP_EXTRACTOR_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

default timestamp.extractor

DEFAULT_VALUE_SERDE_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

default value.serde

defaultKeySerde() - Method in class org.apache.kafka.streams.StreamsConfig

Return an configured instance of key Serde class.

DefaultPartitionGrouper - Class in org.apache.kafka.streams.processor

Default implementation of the PartitionGrouper interface that groups partitions by the partition id.

DefaultPartitionGrouper() - Constructor for class org.apache.kafka.streams.processor.DefaultPartitionGrouper

defaultTimestampExtractor() - Method in class org.apache.kafka.streams.StreamsConfig

defaultValueSerde() - Method in class org.apache.kafka.streams.StreamsConfig

Return an configured instance of value Serde class.

delete(K) - Method in interface org.apache.kafka.streams.state.KeyValueStore

Delete the value from the store (if there is one)

disableLogging() - Method in interface org.apache.kafka.streams.state.Stores.InMemoryKeyValueFactory

Indicates that a changelog should not be created for the key-value store

disableLogging() - Method in interface org.apache.kafka.streams.state.Stores.PersistentKeyValueFactory

Indicates that a changelog should not be created for the key-value store

E

earliestResetTopicsPattern() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Get the Pattern to match all topics requiring to start reading from earliest available offset

enableCaching() - Method in interface org.apache.kafka.streams.state.Stores.PersistentKeyValueFactory

Caching should be enabled on the created store.

enableLogging(Map<String, String>) - Method in interface org.apache.kafka.streams.state.Stores.InMemoryKeyValueFactory

Indicates that a changelog should be created for the store.

enableLogging(Map<String, String>) - Method in interface org.apache.kafka.streams.state.Stores.PersistentKeyValueFactory

Indicates that a changelog should be created for the store.

end() - Method in class org.apache.kafka.streams.kstream.Window

Return the end timestamp of this window.

endMs - Variable in class org.apache.kafka.streams.kstream.Window

equals(Object) - Method in class org.apache.kafka.streams.KeyValue

equals(Object) - Method in class org.apache.kafka.streams.kstream.JoinWindows

equals(Object) - Method in class org.apache.kafka.streams.kstream.TimeWindows

equals(Object) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

equals(Object) - Method in class org.apache.kafka.streams.kstream.Window

equals(Object) - Method in class org.apache.kafka.streams.kstream.Windowed

equals(Object) - Method in class org.apache.kafka.streams.processor.TaskId

equals(Object) - Method in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo

equals(Object) - Method in class org.apache.kafka.streams.state.HostInfo

equals(Object) - Method in class org.apache.kafka.streams.state.StreamsMetadata

EXACTLY_ONCE - Static variable in class org.apache.kafka.streams.StreamsConfig

Config value for parameter "processing.guarantee" for exactly-once processing guarantees.

extract(ConsumerRecord<Object, Object>, long) - Method in interface org.apache.kafka.streams.processor.TimestampExtractor

Extracts a timestamp from a record.

extract(ConsumerRecord<Object, Object>, long) - Method in class org.apache.kafka.streams.processor.WallclockTimestampExtractor

Return the current wall clock time as timestamp.

F

FailOnInvalidTimestamp - Class in org.apache.kafka.streams.processor

Retrieves embedded metadata timestamps from Kafka messages.

FailOnInvalidTimestamp() - Constructor for class org.apache.kafka.streams.processor.FailOnInvalidTimestamp

fetch(K) - Method in interface org.apache.kafka.streams.state.ReadOnlySessionStore

Retrieve all aggregated sessions for the provided key For each key, the iterator guarantees ordering of sessions, starting from the oldest/earliest available session to the newest/latest session.

fetch(K, K) - Method in interface org.apache.kafka.streams.state.ReadOnlySessionStore

Retrieve all aggregated sessions for the given range of keys For each key, the iterator guarantees ordering of sessions, starting from the oldest/earliest available session to the newest/latest session.

fetch(K, long, long) - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Get all the key-value pairs with the given key and the time range from all the existing windows.

fetch(K, K, long, long) - Method in interface org.apache.kafka.streams.state.ReadOnlyWindowStore

Get all the key-value pairs in the given key range and time range from all the existing windows.

filter(Predicate<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Create a new KStream that consists of all records of this stream which satisfy the given predicate.

filter(Predicate<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists of all records of this KTable which satisfy the given predicate.

filter(Predicate<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists of all records of this KTable which satisfy the given predicate.

filter(Predicate<? super K, ? super V>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists of all records of this KTable which satisfy the given predicate.

filterNot(Predicate<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Create a new KStream that consists all records of this stream which do not satisfy the given predicate.

filterNot(Predicate<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists all records of this KTable which do not satisfy the given predicate.

filterNot(Predicate<? super K, ? super V>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists all records of this KTable which do not satisfy the given predicate.

filterNot(Predicate<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable that consists all records of this KTable which do not satisfy the given predicate.

findSessions(K, long, long) - Method in interface org.apache.kafka.streams.state.SessionStore

Fetch any sessions with the matching key and the sessions end is ≥ earliestSessionEndTime and the sessions start is ≤ latestSessionStartTime

findSessions(K, K, long, long) - Method in interface org.apache.kafka.streams.state.SessionStore

Fetch any sessions in the given range of keys and the sessions end is ≥ earliestSessionEndTime and the sessions start is ≤ latestSessionStartTime

flatMap(KeyValueMapper<? super K, ? super V, ? extends Iterable<? extends KeyValue<? extends KR, ? extends VR>>>) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform each record of the input stream into zero or more records in the output stream (both key and value type can be altered arbitrarily).

flatMapValues(ValueMapper<? super V, ? extends Iterable<? extends VR>>) - Method in interface org.apache.kafka.streams.kstream.KStream

Create a new KStream by transforming the value of each record in this stream into zero or more values with the same key in the new stream.

flush() - Method in interface org.apache.kafka.streams.processor.StateStore

Flush any cached data

foreach(ForeachAction<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Perform an action on each record of KStream.

foreach(ForeachAction<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

Use the Interactive Queries APIs (e.g., KafkaStreams.store(String, QueryableStoreType) followed by ReadOnlyKeyValueStore.all()) to iterate over the keys of a KTable. Alternatively convert to a KStream using toStream() and then use KStream.foreach(ForeachAction)} on the result.

ForeachAction<K,V> - Interface in org.apache.kafka.streams.kstream

The ForeachAction interface for performing an action on a key-value pair.

forward(K, V) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Forwards a key/value pair to the downstream processors

forward(K, V, int) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Forwards a key/value pair to one of the downstream processors designated by childIndex

forward(K, V, String) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Forwards a key/value pair to one of the downstream processors designated by the downstream processor name

G

get() - Method in interface org.apache.kafka.streams.kstream.TransformerSupplier

Return a new Transformer instance.

get() - Method in interface org.apache.kafka.streams.kstream.ValueTransformerSupplier

Return a new ValueTransformer instance.

get() - Method in interface org.apache.kafka.streams.processor.ProcessorSupplier

Return a new Processor instance.

get() - Method in interface org.apache.kafka.streams.processor.StateStoreSupplier

Return a new StateStore instance.

get(K) - Method in interface org.apache.kafka.streams.state.ReadOnlyKeyValueStore

Get the value corresponding to this key.

getConsumer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier

Create a Consumer which is used to read records of source topics.

getConsumerConfigs(StreamThread, String, String) - Method in class org.apache.kafka.streams.StreamsConfig

Get the configs to the consumer.

getProducer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier

Create a Producer which is used to write records to sink topics.

getProducerConfigs(String) - Method in class org.apache.kafka.streams.StreamsConfig

Get the configs for the producer.

getRestoreConsumer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier

Create a Consumer which is used to read records to restore StateStores.

getRestoreConsumerConfigs(String) - Method in class org.apache.kafka.streams.StreamsConfig

Get the configs for the restore-consumer.

getStateStore(String) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Get the state store given the store name.

GlobalKTable<K,V> - Interface in org.apache.kafka.streams.kstream

GlobalKTable is an abstraction of a changelog stream from a primary-keyed table.

globalStateStores() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Get any global StateStores that are part of the topology

globalTable(String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a GlobalKTable for the specified topic.

globalTable(String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a GlobalKTable for the specified topic.

globalTable(Serde<K>, Serde<V>, TimestampExtractor, String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a GlobalKTable for the specified topic.

globalTable(Serde<K>, Serde<V>, String, StateStoreSupplier<KeyValueStore>) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a GlobalKTable for the specified topic.

globalTable(Serde<K>, Serde<V>, String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a GlobalKTable for the specified topic.

globalTable(Serde<K>, Serde<V>, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a GlobalKTable for the specified topic.

groupBy(KeyValueMapper<? super K, ? super V, KR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Group the records of this KStream on a new key that is selected using the provided KeyValueMapper and default serializers and deserializers.

groupBy(KeyValueMapper<? super K, ? super V, KR>, Serde<KR>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Group the records of this KStream on a new key that is selected using the provided KeyValueMapper.

groupBy(KeyValueMapper<? super K, ? super V, KeyValue<KR, VR>>) - Method in interface org.apache.kafka.streams.kstream.KTable

Re-groups the records of this KTable using the provided KeyValueMapper and default serializers and deserializers.

groupBy(KeyValueMapper<? super K, ? super V, KeyValue<KR, VR>>, Serde<KR>, Serde<VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Re-groups the records of this KTable using the provided KeyValueMapper.

groupByKey() - Method in interface org.apache.kafka.streams.kstream.KStream

Group the records by their current key into a KGroupedStream while preserving the original values and default serializers and deserializers.

groupByKey(Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Group the records by their current key into a KGroupedStream while preserving the original values.

H

hashCode() - Method in class org.apache.kafka.streams.KeyValue

hashCode() - Method in class org.apache.kafka.streams.kstream.JoinWindows

hashCode() - Method in class org.apache.kafka.streams.kstream.TimeWindows

hashCode() - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

hashCode() - Method in class org.apache.kafka.streams.kstream.Window

hashCode() - Method in class org.apache.kafka.streams.kstream.Windowed

hashCode() - Method in class org.apache.kafka.streams.processor.TaskId

hashCode() - Method in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo

hashCode() - Method in class org.apache.kafka.streams.state.HostInfo

hashCode() - Method in class org.apache.kafka.streams.state.StreamsMetadata

host() - Method in class org.apache.kafka.streams.state.HostInfo

host() - Method in class org.apache.kafka.streams.state.StreamsMetadata

HostInfo - Class in org.apache.kafka.streams.state

Represents a user defined endpoint in a KafkaStreams application.

HostInfo(String, int) - Constructor for class org.apache.kafka.streams.state.HostInfo

hostInfo() - Method in class org.apache.kafka.streams.state.StreamsMetadata

I

inactivityGap() - Method in class org.apache.kafka.streams.kstream.SessionWindows

Return the specified gap for the session windows in milliseconds.

init(ProcessorContext) - Method in interface org.apache.kafka.streams.kstream.Transformer

Initialize this transformer.

init(ProcessorContext) - Method in interface org.apache.kafka.streams.kstream.ValueTransformer

Initialize this transformer.

init(ProcessorContext) - Method in class org.apache.kafka.streams.processor.AbstractProcessor

init(ProcessorContext) - Method in interface org.apache.kafka.streams.processor.Processor

Initialize this processor with the given context.

init(ProcessorContext, StateStore) - Method in interface org.apache.kafka.streams.processor.StateStore

Initializes this state store

Initializer<VA> - Interface in org.apache.kafka.streams.kstream

The Initializer interface for creating an initial value in aggregations.

inMemory() - Method in interface org.apache.kafka.streams.state.Stores.KeyValueFactory

Keep all key-value entries in-memory, although for durability all entries are recorded in a Kafka topic that can be read to restore the entries if they are lost.

InvalidStateStoreException - Exception in org.apache.kafka.streams.errors

Indicates that there was a problem when trying to access a StateStore, i.e, the Store is no longer valid because it is closed or doesn't exist any more due to a rebalance.

InvalidStateStoreException(String) - Constructor for exception org.apache.kafka.streams.errors.InvalidStateStoreException

InvalidStateStoreException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.InvalidStateStoreException

InvalidStateStoreException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.InvalidStateStoreException

isCreatedOrRunning() - Method in enum org.apache.kafka.streams.KafkaStreams.State

isOpen() - Method in interface org.apache.kafka.streams.processor.StateStore

Is this store open for reading and writing

isRunning() - Method in enum org.apache.kafka.streams.KafkaStreams.State

isValidTransition(KafkaStreams.State) - Method in enum org.apache.kafka.streams.KafkaStreams.State

J

join(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed inner equi join with default serializers and deserializers.

join(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows, Serde<K>, Serde<V>, Serde<VO>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed inner equi join.

join(KTable<K, VT>, ValueJoiner<? super V, ? super VT, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with KTable's records using non-windowed inner equi join with default serializers and deserializers.

join(KTable<K, VT>, ValueJoiner<? super V, ? super VT, ? extends VR>, Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with KTable's records using non-windowed inner equi join.

join(GlobalKTable<GK, GV>, KeyValueMapper<? super K, ? super V, ? extends GK>, ValueJoiner<? super V, ? super GV, ? extends RV>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with GlobalKTable's records using non-windowed inner equi join.

join(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable with another KTable's records using non-windowed inner equi join.

join(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, Serde<VR>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable with another KTable's records using non-windowed inner equi join.

join(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable with another KTable's records using non-windowed inner equi join.

JoinWindows - Class in org.apache.kafka.streams.kstream

The window specifications used for joins.

K

KafkaClientSupplier - Interface in org.apache.kafka.streams

KafkaClientSupplier can be used to provide custom Kafka clients to a KafkaStreams instance.

KafkaStreams - Class in org.apache.kafka.streams

A Kafka client that allows for performing continuous computation on input coming from one or more input topics and sends output to zero, one, or more output topics.

KafkaStreams(TopologyBuilder, Properties) - Constructor for class org.apache.kafka.streams.KafkaStreams

Create a KafkaStreams instance.

KafkaStreams(TopologyBuilder, StreamsConfig) - Constructor for class org.apache.kafka.streams.KafkaStreams

Create a KafkaStreams instance.

KafkaStreams(TopologyBuilder, StreamsConfig, KafkaClientSupplier) - Constructor for class org.apache.kafka.streams.KafkaStreams

Create a KafkaStreams instance.

KafkaStreams.State - Enum in org.apache.kafka.streams

Kafka Streams states are the possible state that a Kafka Streams instance can be in.

KafkaStreams.StateListener - Interface in org.apache.kafka.streams

Listen to KafkaStreams.State change events.

key - Variable in class org.apache.kafka.streams.KeyValue

The key of the key-value pair.

key() - Method in class org.apache.kafka.streams.kstream.Windowed

Return the key of the window.

KEY_SERDE_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

Deprecated.

Use StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG instead.

keyDeserializer() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the key deserializer.

keyFrom(byte[]) - Method in class org.apache.kafka.streams.state.StateSerdes

Deserialize the key from raw bytes.

keySerde() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the default key serde

keySerde() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the key serde.

keySerde() - Method in class org.apache.kafka.streams.StreamsConfig

Deprecated.

keySerializer() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the key serializer.

KeyValue<K,V> - Class in org.apache.kafka.streams

A key-value pair defined for a single Kafka Streams record.

KeyValue(K, V) - Constructor for class org.apache.kafka.streams.KeyValue

Create a new key-value pair.

KeyValueIterator<K,V> - Interface in org.apache.kafka.streams.state

Iterator interface of KeyValue.

KeyValueMapper<K,V,VR> - Interface in org.apache.kafka.streams.kstream

The KeyValueMapper interface for mapping a key-value pair to a new value of arbitrary type.

KeyValueStore<K,V> - Interface in org.apache.kafka.streams.state

A key-value store that supports put/get/delete and range queries.

keyValueStore() - Static method in class org.apache.kafka.streams.state.QueryableStoreTypes

A QueryableStoreType that accepts ReadOnlyKeyValueStore

KGroupedStream<K,V> - Interface in org.apache.kafka.streams.kstream

KGroupedStream is an abstraction of a grouped record stream of KeyValue pairs.

KGroupedTable<K,V> - Interface in org.apache.kafka.streams.kstream

KGroupedTable is an abstraction of a re-grouped changelog stream from a primary-keyed table, usually on a different grouping key than the original primary key.

KStream<K,V> - Interface in org.apache.kafka.streams.kstream

KStream is an abstraction of a record stream of KeyValue pairs, i.e., each record is an independent entity/event in the real world.

KStreamBuilder - Class in org.apache.kafka.streams.kstream

KStreamBuilder provide the high-level Kafka Streams DSL to specify a Kafka Streams topology.

KStreamBuilder() - Constructor for class org.apache.kafka.streams.kstream.KStreamBuilder

KTable<K,V> - Interface in org.apache.kafka.streams.kstream

KTable is an abstraction of a changelog stream from a primary-keyed table.

L

latestResetTopicsPattern() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Get the Pattern to match all topics requiring to start reading from latest available offset

leftJoin(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed left equi join with default serializers and deserializers.

leftJoin(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows, Serde<K>, Serde<V>, Serde<VO>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed left equi join.

leftJoin(KTable<K, VT>, ValueJoiner<? super V, ? super VT, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with KTable's records using non-windowed left equi join with default serializers and deserializers.

leftJoin(KTable<K, VT>, ValueJoiner<? super V, ? super VT, ? extends VR>, Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with KTable's records using non-windowed left equi join.

leftJoin(GlobalKTable<GK, GV>, KeyValueMapper<? super K, ? super V, ? extends GK>, ValueJoiner<? super V, ? super GV, ? extends RV>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with GlobalKTable's records using non-windowed left equi join.

leftJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed left equi join.

leftJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, Serde<VR>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed left equi join.

leftJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed left equi join.

LockException - Exception in org.apache.kafka.streams.errors

Indicates that the state store directory lock could not be acquired because another thread holds the lock.

LockException(String) - Constructor for exception org.apache.kafka.streams.errors.LockException

LockException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.LockException

LockException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.LockException

LogAndSkipOnInvalidTimestamp - Class in org.apache.kafka.streams.processor

Retrieves embedded metadata timestamps from Kafka messages.

LogAndSkipOnInvalidTimestamp() - Constructor for class org.apache.kafka.streams.processor.LogAndSkipOnInvalidTimestamp

logConfig() - Method in interface org.apache.kafka.streams.processor.StateStoreSupplier

Returns a Map containing any log configs that will be used when creating the changelog for the StateStore

loggingEnabled() - Method in interface org.apache.kafka.streams.processor.StateStoreSupplier

M

main(String[]) - Static method in class org.apache.kafka.streams.StreamsConfig

maintainMs() - Method in class org.apache.kafka.streams.kstream.JoinWindows

Return the window maintain duration (retention time) in milliseconds.

maintainMs() - Method in class org.apache.kafka.streams.kstream.SessionWindows

Return the window maintain duration (retention time) in milliseconds.

maintainMs() - Method in class org.apache.kafka.streams.kstream.TimeWindows

Return the window maintain duration (retention time) in milliseconds.

maintainMs() - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Return the window maintain duration (retention time) in milliseconds.

maintainMs() - Method in class org.apache.kafka.streams.kstream.Windows

Return the window maintain duration (retention time) in milliseconds.

map(KeyValueMapper<? super K, ? super V, ? extends KeyValue<? extends KR, ? extends VR>>) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform each record of the input stream into a new record in the output stream (both key and value type can be altered arbitrarily).

mapValues(ValueMapper<? super V, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform the value of each input record into a new value (with possible new type) of the output record.

mapValues(ValueMapper<? super V, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable by transforming the value of each record in this KTable into a new value (with possible new type)in the new KTable.

mapValues(ValueMapper<? super V, ? extends VR>, Serde<VR>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable by transforming the value of each record in this KTable into a new value (with possible new type)in the new KTable.

mapValues(ValueMapper<? super V, ? extends VR>, Serde<VR>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Create a new KTable by transforming the value of each record in this KTable into a new value (with possible new type)in the new KTable.

maxEntries(int) - Method in interface org.apache.kafka.streams.state.Stores.InMemoryKeyValueFactory

Limits the in-memory key-value store to hold a maximum number of entries.

maxNumPartitions(Cluster, Set<String>) - Method in class org.apache.kafka.streams.processor.DefaultPartitionGrouper

merge(KStream<K, V>...) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a new instance of KStream by merging the given KStreams.

Merger<K,V> - Interface in org.apache.kafka.streams.kstream

The interface for merging aggregate values for SessionWindows with the given key.

METADATA_MAX_AGE_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metadata.max.age.ms

metadataForKey(String, K, Serializer<K>) - Method in class org.apache.kafka.streams.KafkaStreams

Find the currently running KafkaStreams instance (potentially remotely) that use the same application ID as this instance (i.e., all instances that belong to the same Kafka Streams application) and that contain a StateStore with the given storeName and the StateStore contains the given key and return StreamsMetadata for it.

metadataForKey(String, K, StreamPartitioner<? super K, ?>) - Method in class org.apache.kafka.streams.KafkaStreams

Find the currently running KafkaStreams instance (potentially remotely) that use the same application ID as this instance (i.e., all instances that belong to the same Kafka Streams application) and that contain a StateStore with the given storeName and the StateStore contains the given key and return StreamsMetadata for it.

METRIC_REPORTER_CLASSES_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metric.reporters

metrics() - Method in class org.apache.kafka.streams.KafkaStreams

Get read-only handle on global metrics registry.

metrics() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns Metrics instance

metrics() - Method in interface org.apache.kafka.streams.StreamsMetrics

Get read-only handle on global metrics registry.

METRICS_NUM_SAMPLES_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metrics.num.samples

METRICS_RECORDING_LEVEL_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metrics.record.level

METRICS_SAMPLE_WINDOW_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

metrics.sample.window.ms

N

name() - Method in interface org.apache.kafka.streams.processor.StateStore

The name of this store.

name() - Method in interface org.apache.kafka.streams.processor.StateStoreSupplier

Return the name of this state store supplier.

newName(String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

This function is only for internal usage only and should not be called.

newStoreName(String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

This function is only for internal usage only and should not be called.

nodeGroups() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Returns the map of node groups keyed by the topic group id.

NOT_AVAILABLE - Static variable in class org.apache.kafka.streams.state.StreamsMetadata

Sentinel to indicate that the StreamsMetadata is currently unavailable.

NUM_STANDBY_REPLICAS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

num.standby.replicas

NUM_STREAM_THREADS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

num.stream.threads

O

of(long) - Static method in class org.apache.kafka.streams.kstream.JoinWindows

Specifies that records of the same key are joinable if their timestamps are within timeDifferenceMs, i.e., the timestamp of a record from the secondary stream is max timeDifferenceMs earlier or later than the timestamp of the record from the primary stream.

of(long) - Static method in class org.apache.kafka.streams.kstream.TimeWindows

Return a window definition with the given window size, and with the advance interval being equal to the window size.

of() - Static method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Return an unlimited window starting at timestamp zero.

offset() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the offset of the current input record; could be -1 if it is not available (for example, if this method is invoked from the punctuate call)

onChange(KafkaStreams.State, KafkaStreams.State) - Method in interface org.apache.kafka.streams.KafkaStreams.StateListener

Called when state changes.

onInvalidTimestamp(ConsumerRecord<Object, Object>, long, long) - Method in class org.apache.kafka.streams.processor.FailOnInvalidTimestamp

Raises an exception on every call.

onInvalidTimestamp(ConsumerRecord<Object, Object>, long, long) - Method in class org.apache.kafka.streams.processor.LogAndSkipOnInvalidTimestamp

Writes a log WARN message when the extracted timestamp is invalid (negative) but returns the invalid timestamp as-is, which ultimately causes the record to be skipped and not to be processed.

onInvalidTimestamp(ConsumerRecord<Object, Object>, long, long) - Method in class org.apache.kafka.streams.processor.UsePreviousTimeOnInvalidTimestamp

Returns the current stream-time as new timestamp for the record.

org.apache.kafka.streams - package org.apache.kafka.streams

org.apache.kafka.streams.errors - package org.apache.kafka.streams.errors

org.apache.kafka.streams.kstream - package org.apache.kafka.streams.kstream

org.apache.kafka.streams.processor - package org.apache.kafka.streams.processor

org.apache.kafka.streams.state - package org.apache.kafka.streams.state

outerJoin(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed left equi join with default serializers and deserializers.

outerJoin(KStream<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, JoinWindows, Serde<K>, Serde<V>, Serde<VO>) - Method in interface org.apache.kafka.streams.kstream.KStream

Join records of this stream with another KStream's records using windowed left equi join.

outerJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed outer equi join.

outerJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, Serde<VR>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed outer equi join.

outerJoin(KTable<K, VO>, ValueJoiner<? super V, ? super VO, ? extends VR>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Join records of this KTable (left input) with another KTable's (right input) records using non-windowed outer equi join.

overlap(Window) - Method in class org.apache.kafka.streams.kstream.Window

Check if the given window overlaps with this window.

P

pair(K, V) - Static method in class org.apache.kafka.streams.KeyValue

Create a new key-value pair.

parse(String) - Static method in class org.apache.kafka.streams.processor.TaskId

partition() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the partition id of the current input record; could be -1 if it is not available (for example, if this method is invoked from the punctuate call)

partition(K, V, int) - Method in interface org.apache.kafka.streams.processor.StreamPartitioner

Determine the partition number for a record with the given key and value and the current number of partitions.

partition - Variable in class org.apache.kafka.streams.processor.TaskId

The ID of the partition.

PARTITION_GROUPER_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

partition.grouper

PartitionGrouper - Interface in org.apache.kafka.streams.processor

A partition grouper that generates partition groups given the list of topic-partitions.

partitionGroups(Map<Integer, Set<String>>, Cluster) - Method in class org.apache.kafka.streams.processor.DefaultPartitionGrouper

Generate tasks with the assigned topic partitions.

partitionGroups(Map<Integer, Set<String>>, Cluster) - Method in interface org.apache.kafka.streams.processor.PartitionGrouper

Returns a map of task ids to groups of partitions.

peek(ForeachAction<? super K, ? super V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Perform an action on each record of KStream.

peekNextKey() - Method in interface org.apache.kafka.streams.state.KeyValueIterator

Peek at the next key without advancing the iterator

persistent() - Method in interface org.apache.kafka.streams.processor.StateStore

Return if the storage is persistent or not.

persistent() - Method in interface org.apache.kafka.streams.state.Stores.KeyValueFactory

Keep all key-value entries off-heap in a local database, although for durability all entries are recorded in a Kafka topic that can be read to restore the entries if they are lost.

POLL_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

poll.ms

port() - Method in class org.apache.kafka.streams.state.HostInfo

port() - Method in class org.apache.kafka.streams.state.StreamsMetadata

postProcessParsedConfig(Map<String, Object>) - Method in class org.apache.kafka.streams.StreamsConfig

Predicate<K,V> - Interface in org.apache.kafka.streams.kstream

The Predicate interface represents a predicate (boolean-valued function) of a KeyValue pair.

print() - Method in interface org.apache.kafka.streams.kstream.KStream

Print the records of this stream to System.out.

print(String) - Method in interface org.apache.kafka.streams.kstream.KStream

Print the records of this stream to System.out.

print(Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Print the records of this stream to System.out.

print(Serde<K>, Serde<V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream

Print the records of this stream to System.out.

print() - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

Use the Interactive Queries APIs (e.g., KafkaStreams.store(String, QueryableStoreType) followed by ReadOnlyKeyValueStore.all()) to iterate over the keys of a KTable. Alternatively convert to a KStream using toStream() and then use KStream.print() on the result.

print(String) - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

Use the Interactive Queries APIs (e.g., KafkaStreams.store(String, QueryableStoreType) followed by ReadOnlyKeyValueStore.all()) to iterate over the keys of a KTable. Alternatively convert to a KStream using toStream() and then use KStream.print(String) on the result.

print(Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

Use the Interactive Queries APIs (e.g., KafkaStreams.store(String, QueryableStoreType) followed by ReadOnlyKeyValueStore.all()) to iterate over the keys of a KTable. Alternatively convert to a KStream using toStream() and then use KStream.print(Serde, Serde) on the result.

print(Serde<K>, Serde<V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

Use the Interactive Queries APIs (e.g., KafkaStreams.store(String, QueryableStoreType) followed by ReadOnlyKeyValueStore.all()) to iterate over the keys of a KTable. Alternatively convert to a KStream using toStream() and then use KStream.print(Serde, Serde, String) on the result.

PrintForeachAction<K,V> - Class in org.apache.kafka.streams.kstream

PrintForeachAction(PrintWriter, String) - Constructor for class org.apache.kafka.streams.kstream.PrintForeachAction

Print data message with given writer.

process(ProcessorSupplier<? super K, ? super V>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream

Process all records in this stream, one record at a time, by applying a Processor (provided by the given ProcessorSupplier).

process(K, V) - Method in interface org.apache.kafka.streams.processor.Processor

Process the record with the given key and value.

PROCESSING_GUARANTEE_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

cache.max.bytes.buffering

Processor<K,V> - Interface in org.apache.kafka.streams.processor

A processor of key-value pair records.

ProcessorContext - Interface in org.apache.kafka.streams.processor

Processor context interface.

ProcessorStateException - Exception in org.apache.kafka.streams.errors

Indicates a processor state operation (e.g.

ProcessorStateException(String) - Constructor for exception org.apache.kafka.streams.errors.ProcessorStateException

ProcessorStateException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.ProcessorStateException

ProcessorStateException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.ProcessorStateException

ProcessorSupplier<K,V> - Interface in org.apache.kafka.streams.processor

A processor supplier that can create one or more Processor instances.

PRODUCER_PREFIX - Static variable in class org.apache.kafka.streams.StreamsConfig

Prefix used to isolate producer configs from consumer configs.

producerPrefix(String) - Static method in class org.apache.kafka.streams.StreamsConfig

Prefix a property with StreamsConfig.PRODUCER_PREFIX.

punctuate(long) - Method in interface org.apache.kafka.streams.kstream.Transformer

Perform any periodic operations and possibly generate new KeyValue pairs if this processor schedules itself with the context during initialization.

punctuate(long) - Method in interface org.apache.kafka.streams.kstream.ValueTransformer

Perform any periodic operations if this processor schedule itself with the context during initialization.

punctuate(long) - Method in class org.apache.kafka.streams.processor.AbstractProcessor

Perform any periodic operations, if this processor schedule itself with the context during initialization.

punctuate(long) - Method in interface org.apache.kafka.streams.processor.Processor

Perform any periodic operations, if this processor schedule itself with the context during initialization.

put(K, V) - Method in interface org.apache.kafka.streams.state.KeyValueStore

Update the value associated with this key

put(Windowed<K>, AGG) - Method in interface org.apache.kafka.streams.state.SessionStore

Write the aggregated value for the provided key to the store

put(K, V) - Method in interface org.apache.kafka.streams.state.WindowStore

Put a key-value pair with the current wall-clock time as the timestamp into the corresponding window

put(K, V, long) - Method in interface org.apache.kafka.streams.state.WindowStore

Put a key-value pair with the given timestamp into the corresponding window

putAll(List<KeyValue<K, V>>) - Method in interface org.apache.kafka.streams.state.KeyValueStore

Update all the given key/value pairs

putIfAbsent(K, V) - Method in interface org.apache.kafka.streams.state.KeyValueStore

Update the value associated with this key, unless a value is already associated with the key

Q

queryableStoreName() - Method in interface org.apache.kafka.streams.kstream.KTable

Get the name of the local state store used that can be used to query this KTable.

QueryableStoreType<T> - Interface in org.apache.kafka.streams.state

Used to enable querying of custom StateStore types via the KafkaStreams API.

QueryableStoreTypes - Class in org.apache.kafka.streams.state

Provides access to the QueryableStoreTypes provided with KafkaStreams.

QueryableStoreTypes() - Constructor for class org.apache.kafka.streams.state.QueryableStoreTypes

R

range(K, K) - Method in interface org.apache.kafka.streams.state.ReadOnlyKeyValueStore

Get an iterator over a given range of keys.

rawKey(K) - Method in class org.apache.kafka.streams.state.StateSerdes

Serialize the given key.

rawValue(V) - Method in class org.apache.kafka.streams.state.StateSerdes

Serialize the given value.

readFrom(DataInputStream) - Static method in class org.apache.kafka.streams.processor.TaskId

readFrom(ByteBuffer) - Static method in class org.apache.kafka.streams.processor.TaskId

ReadOnlyKeyValueStore<K,V> - Interface in org.apache.kafka.streams.state

A key value store that only supports read operations.

ReadOnlySessionStore<K,AGG> - Interface in org.apache.kafka.streams.state

A session store that only supports read operations.

ReadOnlyWindowStore<K,V> - Interface in org.apache.kafka.streams.state

A window store that only supports read operations Implementations should be thread-safe as concurrent reads and writes are expected.

RECEIVE_BUFFER_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

receive.buffer.bytes

RECONNECT_BACKOFF_MAX_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

reconnect.backoff.max

RECONNECT_BACKOFF_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

reconnect.backoff.ms

recordLatency(Sensor, long, long) - Method in interface org.apache.kafka.streams.StreamsMetrics

Record the given latency value of the sensor.

recordThroughput(Sensor, long) - Method in interface org.apache.kafka.streams.StreamsMetrics

Record the throughput value of a sensor.

reduce(Reducer<V>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine the values of records in this stream by the grouped key.

reduce(Reducer<V>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine the values of records in this stream by the grouped key.

reduce(Reducer<V>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine the value of records in this stream by the grouped key.

reduce(Reducer<V>, Windows<W>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine the number of records in this stream by the grouped key and the defined windows.

reduce(Reducer<V>, Windows<W>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine the number of records in this stream by the grouped key and the defined windows.

reduce(Reducer<V>, Windows<W>, StateStoreSupplier<WindowStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine the values of records in this stream by the grouped key and the defined windows.

reduce(Reducer<V>, SessionWindows, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine values of this stream by the grouped key into SessionWindows.

reduce(Reducer<V>, SessionWindows) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine values of this stream by the grouped key into SessionWindows.

reduce(Reducer<V>, SessionWindows, StateStoreSupplier<SessionStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedStream

Combine values of this stream by the grouped key into SessionWindows.

reduce(Reducer<V>, Reducer<V>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Combine the value of records of the original KTable that got mapped to the same key into a new instance of KTable.

reduce(Reducer<V>, Reducer<V>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Combine the value of records of the original KTable that got mapped to the same key into a new instance of KTable.

reduce(Reducer<V>, Reducer<V>, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable

Combine the value of records of the original KTable that got mapped to the same key into a new instance of KTable.

Reducer<V> - Interface in org.apache.kafka.streams.kstream

The Reducer interface for combining two values of the same type into a new value.

register(StateStore, boolean, StateRestoreCallback) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Registers and possibly restores the specified storage engine.

remove(Windowed<K>) - Method in interface org.apache.kafka.streams.state.SessionStore

Remove the session aggregated with provided Windowed key from the store

removeSensor(Sensor) - Method in interface org.apache.kafka.streams.StreamsMetrics

Remove a sensor.

repartitionSourceTopics - Variable in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo

REPLICATION_FACTOR_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

replication.factor

REQUEST_TIMEOUT_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

request.timeout.ms

restore(byte[], byte[]) - Method in interface org.apache.kafka.streams.processor.StateRestoreCallback

RETRY_BACKOFF_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

retry.backoff.ms

ROCKSDB_CONFIG_SETTER_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

rocksdb.config.setter

RocksDBConfigSetter - Interface in org.apache.kafka.streams.state

An interface to that allows developers to customize the RocksDB settings for a given Store.

S

schedule(long) - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Schedules a periodic operation for processors.

SECURITY_PROTOCOL_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

security.protocol

segments - Variable in class org.apache.kafka.streams.kstream.Windows

segments(int) - Method in class org.apache.kafka.streams.kstream.Windows

Set the number of segments to be used for rolling the window store.

selectKey(KeyValueMapper<? super K, ? super V, ? extends KR>) - Method in interface org.apache.kafka.streams.kstream.KStream

Set a new key (with possibly new type) for each input record.

SEND_BUFFER_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

send.buffer.bytes

sessionStore() - Static method in class org.apache.kafka.streams.state.QueryableStoreTypes

A QueryableStoreType that accepts ReadOnlySessionStore

SessionStore<K,AGG> - Interface in org.apache.kafka.streams.state

Interface for storing the aggregated values of sessions

sessionWindowed(long) - Method in interface org.apache.kafka.streams.state.Stores.PersistentKeyValueFactory

Set the persistent store as a SessionStore for use with SessionWindows

SessionWindows - Class in org.apache.kafka.streams.kstream

A session based window specification used for aggregating events into sessions.

setApplicationId(String) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Set the applicationId to be used for auto-generated internal topics.

setConfig(String, Options, Map<String, Object>) - Method in interface org.apache.kafka.streams.state.RocksDBConfigSetter

Set the rocks db options for the provided storeName.

setStateListener(KafkaStreams.StateListener) - Method in class org.apache.kafka.streams.KafkaStreams

An app can set a single KafkaStreams.StateListener so that the app is notified when state changes.

setUncaughtExceptionHandler(Thread.UncaughtExceptionHandler) - Method in class org.apache.kafka.streams.KafkaStreams

Set the handler invoked when a internal thread abruptly terminates due to an uncaught exception.

sinkTopics - Variable in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo

size() - Method in class org.apache.kafka.streams.kstream.JoinWindows

size() - Method in class org.apache.kafka.streams.kstream.TimeWindows

size() - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Return the size of the specified windows in milliseconds.

size() - Method in class org.apache.kafka.streams.kstream.Windows

Return the size of the specified windows in milliseconds.

sizeMs - Variable in class org.apache.kafka.streams.kstream.TimeWindows

The size of the windows in milliseconds.

sourceTopicPattern() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

sourceTopics - Variable in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo

start() - Method in class org.apache.kafka.streams.KafkaStreams

Start the KafkaStreams instance by starting all its threads.

start() - Method in class org.apache.kafka.streams.kstream.Window

Return the start timestamp of this window.

startMs - Variable in class org.apache.kafka.streams.kstream.UnlimitedWindows

The start timestamp of the window.

startMs - Variable in class org.apache.kafka.streams.kstream.Window

startOn(long) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Return a new unlimited window for the specified start timestamp.

state() - Method in class org.apache.kafka.streams.KafkaStreams

Return the current KafkaStreams.State of this KafkaStreams instance.

STATE_CLEANUP_DELAY_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

state.cleanup.delay

STATE_DIR_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

state.dir

stateChangelogTopics - Variable in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo

stateDir() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the state directory for the partition.

StateRestoreCallback - Interface in org.apache.kafka.streams.processor

Restoration logic for log-backed state stores upon restart, it takes one record at a time from the logs to apply to the restoring state.

StateSerdes<K,V> - Class in org.apache.kafka.streams.state

Factory for creating serializers / deserializers for state stores in Kafka Streams.

StateSerdes(String, Serde<K>, Serde<V>) - Constructor for class org.apache.kafka.streams.state.StateSerdes

Create a context for serialization using the specified serializers and deserializers which must match the key and value types used as parameters for this object; the state changelog topic is provided to bind this serde factory to, so that future calls for serialize / deserialize do not need to provide the topic name any more.

StateStore - Interface in org.apache.kafka.streams.processor

A storage engine for managing state maintained by a stream processor.

stateStoreNames() - Method in class org.apache.kafka.streams.state.StreamsMetadata

stateStoreNameToSourceTopics() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

StateStoreSupplier<T extends StateStore> - Interface in org.apache.kafka.streams.processor

A state store supplier which can create one or more StateStore instances.

store(String, QueryableStoreType<T>) - Method in class org.apache.kafka.streams.KafkaStreams

Get a facade wrapping the local StateStore instances with the provided storeName if the Store's type is accepted by the provided queryableStoreType.

Stores - Class in org.apache.kafka.streams.state

Factory for creating state stores in Kafka Streams.

Stores() - Constructor for class org.apache.kafka.streams.state.Stores

Stores.InMemoryKeyValueFactory<K,V> - Interface in org.apache.kafka.streams.state

The interface used to create in-memory key-value stores.

Stores.KeyValueFactory<K,V> - Interface in org.apache.kafka.streams.state

Stores.PersistentKeyValueFactory<K,V> - Interface in org.apache.kafka.streams.state

The interface used to create off-heap key-value stores that use a local database.

Stores.StoreFactory - Class in org.apache.kafka.streams.state

Stores.StoreFactory() - Constructor for class org.apache.kafka.streams.state.Stores.StoreFactory

Stores.ValueFactory<K> - Class in org.apache.kafka.streams.state

The factory for creating off-heap key-value stores.

Stores.ValueFactory() - Constructor for class org.apache.kafka.streams.state.Stores.ValueFactory

stream(String...) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topics.

stream(TopologyBuilder.AutoOffsetReset, String...) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topics.

stream(Pattern) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topic pattern.

stream(TopologyBuilder.AutoOffsetReset, Pattern) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topic pattern.

stream(Serde<K>, Serde<V>, String...) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topics.

stream(TopologyBuilder.AutoOffsetReset, Serde<K>, Serde<V>, String...) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topics.

stream(TimestampExtractor, Serde<K>, Serde<V>, String...) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topics.

stream(TopologyBuilder.AutoOffsetReset, TimestampExtractor, Serde<K>, Serde<V>, String...) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topics.

stream(Serde<K>, Serde<V>, Pattern) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topic pattern.

stream(TopologyBuilder.AutoOffsetReset, Serde<K>, Serde<V>, Pattern) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topic pattern.

stream(TimestampExtractor, Serde<K>, Serde<V>, Pattern) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topic pattern.

stream(TopologyBuilder.AutoOffsetReset, TimestampExtractor, Serde<K>, Serde<V>, Pattern) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KStream from the specified topic pattern.

STREAM_THREAD_INSTANCE - Static variable in class org.apache.kafka.streams.StreamsConfig.InternalConfig

StreamPartitioner<K,V> - Interface in org.apache.kafka.streams.processor

Determine how records are distributed among the partitions in a Kafka topic.

StreamsConfig - Class in org.apache.kafka.streams

Configuration for a KafkaStreams instance.

StreamsConfig(Map<?, ?>) - Constructor for class org.apache.kafka.streams.StreamsConfig

Create a new StreamsConfig using the given properties.

StreamsConfig.InternalConfig - Class in org.apache.kafka.streams

StreamsConfig.InternalConfig() - Constructor for class org.apache.kafka.streams.StreamsConfig.InternalConfig

StreamsException - Exception in org.apache.kafka.streams.errors

StreamsException is the top-level exception type generated by Kafka Streams.

StreamsException(String) - Constructor for exception org.apache.kafka.streams.errors.StreamsException

StreamsException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.StreamsException

StreamsException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.StreamsException

StreamsMetadata - Class in org.apache.kafka.streams.state

Represents the state of an instance (process) in a KafkaStreams application.

StreamsMetadata(HostInfo, Set<String>, Set<TopicPartition>) - Constructor for class org.apache.kafka.streams.state.StreamsMetadata

StreamsMetrics - Interface in org.apache.kafka.streams

The Kafka Streams metrics interface for adding metric sensors and collecting metric values.

subscriptionUpdates() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

T

table(String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(String, StateStoreSupplier<KeyValueStore>) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TopologyBuilder.AutoOffsetReset, String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TopologyBuilder.AutoOffsetReset, String, StateStoreSupplier<KeyValueStore>) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TopologyBuilder.AutoOffsetReset, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TimestampExtractor, String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TopologyBuilder.AutoOffsetReset, TimestampExtractor, String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(Serde<K>, Serde<V>, String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(Serde<K>, Serde<V>, String, StateStoreSupplier<KeyValueStore>) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(Serde<K>, Serde<V>, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TopologyBuilder.AutoOffsetReset, Serde<K>, Serde<V>, String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TimestampExtractor, Serde<K>, Serde<V>, String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TopologyBuilder.AutoOffsetReset, TimestampExtractor, Serde<K>, Serde<V>, String, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TopologyBuilder.AutoOffsetReset, Serde<K>, Serde<V>, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

table(TopologyBuilder.AutoOffsetReset, TimestampExtractor, Serde<K>, Serde<V>, String, StateStoreSupplier<KeyValueStore>) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder

Create a KTable for the specified topic.

TaskAssignmentException - Exception in org.apache.kafka.streams.errors

Indicates a run time error incurred while trying to assign stream tasks to threads.

TaskAssignmentException(String) - Constructor for exception org.apache.kafka.streams.errors.TaskAssignmentException

TaskAssignmentException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.TaskAssignmentException

TaskAssignmentException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.TaskAssignmentException

taskId() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the task id

TaskId - Class in org.apache.kafka.streams.processor

The task ID representation composed as topic group ID plus the assigned partition ID.

TaskId(int, int) - Constructor for class org.apache.kafka.streams.processor.TaskId

TaskIdFormatException - Exception in org.apache.kafka.streams.errors

Indicates a run time error incurred while trying parse the task id from the read string.

TaskIdFormatException(String) - Constructor for exception org.apache.kafka.streams.errors.TaskIdFormatException

TaskIdFormatException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.TaskIdFormatException

TaskIdFormatException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.TaskIdFormatException

test(K, V) - Method in interface org.apache.kafka.streams.kstream.Predicate

Test if the record with the given key and value satisfies the predicate.

through(String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic and creates a new KStream from the topic using default serializers and deserializers and producer's DefaultPartitioner.

through(StreamPartitioner<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic and creates a new KStream from the topic using default serializers and deserializers and a customizable StreamPartitioner to determine the distribution of records to partitions.

through(Serde<K>, Serde<V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic, and creates a new KStream from the topic.

through(Serde<K>, Serde<V>, StreamPartitioner<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic and creates a new KStream from the topic using a customizable StreamPartitioner to determine the distribution of records to partitions.

through(String, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic using default serializers and deserializers and producer's DefaultPartitioner.

through(String, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic using default serializers and deserializers and producer's DefaultPartitioner.

through(String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic using default serializers and deserializers and producer's DefaultPartitioner.

through(StreamPartitioner<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic using default serializers and deserializers and a customizable StreamPartitioner to determine the distribution of records to partitions.

through(StreamPartitioner<? super K, ? super V>, String, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic using default serializers and deserializers and a customizable StreamPartitioner to determine the distribution of records to partitions.

through(StreamPartitioner<? super K, ? super V>, String, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic using default serializers and deserializers and a customizable StreamPartitioner to determine the distribution of records to partitions.

through(Serde<K>, Serde<V>, String, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic.

through(Serde<K>, Serde<V>, String, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic.

through(Serde<K>, Serde<V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic.

through(Serde<K>, Serde<V>, StreamPartitioner<? super K, ? super V>, String, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic using a customizable StreamPartitioner to determine the distribution of records to partitions.

through(Serde<K>, Serde<V>, StreamPartitioner<? super K, ? super V>, String, StateStoreSupplier<KeyValueStore>) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic using a customizable StreamPartitioner to determine the distribution of records to partitions.

through(Serde<K>, Serde<V>, StreamPartitioner<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic and creates a new KTable from the topic using a customizable StreamPartitioner to determine the distribution of records to partitions.

timestamp() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the current timestamp.

TIMESTAMP_EXTRACTOR_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

Deprecated.

Use StreamsConfig.DEFAULT_TIMESTAMP_EXTRACTOR_CLASS_CONFIG instead.

TimestampExtractor - Interface in org.apache.kafka.streams.processor

An interface that allows the Kafka Streams framework to extract a timestamp from an instance of ConsumerRecord.

TimeWindows - Class in org.apache.kafka.streams.kstream

The fixed-size time-based window specifications used for aggregations.

to(String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic using default serializers specified in the config and producer's DefaultPartitioner.

to(StreamPartitioner<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic using default serializers specified in the config and a customizable StreamPartitioner to determine the distribution of records to partitions.

to(Serde<K>, Serde<V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic.

to(Serde<K>, Serde<V>, StreamPartitioner<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream

Materialize this stream to a topic using a customizable StreamPartitioner to determine the distribution of records to partitions.

to(String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic using default serializers and deserializers and producer's DefaultPartitioner.

to(StreamPartitioner<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic using default serializers and deserializers and a customizable StreamPartitioner to determine the distribution of records to partitions.

to(Serde<K>, Serde<V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic.

to(Serde<K>, Serde<V>, StreamPartitioner<? super K, ? super V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Materialize this changelog stream to a topic using a customizable StreamPartitioner to determine the distribution of records to partitions.

topic() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the topic name of the current input record; could be null if it is not available (for example, if this method is invoked from the punctuate call)

topic() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the topic.

topicGroupId - Variable in class org.apache.kafka.streams.processor.TaskId

The ID of the topic group.

topicGroups() - Method in class org.apache.kafka.streams.processor.TopologyBuilder

Returns the map of topic groups keyed by the group id.

topicPartitions() - Method in class org.apache.kafka.streams.state.StreamsMetadata

TopologyBuilder - Class in org.apache.kafka.streams.processor

A component that is used to build a ProcessorTopology.

TopologyBuilder() - Constructor for class org.apache.kafka.streams.processor.TopologyBuilder

Create a new builder.

TopologyBuilder.AutoOffsetReset - Enum in org.apache.kafka.streams.processor

Enum used to define auto offset reset policy when creating KStream or KTable

TopologyBuilder.TopicsInfo - Class in org.apache.kafka.streams.processor

TopologyBuilderException - Exception in org.apache.kafka.streams.errors

Indicates a pre-run time error incurred while parsing the builder to construct the processor topology.

TopologyBuilderException(String) - Constructor for exception org.apache.kafka.streams.errors.TopologyBuilderException

TopologyBuilderException(String, Throwable) - Constructor for exception org.apache.kafka.streams.errors.TopologyBuilderException

TopologyBuilderException(Throwable) - Constructor for exception org.apache.kafka.streams.errors.TopologyBuilderException

toStream() - Method in interface org.apache.kafka.streams.kstream.KTable

Convert this changelog stream to a KStream.

toStream(KeyValueMapper<? super K, ? super V, ? extends KR>) - Method in interface org.apache.kafka.streams.kstream.KTable

Convert this changelog stream to a KStream using the given KeyValueMapper to select the new key.

toString() - Method in class org.apache.kafka.streams.KafkaStreams

Produce a string representation containing useful information about this KafkaStream instance such as thread IDs, task IDs, and a representation of the topology DAG including StateStores (cf.

toString(String) - Method in class org.apache.kafka.streams.KafkaStreams

Produce a string representation containing useful information about this KafkaStream instance such as thread IDs, task IDs, and a representation of the topology DAG including StateStores (cf.

toString() - Method in class org.apache.kafka.streams.KeyValue

toString() - Method in class org.apache.kafka.streams.kstream.Window

toString() - Method in class org.apache.kafka.streams.kstream.Windowed

toString() - Method in class org.apache.kafka.streams.processor.TaskId

toString() - Method in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo

toString() - Method in class org.apache.kafka.streams.state.HostInfo

toString() - Method in class org.apache.kafka.streams.state.StreamsMetadata

transform(TransformerSupplier<? super K, ? super V, KeyValue<K1, V1>>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform each record of the input stream into zero or more records in the output stream (both key and value type can be altered arbitrarily).

transform(K, V) - Method in interface org.apache.kafka.streams.kstream.Transformer

Transform the record with the given key and value.

transform(V) - Method in interface org.apache.kafka.streams.kstream.ValueTransformer

Transform the given value to a new value.

Transformer<K,V,R> - Interface in org.apache.kafka.streams.kstream

The Transformer interface for stateful mapping of an input record to zero, one, or multiple new output records (both key and value type can be altered arbitrarily).

TransformerSupplier<K,V,R> - Interface in org.apache.kafka.streams.kstream

A TransformerSupplier interface which can create one or more Transformer instances.

transformValues(ValueTransformerSupplier<? super V, ? extends VR>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream

Transform the value of each input record into a new value (with possible new type) of the output record.

U

UnlimitedWindows - Class in org.apache.kafka.streams.kstream

The unlimited window specifications used for aggregations.

until(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows

until(long) - Method in class org.apache.kafka.streams.kstream.SessionWindows

Set the window maintain duration (retention time) in milliseconds.

until(long) - Method in class org.apache.kafka.streams.kstream.TimeWindows

until(long) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

Throws an IllegalArgumentException because the retention time for unlimited windows is always infinite and cannot be changed.

until(long) - Method in class org.apache.kafka.streams.kstream.Windows

Set the window maintain duration (retention time) in milliseconds.

updateSubscriptions(StreamPartitionAssignor.SubscriptionUpdates, String) - Method in class org.apache.kafka.streams.processor.TopologyBuilder

UsePreviousTimeOnInvalidTimestamp - Class in org.apache.kafka.streams.processor

Retrieves embedded metadata timestamps from Kafka messages.

UsePreviousTimeOnInvalidTimestamp() - Constructor for class org.apache.kafka.streams.processor.UsePreviousTimeOnInvalidTimestamp

V

value - Variable in class org.apache.kafka.streams.KeyValue

The value of the key-value pair.

VALUE_SERDE_CLASS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

Deprecated.

Use StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG instead.

valueDeserializer() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the value deserializer.

valueFrom(byte[]) - Method in class org.apache.kafka.streams.state.StateSerdes

Deserialize the value from raw bytes.

ValueJoiner<V1,V2,VR> - Interface in org.apache.kafka.streams.kstream

The ValueJoiner interface for joining two values into a new value of arbitrary type.

ValueMapper<V,VR> - Interface in org.apache.kafka.streams.kstream

The ValueMapper interface for mapping a value to a new value of arbitrary type.

valueOf(String) - Static method in enum org.apache.kafka.streams.KafkaStreams.State

Returns the enum constant of this type with the specified name.

valueOf(String) - Static method in enum org.apache.kafka.streams.processor.TopologyBuilder.AutoOffsetReset

Returns the enum constant of this type with the specified name.

values() - Static method in enum org.apache.kafka.streams.KafkaStreams.State

Returns an array containing the constants of this enum type, in the order they are declared.

values() - Static method in enum org.apache.kafka.streams.processor.TopologyBuilder.AutoOffsetReset

Returns an array containing the constants of this enum type, in the order they are declared.

valueSerde() - Method in interface org.apache.kafka.streams.processor.ProcessorContext

Returns the default value serde

valueSerde() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the value serde.

valueSerde() - Method in class org.apache.kafka.streams.StreamsConfig

Deprecated.

valueSerializer() - Method in class org.apache.kafka.streams.state.StateSerdes

Return the value serializer.

ValueTransformer<V,VR> - Interface in org.apache.kafka.streams.kstream

The ValueTransformer interface for stateful mapping of a value to a new value (with possible new type).

ValueTransformerSupplier<V,VR> - Interface in org.apache.kafka.streams.kstream

A ValueTransformerSupplier interface which can create one or more ValueTransformer instances.

W

WallclockTimestampExtractor - Class in org.apache.kafka.streams.processor

Retrieves current wall clock timestamps as System.currentTimeMillis().

WallclockTimestampExtractor() - Constructor for class org.apache.kafka.streams.processor.WallclockTimestampExtractor

Window - Class in org.apache.kafka.streams.kstream

A single window instance, defined by its start and end timestamp.

Window(long, long) - Constructor for class org.apache.kafka.streams.kstream.Window

Create a new window for the given start and end time.

window() - Method in class org.apache.kafka.streams.kstream.Windowed

Return the window containing the values associated with this key.

WINDOW_STORE_CHANGE_LOG_ADDITIONAL_RETENTION_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

windowstore.changelog.additional.retention.ms

Windowed<K> - Class in org.apache.kafka.streams.kstream

The result key type of a windowed stream aggregation.

Windowed(K, Window) - Constructor for class org.apache.kafka.streams.kstream.Windowed

windowed(long, long, int, boolean) - Method in interface org.apache.kafka.streams.state.Stores.PersistentKeyValueFactory

Set the persistent store as a windowed key-value store

Windows<W extends Window> - Class in org.apache.kafka.streams.kstream

The window specification interface for fixed size windows that is used to define window boundaries and window maintain duration.

Windows() - Constructor for class org.apache.kafka.streams.kstream.Windows

windowsFor(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows

Not supported by JoinWindows.

windowsFor(long) - Method in class org.apache.kafka.streams.kstream.TimeWindows

windowsFor(long) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows

windowsFor(long) - Method in class org.apache.kafka.streams.kstream.Windows

Create all windows that contain the provided timestamp, indexed by non-negative window start timestamps.

windowStore() - Static method in class org.apache.kafka.streams.state.QueryableStoreTypes

A QueryableStoreType that accepts ReadOnlyWindowStore

WindowStore<K,V> - Interface in org.apache.kafka.streams.state

A windowed store interface extending StateStore.

WindowStoreIterator<V> - Interface in org.apache.kafka.streams.state

Iterator interface of KeyValue with key typed Long used for ReadOnlyWindowStore.fetch(Object, long, long).

with(long) - Static method in class org.apache.kafka.streams.kstream.SessionWindows

Create a new window specification with the specified inactivity gap in milliseconds.

withBuiltinTypes(String, Class<K>, Class<V>) - Static method in class org.apache.kafka.streams.state.StateSerdes

Create a new instance of StateSerdes for the given state name and key-/value-type classes.

withByteArrayKeys() - Method in class org.apache.kafka.streams.state.Stores.StoreFactory

Begin to create a KeyValueStore by specifying the keys will be byte arrays.

withByteArrayValues() - Method in class org.apache.kafka.streams.state.Stores.ValueFactory

Use byte arrays for values.

withByteBufferKeys() - Method in class org.apache.kafka.streams.state.Stores.StoreFactory

Begin to create a KeyValueStore by specifying the keys will be ByteBuffer.

withByteBufferValues() - Method in class org.apache.kafka.streams.state.Stores.ValueFactory

Use ByteBuffer for values.

withDoubleKeys() - Method in class org.apache.kafka.streams.state.Stores.StoreFactory

Begin to create a KeyValueStore by specifying the keys will be Doubles.

withDoubleValues() - Method in class org.apache.kafka.streams.state.Stores.ValueFactory

Use Double values.

withIntegerKeys() - Method in class org.apache.kafka.streams.state.Stores.StoreFactory

Begin to create a KeyValueStore by specifying the keys will be Integers.

withIntegerValues() - Method in class org.apache.kafka.streams.state.Stores.ValueFactory

Use Integer values.

withKeys(Class<K>) - Method in class org.apache.kafka.streams.state.Stores.StoreFactory

Begin to create a KeyValueStore by specifying the keys.

withKeys(Serde<K>) - Method in class org.apache.kafka.streams.state.Stores.StoreFactory

Begin to create a KeyValueStore by specifying the serializer and deserializer for the keys.

withLongKeys() - Method in class org.apache.kafka.streams.state.Stores.StoreFactory

Begin to create a KeyValueStore by specifying the keys will be Longs.

withLongValues() - Method in class org.apache.kafka.streams.state.Stores.ValueFactory

Use Long values.

withStringKeys() - Method in class org.apache.kafka.streams.state.Stores.StoreFactory

Begin to create a KeyValueStore by specifying the keys will be Strings.

withStringValues() - Method in class org.apache.kafka.streams.state.Stores.ValueFactory

Use String values.

withValues(Class<V>) - Method in class org.apache.kafka.streams.state.Stores.ValueFactory

Use values of the specified type.

withValues(Serde<V>) - Method in class org.apache.kafka.streams.state.Stores.ValueFactory

Use the specified serializer and deserializer for the values.

writeAsText(String) - Method in interface org.apache.kafka.streams.kstream.KStream

Write the records of this stream to a file at the given path.

writeAsText(String, String) - Method in interface org.apache.kafka.streams.kstream.KStream

Write the records of this stream to a file at the given path.

writeAsText(String, Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Write the records of this stream to a file at the given path.

writeAsText(String, String, Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KStream

Write the records of this stream to a file at the given path.

writeAsText(String) - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

Use the Interactive Queries APIs (e.g., KafkaStreams.store(String, QueryableStoreType) followed by ReadOnlyKeyValueStore.all()) to iterate over the keys of a KTable. Alternatively convert to a KStream using toStream() and then use KStream.writeAsText(String)} on the result.

writeAsText(String, String) - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

Use the Interactive Queries APIs (e.g., KafkaStreams.store(String, QueryableStoreType) followed by ReadOnlyKeyValueStore.all()) to iterate over the keys of a KTable. Alternatively convert to a KStream using toStream() and then use KStream.writeAsText(String, String)} on the result.

writeAsText(String, Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

Use the Interactive Queries APIs (e.g., KafkaStreams.store(String, QueryableStoreType) followed by ReadOnlyKeyValueStore.all()) to iterate over the keys of a KTable. Alternatively convert to a KStream using toStream() and then use KStream.writeAsText(String, Serde, Serde)} on the result.

writeAsText(String, String, Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KTable

Deprecated.

Use the Interactive Queries APIs (e.g., KafkaStreams.store(String, QueryableStoreType) followed by ReadOnlyKeyValueStore.all()) to iterate over the keys of a KTable. Alternatively convert to a KStream using toStream() and then use KStream.writeAsText(String, String, Serde, Serde)} on the result.

writeTo(DataOutputStream) - Method in class org.apache.kafka.streams.processor.TaskId

writeTo(ByteBuffer) - Method in class org.apache.kafka.streams.processor.TaskId

Z

ZOOKEEPER_CONNECT_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig

Deprecated.

Kakfa Streams does not use Zookeeper anymore and this parameter will be ignored.

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