Index (streams 0.10.0.0 API)

A B C D E F G H I J K L M N O P 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
addInternalTopic(String) - Method in class org.apache.kafka.streams.processor.TopologyBuilder: Adds an internal topic
addLatencySensor(String, String, String, String...) - Method in interface org.apache.kafka.streams.StreamsMetrics
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.
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<K, 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 forwards 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.
addStateStore(StateStoreSupplier, boolean, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder: Adds a state store
addStateStore(StateStoreSupplier, String...) - Method in class org.apache.kafka.streams.processor.TopologyBuilder: Adds a state store
advance - Variable in class org.apache.kafka.streams.kstream.TimeWindows: The size of the window's advance interval, i.e.
advanceBy(long) - Method in class org.apache.kafka.streams.kstream.TimeWindows: Returns 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.
after - Variable in class org.apache.kafka.streams.kstream.JoinWindows: Maximum time difference for tuples that are after the join tuple.
after(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows: Specifies that records of the same key are joinable if their timestamps are within the join window interval, and if the timestamp of a record from the secondary stream is later than or equal to the timestamp of a record from the first stream.
aggregate(Initializer<T>, Aggregator<K, V, T>, Aggregator<K, V, T>, Serde<T>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable: Aggregate updating values of this stream by the selected key into a new instance of KTable.
aggregate(Initializer<T>, Aggregator<K, V, T>, Aggregator<K, V, T>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable: Aggregate updating values of this stream by the selected key into a new instance of KTable using default serializers and deserializers.
aggregateByKey(Initializer<T>, Aggregator<K, V, T>, Windows<W>, Serde<K>, Serde<T>) - Method in interface org.apache.kafka.streams.kstream.KStream: Aggregate values of this stream by key on a window basis into a new instance of windowed KTable.
aggregateByKey(Initializer<T>, Aggregator<K, V, T>, Windows<W>) - Method in interface org.apache.kafka.streams.kstream.KStream: Aggregate values of this stream by key on a window basis into a new instance of windowed KTable with default serializers and deserializers.
aggregateByKey(Initializer<T>, Aggregator<K, V, T>, Serde<K>, Serde<T>, String) - Method in interface org.apache.kafka.streams.kstream.KStream: Aggregate values of this stream by key into a new instance of ever-updating KTable.
aggregateByKey(Initializer<T>, Aggregator<K, V, T>, String) - Method in interface org.apache.kafka.streams.kstream.KStream: Aggregate values of this stream by key into a new instance of ever-updating KTable with default serializers and deserializers.
Aggregator<K,V,T> - 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.KeyValueStore: Return an iterator over all keys in the database.
APPLICATION_ID_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig: application.id
APPLICATION_ID_DOC - Static variable in class org.apache.kafka.streams.StreamsConfig
applicationId() - Method in interface org.apache.kafka.streams.processor.ProcessorContext: Returns the application id
apply(K, V, T) - 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(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(V1) - Method in interface org.apache.kafka.streams.kstream.ValueMapper: Map the given value to a new value.

B

before - Variable in class org.apache.kafka.streams.kstream.JoinWindows: Maximum time difference for tuples that are before the join tuple.
before(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows: Specifies that records of the same key are joinable if their timestamps are within the join window interval, and if the timestamp of a record from the secondary stream is earlier than or equal to the timestamp of a record from the first stream.
BOOTSTRAP_SERVERS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig: bootstrap.servers
branch(Predicate<K, V>...) - Method in interface org.apache.kafka.streams.kstream.KStream: Creates an array of KStream from this stream by branching the elements in the original stream based on the supplied predicates.
BUFFERED_RECORDS_PER_PARTITION_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig: buffered.records.per.partition
build(String, 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.

C

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 stream instance by signaling all the threads to stop, and then wait for them to join.
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
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.
ConsumerRecordTimestampExtractor - Class in org.apache.kafka.streams.processor: Retrieves built-in timestamps from Kafka messages (introduced in KIP-32: Add timestamps to Kafka message).
ConsumerRecordTimestampExtractor() - Constructor for class org.apache.kafka.streams.processor.ConsumerRecordTimestampExtractor
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.KGroupedTable: Count number of records of this stream by the selected key into a new instance of KTable.
countByKey(Windows<W>, Serde<K>) - Method in interface org.apache.kafka.streams.kstream.KStream: Count number of records of this stream by key on a window basis into a new instance of windowed KTable.
countByKey(Windows<W>) - Method in interface org.apache.kafka.streams.kstream.KStream: Count number of records of this stream by key on a window basis into a new instance of windowed KTable with default serializers and deserializers.
countByKey(Serde<K>, String) - Method in interface org.apache.kafka.streams.kstream.KStream: Count number of records of this stream by key into a new instance of ever-updating KTable.
countByKey(String) - Method in interface org.apache.kafka.streams.kstream.KStream: Count number of records of this stream by key into a new instance of ever-updating KTable with default serializers and deserializers.
create(String) - Static method in class org.apache.kafka.streams.state.Stores: Begin to create a new StateStoreSupplier instance.

D

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
delete(K) - Method in interface org.apache.kafka.streams.state.KeyValueStore: Delete the value from the store (if there is one)

E

end() - Method in class org.apache.kafka.streams.kstream.Window: Return the end timestamp of this window, exclusive
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
extract(ConsumerRecord<Object, Object>) - Method in class org.apache.kafka.streams.processor.ConsumerRecordTimestampExtractor
extract(ConsumerRecord<Object, Object>) - Method in interface org.apache.kafka.streams.processor.TimestampExtractor: Extracts a timestamp from a record.
extract(ConsumerRecord<Object, Object>) - Method in class org.apache.kafka.streams.processor.WallclockTimestampExtractor: Return the current wall clock time as timestamp.

F

fetch(K, long, long) - Method in interface org.apache.kafka.streams.state.WindowStore: Get all the key-value pairs with the given key and the time range from all the existing windows.
filter(Predicate<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream: Create a new instance of KStream that consists of all elements of this stream which satisfy a predicate.
filter(Predicate<K, V>) - Method in interface org.apache.kafka.streams.kstream.KTable: Create a new instance of KTable that consists of all elements of this stream which satisfy a predicate.
filterNot(Predicate<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream: Create a new instance of KStream that consists all elements of this stream which do not satisfy a predicate.
filterNot(Predicate<K, V>) - Method in interface org.apache.kafka.streams.kstream.KTable: Create a new instance of KTable that consists all elements of this stream which do not satisfy a predicate.
flatMap(KeyValueMapper<K, V, Iterable<KeyValue<K1, V1>>>) - Method in interface org.apache.kafka.streams.kstream.KStream: Create a new instance of KStream by transforming each element in this stream into zero or more elements in the new stream.
flatMapValues(ValueMapper<V, Iterable<V1>>) - Method in interface org.apache.kafka.streams.kstream.KStream: Create a new instance of KStream by transforming the value of each element 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<K, V>) - Method in interface org.apache.kafka.streams.kstream.KStream: Perform an action on each element of KStream.
foreach(ForeachAction<K, V>) - Method in interface org.apache.kafka.streams.kstream.KTable: Perform an action on each element of KTable.
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.KeyValueStore: Get the value corresponding to this key
getConsumer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier: Creates an instance of Consumer which is used to consume records of source topics.
getConsumerConfigs(StreamThread, String, String) - Method in class org.apache.kafka.streams.StreamsConfig
getProducer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier: Creates an instance of Producer which is used to produce records.
getProducerConfigs(String) - Method in class org.apache.kafka.streams.StreamsConfig
getRestoreConsumer(Map<String, Object>) - Method in interface org.apache.kafka.streams.KafkaClientSupplier: Creates an instance of Consumer which is used to consume records of internal topics.
getRestoreConsumerConfigs(String) - Method in class org.apache.kafka.streams.StreamsConfig
getStateStore(String) - Method in interface org.apache.kafka.streams.processor.ProcessorContext: Get the state store given the store name.
groupBy(KeyValueMapper<K, V, KeyValue<K1, V1>>, Serde<K1>, Serde<V1>) - Method in interface org.apache.kafka.streams.kstream.KTable: Group the records of this KTable using the provided KeyValueMapper.
groupBy(KeyValueMapper<K, V, KeyValue<K1, V1>>) - Method in interface org.apache.kafka.streams.kstream.KTable: Group the records of this KTable using the provided KeyValueMapper and default serializers and deserializers.

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

I

init(ProcessorContext) - Method in interface org.apache.kafka.streams.kstream.Transformer: Initialize this transformer with the given context.
init(ProcessorContext) - Method in interface org.apache.kafka.streams.kstream.ValueTransformer: Initialize this transformer with the given context.
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<T> - 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.
interSourceTopics - Variable in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo

J

join(KStream<K, V1>, ValueJoiner<V, V1, R>, JoinWindows, Serde<K>, Serde<V>, Serde<V1>) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine element values of this stream with another KStream's elements of the same key using windowed Inner Join.
join(KStream<K, V1>, ValueJoiner<V, V1, R>, JoinWindows) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine element values of this stream with another KStream's elements of the same key using windowed Inner Join with default serializers and deserializers.
join(KTable<K, V1>, ValueJoiner<V, V1, R>) - Method in interface org.apache.kafka.streams.kstream.KTable: Combine values of this stream with another KTable stream's elements of the same key using Inner Join.
JoinWindows - Class in org.apache.kafka.streams.kstream: The window specifications used for joins.

K

KafkaClientSupplier - Interface in org.apache.kafka.streams
KafkaStreams - Class in org.apache.kafka.streams: Kafka Streams allows for performing continuous computation on input coming from one or more input topics and sends output to zero or more output topics.
KafkaStreams(TopologyBuilder, Properties) - Constructor for class org.apache.kafka.streams.KafkaStreams: Construct the stream instance.
KafkaStreams(TopologyBuilder, StreamsConfig) - Constructor for class org.apache.kafka.streams.KafkaStreams: Construct the stream instance.
KafkaStreams(TopologyBuilder, StreamsConfig, KafkaClientSupplier) - Constructor for class org.apache.kafka.streams.KafkaStreams: Construct the stream instance.
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: key.serde
KEY_SERDE_CLASS_DOC - Static variable in class org.apache.kafka.streams.StreamsConfig
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
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,R> - Interface in org.apache.kafka.streams.kstream: The KeyValueMapper interface for mapping a key-value pair to a new value (could be another key-value pair).
KeyValueStore<K,V> - Interface in org.apache.kafka.streams.state: A key-value store that supports put/get/delete and range queries.
KGroupedTable<K,V> - Interface in org.apache.kafka.streams.kstream: KGroupedTable is an abstraction of a 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 key-value pairs.
KStreamBuilder - Class in org.apache.kafka.streams.kstream: KStreamBuilder is a subclass of TopologyBuilder that provides the Kafka Streams DSL for users to specify computational logic and translates the given logic to a ProcessorTopology.
KStreamBuilder() - Constructor for class org.apache.kafka.streams.kstream.KStreamBuilder: Create a new KStreamBuilder instance.
KTable<K,V> - Interface in org.apache.kafka.streams.kstream: KTable is an abstraction of a changelog stream from a primary-keyed table.

L

leftJoin(KStream<K, V1>, ValueJoiner<V, V1, R>, JoinWindows, Serde<K>, Serde<V1>) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine values of this stream with another KStream's elements of the same key using windowed Left Join.
leftJoin(KStream<K, V1>, ValueJoiner<V, V1, R>, JoinWindows) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine values of this stream with another KStream's elements of the same key using windowed Left Join with default serializers and deserializers.
leftJoin(KTable<K, V1>, ValueJoiner<V, V1, V2>) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine values of this stream with KTable's elements of the same key using non-windowed Left Join.
leftJoin(KTable<K, V1>, ValueJoiner<V, V1, R>) - Method in interface org.apache.kafka.streams.kstream.KTable: Combine values of this stream with another KTable stream's elements of the same key using Left Join.

M

main(String[]) - Static method in class org.apache.kafka.streams.StreamsConfig
maintainMs() - Method in class org.apache.kafka.streams.kstream.Windows: Return the window maintain duration in milliseconds of system time.
map(KeyValueMapper<K, V, KeyValue<K1, V1>>) - Method in interface org.apache.kafka.streams.kstream.KStream: Create a new instance of KStream by transforming each element in this stream into a different element in the new stream.
mapValues(ValueMapper<V, V1>) - Method in interface org.apache.kafka.streams.kstream.KStream: Create a new instance of KStream by transforming the value of each element in this stream into a new value in the new stream.
mapValues(ValueMapper<V, V1>) - Method in interface org.apache.kafka.streams.kstream.KTable: Create a new instance of KTable by transforming the value of each element in this stream into a new value in the new stream.
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 streams.
METRIC_REPORTER_CLASSES_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig: metric.reporters
metrics() - Method in interface org.apache.kafka.streams.processor.ProcessorContext: Returns Metrics instance
METRICS_NUM_SAMPLES_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig: metrics.num.samples
METRICS_SAMPLE_WINDOW_MS_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig: metrics.sample.window.ms

N

name - Variable in class org.apache.kafka.streams.kstream.Windows
name() - Method in class org.apache.kafka.streams.kstream.Windows
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: Create a unique processor name used for translation into the processor topology.
nodeGroups() - Method in class org.apache.kafka.streams.processor.TopologyBuilder: Returns the map of node groups keyed by the topic group id.
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(String) - Static method in class org.apache.kafka.streams.kstream.JoinWindows
of(String, long) - Static method in class org.apache.kafka.streams.kstream.TimeWindows: Returns a window definition with the given window size, and with the advance interval being equal to the window size.
of(String) - 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)
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, V1>, ValueJoiner<V, V1, R>, JoinWindows, Serde<K>, Serde<V>, Serde<V1>) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine values of this stream with another KStream's elements of the same key using windowed Outer Join.
outerJoin(KStream<K, V1>, ValueJoiner<V, V1, R>, JoinWindows) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine values of this stream with another KStream's elements of the same key using windowed Outer Join with default serializers and deserializers.
outerJoin(KTable<K, V1>, ValueJoiner<V, V1, R>) - Method in interface org.apache.kafka.streams.kstream.KTable: Combine values of this stream with another KTable stream's elements of the same key using Outer 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.
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
Predicate<K,V> - Interface in org.apache.kafka.streams.kstream: The Predicate interface represents a predicate (boolean-valued function) of a key-value pair.
print() - Method in interface org.apache.kafka.streams.kstream.KStream: Print the elements of this stream to System.out Implementors will need to override toString for keys and values that are not of type String, Integer etc to get meaningful information.
print(Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KStream: Print the elements of this stream to System.out
print() - Method in interface org.apache.kafka.streams.kstream.KTable: Print the elements of this stream to System.out Implementors will need to override toString for keys and values that are not of type String, Integer etc to get meaningful information.
print(Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KTable: Print the elements of this stream to System.out
process(ProcessorSupplier<K, V>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream: Process all elements in this stream, one element at a time, by applying a Processor.
process(K, V) - Method in interface org.apache.kafka.streams.processor.Processor: Process the record with the given key and value.
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.
punctuate(long) - Method in interface org.apache.kafka.streams.kstream.Transformer: Perform any periodic operations and possibly generate a key, if this processor schedule itself with the context during initialization.
punctuate(long) - Method in interface org.apache.kafka.streams.kstream.ValueTransformer: Perform any periodic operations and possibly return a new value, 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(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

R

range(K, K) - Method in interface org.apache.kafka.streams.state.KeyValueStore: 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
recordLatency(Sensor, long, long) - Method in interface org.apache.kafka.streams.StreamsMetrics
reduce(Reducer<V>, Reducer<V>, String) - Method in interface org.apache.kafka.streams.kstream.KGroupedTable: Combine updating values of this stream by the selected key into a new instance of KTable.
reduceByKey(Reducer<V>, Windows<W>, Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine values of this stream by key on a window basis into a new instance of windowed KTable.
reduceByKey(Reducer<V>, Windows<W>) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine values of this stream by key on a window basis into a new instance of windowed KTable with default serializers and deserializers.
reduceByKey(Reducer<V>, Serde<K>, Serde<V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine values of this stream by key into a new instance of ever-updating KTable.
reduceByKey(Reducer<V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream: Combine values of this stream by key into a new instance of ever-updating KTable with default serializers and deserializers.
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.
REPLICATION_FACTOR_CONFIG - Static variable in class org.apache.kafka.streams.StreamsConfig: replication.factor
REPLICATION_FACTOR_DOC - Static variable in class org.apache.kafka.streams.StreamsConfig
restore(byte[], byte[]) - Method in interface org.apache.kafka.streams.processor.StateRestoreCallback

S

schedule(long) - Method in interface org.apache.kafka.streams.processor.ProcessorContext: Schedules a periodic operation for processors.
segments - Variable in class org.apache.kafka.streams.kstream.Windows
segments(int) - Method in class org.apache.kafka.streams.kstream.Windows: Specify the number of segments to be used for rolling the window store, this function is not exposed to users but can be called by developers that extend this JoinWindows specs.
selectKey(KeyValueMapper<K, V, K1>) - Method in interface org.apache.kafka.streams.kstream.KStream: Create a new key from the current key and value.
setUncaughtExceptionHandler(Thread.UncaughtExceptionHandler) - Method in class org.apache.kafka.streams.KafkaStreams: Sets the handler invoked when a stream thread abruptly terminates due to an uncaught exception.
sinkTopics - Variable in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo
size - Variable in class org.apache.kafka.streams.kstream.TimeWindows: The size of the window, i.e.
sourceTopics(String) - Method in class org.apache.kafka.streams.processor.TopologyBuilder: Get the names of topics that are to be consumed by the source nodes created by this builder.
sourceTopics - Variable in class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo
start() - Method in class org.apache.kafka.streams.KafkaStreams: Start the stream instance by starting all its threads.
start - Variable in class org.apache.kafka.streams.kstream.UnlimitedWindows: The start timestamp of the window.
start() - Method in class org.apache.kafka.streams.kstream.Window: Return the start timestamp of this window, inclusive
startOn(long) - Method in class org.apache.kafka.streams.kstream.UnlimitedWindows: Return a new unlimited window for the specified start timestamp.
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.
stateName() - Method in class org.apache.kafka.streams.state.StateSerdes: Return the name of the state.
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.
StateStoreSupplier - Interface in org.apache.kafka.streams.processor: A state store supplier which can create one or more StateStore instances.
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: The interface used to specify the different kinds of key-value stores.
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 instance from the specified topics.
stream(Serde<K>, Serde<V>, String...) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder: Create a KStream instance from the specified topics.
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 Kafka Streams.
StreamsConfig(Map<?, ?>) - Constructor for class org.apache.kafka.streams.StreamsConfig
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
StreamsMetrics - Interface in org.apache.kafka.streams: The Kafka Streams metrics interface for adding metric sensors and collecting metric values.

T

table(String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder: Create a KTable instance for the specified topic.
table(Serde<K>, Serde<V>, String) - Method in class org.apache.kafka.streams.kstream.KStreamBuilder: Create a KTable instance 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
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, also creates a new instance of KStream from the topic using default serializers and deserializers and producer's DefaultPartitioner.
through(StreamPartitioner<K, V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream: Materialize this stream to a topic, also creates a new instance of 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, also creates a new instance of KStream from the topic.
through(Serde<K>, Serde<V>, StreamPartitioner<K, V>, String) - Method in interface org.apache.kafka.streams.kstream.KStream: Materialize this stream to a topic, also creates a new instance of KStream from the topic using a customizable StreamPartitioner to determine the distribution of records to partitions.
through(String) - Method in interface org.apache.kafka.streams.kstream.KTable: Materialize this stream to a topic, also creates a new instance of KTable from the topic using default serializers and deserializers and producer's DefaultPartitioner.
through(StreamPartitioner<K, V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable: Materialize this stream to a topic, also creates a new instance of 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) - Method in interface org.apache.kafka.streams.kstream.KTable: Materialize this stream to a topic, also creates a new instance of KTable from the topic.
through(Serde<K>, Serde<V>, StreamPartitioner<K, V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable: Materialize this stream to a topic, also creates a new instance of 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: timestamp.extractor
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 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<K, 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<K, 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 stream to a topic using default serializers specified in the config and producer's DefaultPartitioner.
to(StreamPartitioner<K, V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable: 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.KTable: Materialize this stream to a topic.
to(Serde<K>, Serde<V>, StreamPartitioner<K, V>, String) - Method in interface org.apache.kafka.streams.kstream.KTable: Materialize this 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)
topicGroupId - Variable in class org.apache.kafka.streams.processor.TaskId: The ID of the topic group.
topicGroups(String) - Method in class org.apache.kafka.streams.processor.TopologyBuilder: Returns the map of topic groups keyed by the group id.
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.TopicsInfo - Class in org.apache.kafka.streams.processor
TopologyBuilder.TopicsInfo(Set<String>, Set<String>, Set<String>, Set<String>) - Constructor for class org.apache.kafka.streams.processor.TopologyBuilder.TopicsInfo
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
toStream() - Method in interface org.apache.kafka.streams.kstream.KTable: Convert this stream to a new instance of KStream.
toStream(KeyValueMapper<K, V, K1>) - Method in interface org.apache.kafka.streams.kstream.KTable: Convert this stream to a new instance of KStream using the given KeyValueMapper to select the new key.
toString() - Method in class org.apache.kafka.streams.KeyValue
toString() - Method in class org.apache.kafka.streams.kstream.Windowed
toString() - Method in class org.apache.kafka.streams.processor.TaskId
transform(TransformerSupplier<K, V, KeyValue<K1, V1>>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream: Create a new KStream instance by applying a Transformer to all elements in this stream, one element at a time.
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 record with the given key and value.
Transformer<K,V,R> - Interface in org.apache.kafka.streams.kstream: A stateful Transformer interface for transform a key-value pair into a new value.
TransformerSupplier<K,V,R> - Interface in org.apache.kafka.streams.kstream: A TransformerSupplier interface which can create one or more Transformer instances.
transformValues(ValueTransformerSupplier<V, R>, String...) - Method in interface org.apache.kafka.streams.kstream.KStream: Create a new KStream instance by applying a ValueTransformer to all values in this stream, one element at a time.

U

UnlimitedWindows - Class in org.apache.kafka.streams.kstream: The unlimited window specifications.
until(long) - Method in class org.apache.kafka.streams.kstream.Windows: Set the window maintain duration in milliseconds of system time.

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: value.serde
VALUE_SERDE_CLASS_DOC - Static variable in class org.apache.kafka.streams.StreamsConfig
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,R> - Interface in org.apache.kafka.streams.kstream: The ValueJoiner interface for joining two values into a new value.
ValueMapper<V1,V2> - Interface in org.apache.kafka.streams.kstream: The ValueMapper interface for mapping an original value to a new value (could be another key-value pair).
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
valueSerializer() - Method in class org.apache.kafka.streams.state.StateSerdes: Return the value serializer.
ValueTransformer<V,R> - Interface in org.apache.kafka.streams.kstream: A stateful ValueTransformer interface to transform a value into a new value.
ValueTransformerSupplier<V,R> - 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 time (inclusive) and end time (exclusive).
window() - Method in class org.apache.kafka.streams.kstream.Windowed: Return the window containing the values associated with this key.
Windowed<K> - Class in org.apache.kafka.streams.kstream: The windowed key interface used in KTable, used for representing a windowed table result from windowed stream aggregations, i.e.
Windowed(K, Window) - Constructor for class org.apache.kafka.streams.kstream.Windowed
windowed(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 that can be extended for windowing operation in joins and aggregations.
Windows(String) - 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: Creates all windows that contain the provided timestamp.
WindowStore<K,V> - Interface in org.apache.kafka.streams.state: A windowed store interface extending StateStore.
WindowStoreIterator<E> - Interface in org.apache.kafka.streams.state: Iterator interface of KeyValue with key typed Long used for WindowStore.fetch(Object, long, long).
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.
within(long) - Method in class org.apache.kafka.streams.kstream.JoinWindows: Specifies that records of the same key are joinable if their timestamps are within timeDifference.
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 elements 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
writeAsText(String) - Method in interface org.apache.kafka.streams.kstream.KTable: Write the elements of this stream to a file at the given path using default serializers and deserializers.
writeAsText(String, Serde<K>, Serde<V>) - Method in interface org.apache.kafka.streams.kstream.KTable: Write the elements of this stream to a file at the given path.
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: zookeeper.connect


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