org.apache.flink.iteration.proxy.state

类 ProxyKeyedStateBackend<K>

java.lang.Object

org.apache.flink.iteration.proxy.state.ProxyKeyedStateBackend<K>

所有已实现的接口:

Closeable, AutoCloseable, org.apache.flink.runtime.state.CheckpointableKeyedStateBackend<K>, org.apache.flink.runtime.state.KeyedStateBackend<K>, org.apache.flink.runtime.state.KeyedStateFactory, org.apache.flink.runtime.state.PriorityQueueSetFactory, org.apache.flink.runtime.state.Snapshotable<org.apache.flink.runtime.state.SnapshotResult<org.apache.flink.runtime.state.KeyedStateHandle>>, org.apache.flink.util.Disposable

public class ProxyKeyedStateBackend<K>
extends Object
implements org.apache.flink.runtime.state.CheckpointableKeyedStateBackend<K>

Proxy KeyedStateBackend for the wrapped operators.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.runtime.state.KeyedStateBackend

org.apache.flink.runtime.state.KeyedStateBackend.KeySelectionListener<K>

构造器概要

构造器

构造器和说明
ProxyKeyedStateBackend(org.apache.flink.runtime.state.CheckpointableKeyedStateBackend<K> wrappedBackend, StateNamePrefix stateNamePrefix)

方法概要

限定符和类型	方法和说明
<N,S extends org.apache.flink.api.common.state.State,T> void	applyToAllKeys(N namespace, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor, org.apache.flink.runtime.state.KeyedStateFunction<K,S> function)
void	close()
<T extends org.apache.flink.runtime.state.heap.HeapPriorityQueueElement & org.apache.flink.runtime.state.PriorityComparable<? super T> & org.apache.flink.runtime.state.Keyed<?>> org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T>	create(String stateName, org.apache.flink.api.common.typeutils.TypeSerializer<T> byteOrderedElementSerializer)
<N,SV,SEV,S extends org.apache.flink.api.common.state.State,IS extends S> IS	createInternalState(org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.state.StateDescriptor<S,SV> stateDesc, org.apache.flink.runtime.state.StateSnapshotTransformer.StateSnapshotTransformFactory<SEV> snapshotTransformFactory)
protected <S extends org.apache.flink.api.common.state.State,T> org.apache.flink.api.common.state.StateDescriptor<S,T>	createNewDescriptor(org.apache.flink.api.common.state.StateDescriptor<S,T> descriptor)
boolean	deregisterKeySelectionListener(org.apache.flink.runtime.state.KeyedStateBackend.KeySelectionListener<K> listener)
void	dispose()
K	getCurrentKey()
org.apache.flink.runtime.state.KeyGroupRange	getKeyGroupRange()
<N> java.util.stream.Stream<K>	getKeys(String state, N namespace)
<N> java.util.stream.Stream<org.apache.flink.api.java.tuple.Tuple2<K,N>>	getKeysAndNamespaces(String state)
org.apache.flink.api.common.typeutils.TypeSerializer<K>	getKeySerializer()
<N,S extends org.apache.flink.api.common.state.State,T> S	getOrCreateKeyedState(org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor)
<N,S extends org.apache.flink.api.common.state.State> S	getPartitionedState(N namespace, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.state.StateDescriptor<S,?> stateDescriptor)
void	registerKeySelectionListener(org.apache.flink.runtime.state.KeyedStateBackend.KeySelectionListener<K> listener)
org.apache.flink.runtime.state.SavepointResources<K>	savepoint()
void	setCurrentKey(K newKey)
RunnableFuture<org.apache.flink.runtime.state.SnapshotResult<org.apache.flink.runtime.state.KeyedStateHandle>>	snapshot(long checkpointId, long timestamp, org.apache.flink.runtime.state.CheckpointStreamFactory streamFactory, org.apache.flink.runtime.checkpoint.CheckpointOptions checkpointOptions)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.flink.runtime.state.KeyedStateBackend

isSafeToReuseKVState, isStateImmutableInStateBackend

从接口继承的方法 org.apache.flink.runtime.state.KeyedStateFactory

createInternalState

构造器详细资料

ProxyKeyedStateBackend

public ProxyKeyedStateBackend(org.apache.flink.runtime.state.CheckpointableKeyedStateBackend<K> wrappedBackend,
                              StateNamePrefix stateNamePrefix)

方法详细资料

setCurrentKey

public void setCurrentKey(K newKey)

指定者:

setCurrentKey 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

getCurrentKey

public K getCurrentKey()

指定者:

getCurrentKey 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

getKeySerializer

public org.apache.flink.api.common.typeutils.TypeSerializer<K> getKeySerializer()

指定者:

getKeySerializer 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

applyToAllKeys

public <N,S extends org.apache.flink.api.common.state.State,T> void applyToAllKeys(N namespace,
                                                                                   org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer,
                                                                                   org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor,
                                                                                   org.apache.flink.runtime.state.KeyedStateFunction<K,S> function)
                                                                            throws Exception

指定者:

applyToAllKeys 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

抛出:

Exception

getKeys

public <N> java.util.stream.Stream<K> getKeys(String state,
                                              N namespace)

指定者:

getKeys 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

getKeysAndNamespaces

public <N> java.util.stream.Stream<org.apache.flink.api.java.tuple.Tuple2<K,N>> getKeysAndNamespaces(String state)

指定者:

getKeysAndNamespaces 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

getOrCreateKeyedState

public <N,S extends org.apache.flink.api.common.state.State,T> S getOrCreateKeyedState(org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer,
                                                                                       org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor)
                                                                                throws Exception

指定者:

getOrCreateKeyedState 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

抛出:

Exception

getPartitionedState

public <N,S extends org.apache.flink.api.common.state.State> S getPartitionedState(N namespace,
                                                                                   org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer,
                                                                                   org.apache.flink.api.common.state.StateDescriptor<S,?> stateDescriptor)
                                                                            throws Exception

指定者:

getPartitionedState 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

抛出:

Exception

registerKeySelectionListener

public void registerKeySelectionListener(org.apache.flink.runtime.state.KeyedStateBackend.KeySelectionListener<K> listener)

指定者:

registerKeySelectionListener 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

deregisterKeySelectionListener

public boolean deregisterKeySelectionListener(org.apache.flink.runtime.state.KeyedStateBackend.KeySelectionListener<K> listener)

指定者:

deregisterKeySelectionListener 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

createInternalState

@Nonnull
public <N,SV,SEV,S extends org.apache.flink.api.common.state.State,IS extends S> IS createInternalState(@Nonnull
                                                                                                                 org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer,
                                                                                                                 @Nonnull
                                                                                                                 org.apache.flink.api.common.state.StateDescriptor<S,SV> stateDesc,
                                                                                                                 @Nonnull
                                                                                                                 org.apache.flink.runtime.state.StateSnapshotTransformer.StateSnapshotTransformFactory<SEV> snapshotTransformFactory)
                                                                                                          throws Exception

指定者:

createInternalState 在接口中 org.apache.flink.runtime.state.KeyedStateFactory

抛出:

Exception

createNewDescriptor

protected <S extends org.apache.flink.api.common.state.State,T> org.apache.flink.api.common.state.StateDescriptor<S,T> createNewDescriptor(org.apache.flink.api.common.state.StateDescriptor<S,T> descriptor)

getKeyGroupRange

public org.apache.flink.runtime.state.KeyGroupRange getKeyGroupRange()

指定者:

getKeyGroupRange 在接口中 org.apache.flink.runtime.state.CheckpointableKeyedStateBackend<K>

savepoint

@Nonnull
public org.apache.flink.runtime.state.SavepointResources<K> savepoint()
                                                                        throws Exception

指定者:

savepoint 在接口中 org.apache.flink.runtime.state.CheckpointableKeyedStateBackend<K>

抛出:

Exception

dispose

public void dispose()

指定者:

dispose 在接口中 org.apache.flink.runtime.state.KeyedStateBackend<K>

指定者:

dispose 在接口中 org.apache.flink.util.Disposable

close

public void close()
           throws IOException

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

抛出:

IOException

create

@Nonnull
public <T extends org.apache.flink.runtime.state.heap.HeapPriorityQueueElement & org.apache.flink.runtime.state.PriorityComparable<? super T> & org.apache.flink.runtime.state.Keyed<?>> org.apache.flink.runtime.state.KeyGroupedInternalPriorityQueue<T> create(@Nonnull
                                                                                                                                                                                                                                                                           String stateName,
                                                                                                                                                                                                                                                                           @Nonnull
                                                                                                                                                                                                                                                                           org.apache.flink.api.common.typeutils.TypeSerializer<T> byteOrderedElementSerializer)

指定者:

create 在接口中 org.apache.flink.runtime.state.PriorityQueueSetFactory

snapshot

@Nonnull
public RunnableFuture<org.apache.flink.runtime.state.SnapshotResult<org.apache.flink.runtime.state.KeyedStateHandle>> snapshot(long checkpointId,
                                                                                                                                        long timestamp,
                                                                                                                                        @Nonnull
                                                                                                                                        org.apache.flink.runtime.state.CheckpointStreamFactory streamFactory,
                                                                                                                                        @Nonnull
                                                                                                                                        org.apache.flink.runtime.checkpoint.CheckpointOptions checkpointOptions)
                                                                                                                                 throws Exception

指定者:

snapshot 在接口中 org.apache.flink.runtime.state.Snapshotable<org.apache.flink.runtime.state.SnapshotResult<org.apache.flink.runtime.state.KeyedStateHandle>>

抛出:

Exception