Package org.apache.flink.runtime.state

Class DefaultKeyedStateStore

java.lang.Object

org.apache.flink.runtime.state.DefaultKeyedStateStore

All Implemented Interfaces:

org.apache.flink.api.common.state.KeyedStateStore

Direct Known Subclasses:

AsyncWindowOperator.AbstractPerWindowStateStore, WindowOperator.AbstractPerWindowStateStore

public class DefaultKeyedStateStore
extends Object
implements org.apache.flink.api.common.state.KeyedStateStore

Default implementation of KeyedStateStore that currently forwards state registration to a RuntimeContext.

Field Summary

Fields

Modifier and Type	Field	Description
protected AsyncKeyedStateBackend<?>	asyncKeyedStateBackend
protected KeyedStateBackend<?>	keyedStateBackend
protected org.apache.flink.api.common.functions.SerializerFactory	serializerFactory
protected org.apache.flink.runtime.state.DefaultKeyedStateStore.SupportKeyedStateApiSet	supportKeyedStateApiSet

Constructor Summary

Constructors

Constructor	Description
DefaultKeyedStateStore(AsyncKeyedStateBackend<?> asyncKeyedStateBackend, org.apache.flink.api.common.functions.SerializerFactory serializerFactory)
DefaultKeyedStateStore(KeyedStateBackend<?> keyedStateBackend, org.apache.flink.api.common.functions.SerializerFactory serializerFactory)
DefaultKeyedStateStore(KeyedStateBackend<?> keyedStateBackend, AsyncKeyedStateBackend<?> asyncKeyedStateBackend, org.apache.flink.api.common.functions.SerializerFactory serializerFactory)

Method Summary

Modifier and Type	Method	Description
<IN,ACC,OUT> org.apache.flink.api.common.state.AggregatingState<IN,OUT>	getAggregatingState(org.apache.flink.api.common.state.AggregatingStateDescriptor<IN,ACC,OUT> stateProperties)
<IN,ACC,OUT> org.apache.flink.api.common.state.v2.AggregatingState<IN,OUT>	getAggregatingState(org.apache.flink.api.common.state.v2.AggregatingStateDescriptor<IN,ACC,OUT> stateProperties)
<T> org.apache.flink.api.common.state.ListState<T>	getListState(org.apache.flink.api.common.state.ListStateDescriptor<T> stateProperties)
<T> org.apache.flink.api.common.state.v2.ListState<T>	getListState(org.apache.flink.api.common.state.v2.ListStateDescriptor<T> stateProperties)
<UK,UV> org.apache.flink.api.common.state.MapState<UK,UV>	getMapState(org.apache.flink.api.common.state.MapStateDescriptor<UK,UV> stateProperties)
<UK,UV> org.apache.flink.api.common.state.v2.MapState<UK,UV>	getMapState(org.apache.flink.api.common.state.v2.MapStateDescriptor<UK,UV> stateProperties)
protected <S extends org.apache.flink.api.common.state.State> S	getPartitionedState(org.apache.flink.api.common.state.StateDescriptor<S,?> stateDescriptor)
protected <S extends org.apache.flink.api.common.state.v2.State,SV> S	getPartitionedState(org.apache.flink.api.common.state.v2.StateDescriptor<SV> stateDescriptor)
<T> org.apache.flink.api.common.state.ReducingState<T>	getReducingState(org.apache.flink.api.common.state.ReducingStateDescriptor<T> stateProperties)
<T> org.apache.flink.api.common.state.v2.ReducingState<T>	getReducingState(org.apache.flink.api.common.state.v2.ReducingStateDescriptor<T> stateProperties)
<T> org.apache.flink.api.common.state.ValueState<T>	getState(org.apache.flink.api.common.state.ValueStateDescriptor<T> stateProperties)
<T> org.apache.flink.api.common.state.v2.ValueState<T>	getValueState(org.apache.flink.api.common.state.v2.ValueStateDescriptor<T> stateProperties)
void	setSupportKeyedStateApiSetV2()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.api.common.state.KeyedStateStore

getState

Field Detail

keyedStateBackend

@Nullable
protected final KeyedStateBackend<?> keyedStateBackend

asyncKeyedStateBackend

@Nullable
protected final AsyncKeyedStateBackend<?> asyncKeyedStateBackend

serializerFactory

protected final org.apache.flink.api.common.functions.SerializerFactory serializerFactory

supportKeyedStateApiSet

protected org.apache.flink.runtime.state.DefaultKeyedStateStore.SupportKeyedStateApiSet supportKeyedStateApiSet

Constructor Detail

DefaultKeyedStateStore

public DefaultKeyedStateStore(KeyedStateBackend<?> keyedStateBackend,
                              org.apache.flink.api.common.functions.SerializerFactory serializerFactory)

DefaultKeyedStateStore

public DefaultKeyedStateStore(AsyncKeyedStateBackend<?> asyncKeyedStateBackend,
                              org.apache.flink.api.common.functions.SerializerFactory serializerFactory)

DefaultKeyedStateStore

public DefaultKeyedStateStore(@Nullable
                              KeyedStateBackend<?> keyedStateBackend,
                              @Nullable
                              AsyncKeyedStateBackend<?> asyncKeyedStateBackend,
                              org.apache.flink.api.common.functions.SerializerFactory serializerFactory)

Method Detail

getState

public <T> org.apache.flink.api.common.state.ValueState<T> getState(org.apache.flink.api.common.state.ValueStateDescriptor<T> stateProperties)

Specified by:

getState in interface org.apache.flink.api.common.state.KeyedStateStore

getListState

public <T> org.apache.flink.api.common.state.ListState<T> getListState(org.apache.flink.api.common.state.ListStateDescriptor<T> stateProperties)

Specified by:

getListState in interface org.apache.flink.api.common.state.KeyedStateStore

getReducingState

public <T> org.apache.flink.api.common.state.ReducingState<T> getReducingState(org.apache.flink.api.common.state.ReducingStateDescriptor<T> stateProperties)

Specified by:

getReducingState in interface org.apache.flink.api.common.state.KeyedStateStore

getAggregatingState

public <IN,ACC,OUT> org.apache.flink.api.common.state.AggregatingState<IN,OUT> getAggregatingState(org.apache.flink.api.common.state.AggregatingStateDescriptor<IN,ACC,OUT> stateProperties)

Specified by:

getAggregatingState in interface org.apache.flink.api.common.state.KeyedStateStore

getMapState

public <UK,UV> org.apache.flink.api.common.state.MapState<UK,UV> getMapState(org.apache.flink.api.common.state.MapStateDescriptor<UK,UV> stateProperties)

Specified by:

getMapState in interface org.apache.flink.api.common.state.KeyedStateStore

getPartitionedState

protected <S extends org.apache.flink.api.common.state.State> S getPartitionedState(org.apache.flink.api.common.state.StateDescriptor<S,?> stateDescriptor)
                                                                             throws Exception

Throws:

Exception

getValueState

public <T> org.apache.flink.api.common.state.v2.ValueState<T> getValueState(@Nonnull
                                                                            org.apache.flink.api.common.state.v2.ValueStateDescriptor<T> stateProperties)

Specified by:

getValueState in interface org.apache.flink.api.common.state.KeyedStateStore

getListState

public <T> org.apache.flink.api.common.state.v2.ListState<T> getListState(@Nonnull
                                                                          org.apache.flink.api.common.state.v2.ListStateDescriptor<T> stateProperties)

Specified by:

getListState in interface org.apache.flink.api.common.state.KeyedStateStore

getMapState

public <UK,UV> org.apache.flink.api.common.state.v2.MapState<UK,UV> getMapState(@Nonnull
                                                                                            org.apache.flink.api.common.state.v2.MapStateDescriptor<UK,UV> stateProperties)

Specified by:

getMapState in interface org.apache.flink.api.common.state.KeyedStateStore

getReducingState

public <T> org.apache.flink.api.common.state.v2.ReducingState<T> getReducingState(@Nonnull
                                                                                  org.apache.flink.api.common.state.v2.ReducingStateDescriptor<T> stateProperties)

Specified by:

getReducingState in interface org.apache.flink.api.common.state.KeyedStateStore

getAggregatingState

public <IN,ACC,OUT> org.apache.flink.api.common.state.v2.AggregatingState<IN,OUT> getAggregatingState(@Nonnull
                                                                                                                        org.apache.flink.api.common.state.v2.AggregatingStateDescriptor<IN,ACC,OUT> stateProperties)

Specified by:

getAggregatingState in interface org.apache.flink.api.common.state.KeyedStateStore

getPartitionedState

protected <S extends org.apache.flink.api.common.state.v2.State,SV> S getPartitionedState(org.apache.flink.api.common.state.v2.StateDescriptor<SV> stateDescriptor)
                                                                                         throws Exception

Throws:

Exception

setSupportKeyedStateApiSetV2

public void setSupportKeyedStateApiSetV2()