org.apache.flink.runtime.state

类 StateInitializationContextImpl

java.lang.Object

org.apache.flink.runtime.state.StateInitializationContextImpl

所有已实现的接口:

FunctionInitializationContext, ManagedInitializationContext, StateInitializationContext

public class StateInitializationContextImpl
extends Object
implements StateInitializationContext

Default implementation of StateInitializationContext.

构造器概要

构造器

构造器和说明
StateInitializationContextImpl(Long restoredCheckpointId, org.apache.flink.api.common.state.OperatorStateStore operatorStateStore, org.apache.flink.api.common.state.KeyedStateStore keyedStateStore, Iterable<KeyGroupStatePartitionStreamProvider> rawKeyedStateInputs, Iterable<StatePartitionStreamProvider> rawOperatorStateInputs)

方法概要

限定符和类型	方法和说明
org.apache.flink.api.common.state.KeyedStateStore	getKeyedStateStore() Returns an interface that allows for registering keyed state with the backend.
org.apache.flink.api.common.state.OperatorStateStore	getOperatorStateStore() Returns an interface that allows for registering operator state with the backend.
Iterable<KeyGroupStatePartitionStreamProvider>	getRawKeyedStateInputs() Returns an iterable to obtain input streams for previously stored keyed state partitions that are assigned to this operator.
Iterable<StatePartitionStreamProvider>	getRawOperatorStateInputs() Returns an iterable to obtain input streams for previously stored operator state partitions that are assigned to this operator.
OptionalLong	getRestoredCheckpointId() Returns id of the restored checkpoint, if state was restored from the snapshot of a previous execution.
boolean	isRestored() Returns true, if state was restored from the snapshot of a previous execution.

从类继承的方法 java.lang.Object

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

构造器详细资料

StateInitializationContextImpl

public StateInitializationContextImpl(@Nullable
                                      Long restoredCheckpointId,
                                      org.apache.flink.api.common.state.OperatorStateStore operatorStateStore,
                                      org.apache.flink.api.common.state.KeyedStateStore keyedStateStore,
                                      Iterable<KeyGroupStatePartitionStreamProvider> rawKeyedStateInputs,
                                      Iterable<StatePartitionStreamProvider> rawOperatorStateInputs)

方法详细资料

isRestored

public boolean isRestored()

从接口复制的说明: ManagedInitializationContext

Returns true, if state was restored from the snapshot of a previous execution.

指定者:

isRestored 在接口中 ManagedInitializationContext

getRestoredCheckpointId

public OptionalLong getRestoredCheckpointId()

从接口复制的说明: ManagedInitializationContext

Returns id of the restored checkpoint, if state was restored from the snapshot of a previous execution.

指定者:

getRestoredCheckpointId 在接口中 ManagedInitializationContext

getRawOperatorStateInputs

public Iterable<StatePartitionStreamProvider> getRawOperatorStateInputs()

从接口复制的说明: StateInitializationContext

Returns an iterable to obtain input streams for previously stored operator state partitions that are assigned to this operator.

指定者:

getRawOperatorStateInputs 在接口中 StateInitializationContext

getRawKeyedStateInputs

public Iterable<KeyGroupStatePartitionStreamProvider> getRawKeyedStateInputs()

从接口复制的说明: StateInitializationContext

Returns an iterable to obtain input streams for previously stored keyed state partitions that are assigned to this operator.

指定者:

getRawKeyedStateInputs 在接口中 StateInitializationContext

getOperatorStateStore

public org.apache.flink.api.common.state.OperatorStateStore getOperatorStateStore()

从接口复制的说明: ManagedInitializationContext

Returns an interface that allows for registering operator state with the backend.

指定者:

getOperatorStateStore 在接口中 ManagedInitializationContext

getKeyedStateStore

public org.apache.flink.api.common.state.KeyedStateStore getKeyedStateStore()

从接口复制的说明: ManagedInitializationContext

Returns an interface that allows for registering keyed state with the backend.

指定者:

getKeyedStateStore 在接口中 ManagedInitializationContext