org.apache.flink.streaming.api.operators

接口 StreamOperatorStateHandler.CheckpointedStreamOperator

所有已知实现类:

AbstractStreamOperator, AbstractStreamOperatorV2, AbstractUdfStreamOperator, AsyncWaitOperator, CoBroadcastWithKeyedOperator, CoBroadcastWithNonKeyedOperator, CollectSinkOperator, ContinuousFileReaderOperator, CoProcessOperator, CoStreamFlatMap, CoStreamMap, EvictingWindowOperator, GenericWriteAheadSink, IntervalJoinOperator, KeyedCoProcessOperator, KeyedProcessOperator, LegacyKeyedCoProcessOperator, LegacyKeyedProcessOperator, ProcessOperator, QueryableAppendingStateOperator, QueryableValueStateOperator, SourceOperator, StreamFilter, StreamFlatMap, StreamGroupedFold, StreamGroupedReduce, StreamMap, StreamProject, StreamSink, StreamSource, TimestampsAndWatermarksOperator, WindowOperator

封闭类:

StreamOperatorStateHandler

public static interface StreamOperatorStateHandler.CheckpointedStreamOperator

Custom state handling hooks to be invoked by StreamOperatorStateHandler.

方法概要

限定符和类型	方法和说明
void	initializeState(org.apache.flink.runtime.state.StateInitializationContext context)
void	snapshotState(org.apache.flink.runtime.state.StateSnapshotContext context)

方法详细资料

initializeState

void initializeState(org.apache.flink.runtime.state.StateInitializationContext context)
              throws Exception

抛出:

Exception

snapshotState

void snapshotState(org.apache.flink.runtime.state.StateSnapshotContext context)
            throws Exception

抛出:

Exception