类的使用
org.apache.flink.runtime.state.SnapshotResult

使用SnapshotResult的程序包

程序包	说明
org.apache.flink.runtime.state
org.apache.flink.runtime.state.changelog
org.apache.flink.runtime.state.heap	This package contains the classes for key/value state backends that store the state on the JVM heap as objects.

org.apache.flink.runtime.state中SnapshotResult的使用

类型参数类型为SnapshotResult的org.apache.flink.runtime.state中的字段

限定符和类型	字段和说明
protected RunnableFuture<SnapshotResult<KeyedStateHandle>>	StateSnapshotContextSynchronousImpl.keyedStateCheckpointClosingFuture
protected RunnableFuture<SnapshotResult<OperatorStateHandle>>	StateSnapshotContextSynchronousImpl.operatorStateCheckpointClosingFuture

返回SnapshotResult的org.apache.flink.runtime.state中的方法

限定符和类型	方法和说明
SnapshotResult<StreamStateHandle>	CheckpointStreamWithResultProvider.closeAndFinalizeCheckpointStreamResult() Closes the stream ans returns a snapshot result with the stream handle(s).
SnapshotResult<StreamStateHandle>	CheckpointStreamWithResultProvider.PrimaryStreamOnly.closeAndFinalizeCheckpointStreamResult()
SnapshotResult<StreamStateHandle>	CheckpointStreamWithResultProvider.PrimaryAndSecondaryStream.closeAndFinalizeCheckpointStreamResult()
static <T extends StateObject> SnapshotResult<T>	SnapshotResult.empty()
SnapshotResult<KeyedStateHandle>	FullSnapshotAsyncWriter.get(org.apache.flink.core.fs.CloseableRegistry snapshotCloseableRegistry)
SnapshotResult<S>	SnapshotStrategy.SnapshotResultSupplier.get(org.apache.flink.core.fs.CloseableRegistry snapshotCloseableRegistry) Performs the asynchronous part of a checkpoint and returns the snapshot result.
static <T extends StateObject> SnapshotResult<T>	SnapshotResult.of(T jobManagerState)
static SnapshotResult<KeyedStateHandle>	CheckpointStreamWithResultProvider.toKeyedStateHandleSnapshotResult(SnapshotResult<StreamStateHandle> snapshotResult, KeyGroupRangeOffsets keyGroupRangeOffsets, CheckpointStreamWithResultProvider.KeyedStateHandleFactory stateHandleFactory) Helper method that takes a SnapshotResult and a KeyGroupRangeOffsets and creates a SnapshotResult by combining the key groups offsets with all the present stream state handles.
static <T extends StateObject> SnapshotResult<T>	SnapshotResult.withLocalState(T jobManagerState, T localState)

返回变量类型为SnapshotResult的类型的org.apache.flink.runtime.state中的方法

限定符和类型	方法和说明
RunnableFuture<SnapshotResult<KeyedStateHandle>>	StateSnapshotContextSynchronousImpl.getKeyedStateStreamFuture()
RunnableFuture<SnapshotResult<OperatorStateHandle>>	StateSnapshotContextSynchronousImpl.getOperatorStateStreamFuture()
RunnableFuture<SnapshotResult<OperatorStateHandle>>	DefaultOperatorStateBackend.snapshot(long checkpointId, long timestamp, CheckpointStreamFactory streamFactory, CheckpointOptions checkpointOptions)
RunnableFuture<SnapshotResult<T>>	SnapshotStrategyRunner.snapshot(long checkpointId, long timestamp, CheckpointStreamFactory streamFactory, CheckpointOptions checkpointOptions)

参数类型为SnapshotResult的org.apache.flink.runtime.state中的方法

限定符和类型

方法和说明

static SnapshotResult<KeyedStateHandle>

CheckpointStreamWithResultProvider.toKeyedStateHandleSnapshotResult(SnapshotResult<StreamStateHandle> snapshotResult, KeyGroupRangeOffsets keyGroupRangeOffsets, CheckpointStreamWithResultProvider.KeyedStateHandleFactory stateHandleFactory) Helper method that takes a SnapshotResult and a KeyGroupRangeOffsets and creates a SnapshotResult by combining the key groups offsets with all the present stream state handles.

org.apache.flink.runtime.state.changelog中SnapshotResult的使用

返回变量类型为SnapshotResult的类型的org.apache.flink.runtime.state.changelog中的方法

限定符和类型	方法和说明
CompletableFuture<SnapshotResult<Handle>>	StateChangelogWriter.persist(SequenceNumber from) Durably persist previously appended data starting from the provided SequenceNumber and up to the latest change added.

org.apache.flink.runtime.state.heap中SnapshotResult的使用

返回变量类型为SnapshotResult的类型的org.apache.flink.runtime.state.heap中的方法

限定符和类型	方法和说明
RunnableFuture<SnapshotResult<KeyedStateHandle>>	HeapKeyedStateBackend.snapshot(long checkpointId, long timestamp, CheckpointStreamFactory streamFactory, CheckpointOptions checkpointOptions)