org.apache.flink.runtime.state

类 ChangelogTaskLocalStateStore

java.lang.Object

org.apache.flink.runtime.state.TaskLocalStateStoreImpl

org.apache.flink.runtime.state.ChangelogTaskLocalStateStore

所有已实现的接口:

OwnedTaskLocalStateStore, TaskLocalStateStore

public class ChangelogTaskLocalStateStore
extends TaskLocalStateStoreImpl

Changelog's implementation of a TaskLocalStateStore.

字段概要

从类继承的字段 org.apache.flink.runtime.state.TaskLocalStateStoreImpl

allocationID, discardExecutor, disposed, jobID, jobVertexID, localRecoveryConfig, lock, storedTaskStateByCheckpointID, subtaskIndex, TASK_STATE_SNAPSHOT_FILENAME

构造器概要

构造器

构造器和说明
ChangelogTaskLocalStateStore(org.apache.flink.api.common.JobID jobID, AllocationID allocationID, JobVertexID jobVertexID, int subtaskIndex, LocalRecoveryConfig localRecoveryConfig, Executor discardExecutor)

方法概要

限定符和类型	方法和说明
CompletableFuture<Void>	dispose() Disposes the state of all local snapshots managed by this object.
protected File	getCheckpointDirectory(long checkpointId)
static org.apache.flink.core.fs.Path	getLocalTaskOwnedDirectory(LocalRecoveryDirectoryProvider provider, org.apache.flink.api.common.JobID jobID)
void	pruneCheckpoints(java.util.function.LongPredicate pruningChecker, boolean breakOnceCheckerFalse) Pruning the useless checkpoints, it should be called only when holding the TaskLocalStateStoreImpl.lock.
void	storeLocalState(long checkpointId, TaskStateSnapshot localState) Stores the local state for the given checkpoint id.
String	toString()

从类继承的方法 org.apache.flink.runtime.state.TaskLocalStateStoreImpl

abortCheckpoint, confirmCheckpoint, deleteDirectory, getLocalRecoveryConfig, getLocalRecoveryDirectoryProvider, pruneMatchingCheckpoints, retrieveLocalState

从类继承的方法 java.lang.Object

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

构造器详细资料

ChangelogTaskLocalStateStore

public ChangelogTaskLocalStateStore(@Nonnull
                                    org.apache.flink.api.common.JobID jobID,
                                    @Nonnull
                                    AllocationID allocationID,
                                    @Nonnull
                                    JobVertexID jobVertexID,
                                    @Nonnegative
                                    int subtaskIndex,
                                    @Nonnull
                                    LocalRecoveryConfig localRecoveryConfig,
                                    @Nonnull
                                    Executor discardExecutor)

方法详细资料

getLocalTaskOwnedDirectory

public static org.apache.flink.core.fs.Path getLocalTaskOwnedDirectory(LocalRecoveryDirectoryProvider provider,
                                                                       org.apache.flink.api.common.JobID jobID)

storeLocalState

public void storeLocalState(long checkpointId,
                            @Nullable
                            TaskStateSnapshot localState)

从接口复制的说明: TaskLocalStateStore

Stores the local state for the given checkpoint id.

指定者:

storeLocalState 在接口中 TaskLocalStateStore

覆盖:

storeLocalState 在类中 TaskLocalStateStoreImpl

参数:

checkpointId - id for the checkpoint that created the local state that will be stored.

localState - the local state to store.

getCheckpointDirectory

protected File getCheckpointDirectory(long checkpointId)

覆盖:

getCheckpointDirectory 在类中 TaskLocalStateStoreImpl

pruneCheckpoints

public void pruneCheckpoints(java.util.function.LongPredicate pruningChecker,
                             boolean breakOnceCheckerFalse)

从类复制的说明: TaskLocalStateStoreImpl

Pruning the useless checkpoints, it should be called only when holding the TaskLocalStateStoreImpl.lock.

覆盖:

pruneCheckpoints 在类中 TaskLocalStateStoreImpl

dispose

public CompletableFuture<Void> dispose()

从类复制的说明: TaskLocalStateStoreImpl

Disposes the state of all local snapshots managed by this object.

指定者:

dispose 在接口中 OwnedTaskLocalStateStore

覆盖:

dispose 在类中 TaskLocalStateStoreImpl

toString

public String toString()

覆盖:

toString 在类中 TaskLocalStateStoreImpl