org.apache.flink.connector.file.src.impl

类 ContinuousFileSplitEnumerator

java.lang.Object

org.apache.flink.connector.file.src.impl.ContinuousFileSplitEnumerator

所有已实现的接口:

AutoCloseable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.api.connector.source.SplitEnumerator<FileSourceSplit,PendingSplitsCheckpoint<FileSourceSplit>>

@Internal
public class ContinuousFileSplitEnumerator
extends Object
implements org.apache.flink.api.connector.source.SplitEnumerator<FileSourceSplit,PendingSplitsCheckpoint<FileSourceSplit>>

A continuously monitoring enumerator.

构造器概要

构造器

构造器和说明
ContinuousFileSplitEnumerator(org.apache.flink.api.connector.source.SplitEnumeratorContext<FileSourceSplit> context, FileEnumerator enumerator, FileSplitAssigner splitAssigner, org.apache.flink.core.fs.Path[] paths, Collection<org.apache.flink.core.fs.Path> alreadyDiscoveredPaths, long discoveryInterval)

方法概要

限定符和类型	方法和说明
void	addReader(int subtaskId)
void	addSplitsBack(List<FileSourceSplit> splits, int subtaskId)
void	close()
void	handleSourceEvent(int subtaskId, org.apache.flink.api.connector.source.SourceEvent sourceEvent)
void	handleSplitRequest(int subtaskId, String requesterHostname)
PendingSplitsCheckpoint<FileSourceSplit>	snapshotState(long checkpointId)
void	start()

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.api.connector.source.SplitEnumerator

notifyCheckpointComplete

从接口继承的方法 org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted

构造器详细资料

ContinuousFileSplitEnumerator

public ContinuousFileSplitEnumerator(org.apache.flink.api.connector.source.SplitEnumeratorContext<FileSourceSplit> context,
                                     FileEnumerator enumerator,
                                     FileSplitAssigner splitAssigner,
                                     org.apache.flink.core.fs.Path[] paths,
                                     Collection<org.apache.flink.core.fs.Path> alreadyDiscoveredPaths,
                                     long discoveryInterval)

方法详细资料

start

public void start()

指定者:

start 在接口中 org.apache.flink.api.connector.source.SplitEnumerator<FileSourceSplit,PendingSplitsCheckpoint<FileSourceSplit>>

close

public void close()
           throws IOException

指定者:

close 在接口中 AutoCloseable

指定者:

close 在接口中 org.apache.flink.api.connector.source.SplitEnumerator<FileSourceSplit,PendingSplitsCheckpoint<FileSourceSplit>>

抛出:

IOException

addReader

public void addReader(int subtaskId)

指定者:

addReader 在接口中 org.apache.flink.api.connector.source.SplitEnumerator<FileSourceSplit,PendingSplitsCheckpoint<FileSourceSplit>>

handleSplitRequest

public void handleSplitRequest(int subtaskId,
                               @Nullable
                               String requesterHostname)

指定者:

handleSplitRequest 在接口中 org.apache.flink.api.connector.source.SplitEnumerator<FileSourceSplit,PendingSplitsCheckpoint<FileSourceSplit>>

handleSourceEvent

public void handleSourceEvent(int subtaskId,
                              org.apache.flink.api.connector.source.SourceEvent sourceEvent)

指定者:

handleSourceEvent 在接口中 org.apache.flink.api.connector.source.SplitEnumerator<FileSourceSplit,PendingSplitsCheckpoint<FileSourceSplit>>

addSplitsBack

public void addSplitsBack(List<FileSourceSplit> splits,
                          int subtaskId)

指定者:

addSplitsBack 在接口中 org.apache.flink.api.connector.source.SplitEnumerator<FileSourceSplit,PendingSplitsCheckpoint<FileSourceSplit>>

snapshotState

public PendingSplitsCheckpoint<FileSourceSplit> snapshotState(long checkpointId)
                                                       throws Exception

指定者:

snapshotState 在接口中 org.apache.flink.api.connector.source.SplitEnumerator<FileSourceSplit,PendingSplitsCheckpoint<FileSourceSplit>>

抛出:

Exception