org.apache.flink.runtime.checkpoint.filemerging

类 FileMergingSnapshotManager.SubtaskKey

java.lang.Object

org.apache.flink.runtime.checkpoint.filemerging.FileMergingSnapshotManager.SubtaskKey

封闭接口:

FileMergingSnapshotManager

public static final class FileMergingSnapshotManager.SubtaskKey
extends Object

A key identifies a subtask. A subtask can be identified by the operator id, subtask index and the parallelism. Note that this key should be consistent across job attempts.

构造器概要

构造器

构造器和说明
SubtaskKey(org.apache.flink.api.common.JobID jobID, OperatorID operatorID, org.apache.flink.api.common.TaskInfo taskInfo)
SubtaskKey(String jobIDString, String operatorIDString, int subtaskIndex, int parallelism)

方法概要

限定符和类型	方法和说明
boolean	equals(Object o)
String	getJobIDString()
String	getManagedDirName() Generate an unique managed directory name for one subtask.
int	hashCode()
static FileMergingSnapshotManager.SubtaskKey	of(Environment environment)
String	toString()

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

SubtaskKey

public SubtaskKey(org.apache.flink.api.common.JobID jobID,
                  OperatorID operatorID,
                  org.apache.flink.api.common.TaskInfo taskInfo)

SubtaskKey

@VisibleForTesting
public SubtaskKey(String jobIDString,
                                     String operatorIDString,
                                     int subtaskIndex,
                                     int parallelism)

方法详细资料

of

public static FileMergingSnapshotManager.SubtaskKey of(Environment environment)

getJobIDString

@VisibleForTesting
public String getJobIDString()

getManagedDirName

public String getManagedDirName()

Generate an unique managed directory name for one subtask.

返回:

the managed directory name.

equals

public boolean equals(Object o)

覆盖:

equals 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object

toString

public String toString()

覆盖:

toString 在类中 Object