org.apache.hadoop.hbase.coordination

Interface ZKSplitLogManagerCoordination.TaskFinisher

Enclosing class:

ZKSplitLogManagerCoordination

public static interface ZKSplitLogManagerCoordination.TaskFinisher

SplitLogManager can use objects implementing this interface to finish off a partially done task by SplitLogWorker. This provides a serialization point at the end of the task processing. Must be restartable and idempotent.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ZKSplitLogManagerCoordination.TaskFinisher.Status status that can be returned finish()

Method Summary

Modifier and Type	Method and Description
ZKSplitLogManagerCoordination.TaskFinisher.Status	finish(ServerName workerName, String taskname) finish the partially done task.

Method Detail

finish

ZKSplitLogManagerCoordination.TaskFinisher.Status finish(ServerName workerName,
                                                         String taskname)

finish the partially done task. workername provides clue to where the partial results of the partially done tasks are present. taskname is the name of the task that was put up in zookeeper.

nn * @return DONE if task completed successfully, ERR otherwise