ml.shifu.guagua.master
类 AbstractMasterCoordinator.FailOverCommand

java.lang.Object
  ml.shifu.guagua.BasicCoordinator.BasicCoordinatorCommand
      ml.shifu.guagua.master.AbstractMasterCoordinator.FailOverCommand

所有已实现的接口：

BasicCoordinator.CoordinatorCommand

包容类：

AbstractMasterCoordinator<MASTER_RESULT extends Bytable,WORKER_RESULT extends Bytable>

protected class AbstractMasterCoordinator.FailOverCommand
extends BasicCoordinator.BasicCoordinatorCommand

AbstractMasterCoordinator.FailOverCommand is used to read last iteration before task failed.

To read last iteration, just read all iterations from master znodes and get the maximal one.

Master znodes should be set as persistent type.

构造方法摘要

AbstractMasterCoordinator.FailOverCommand(MasterContext<MASTER_RESULT,WORKER_RESULT> context)

方法摘要

void	doExecute() Real method to do coordinator operation.

从类 ml.shifu.guagua.BasicCoordinator.BasicCoordinatorCommand 继承的方法

execute

从类 java.lang.Object 继承的方法

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

构造方法详细信息

AbstractMasterCoordinator.FailOverCommand

public AbstractMasterCoordinator.FailOverCommand(MasterContext<MASTER_RESULT,WORKER_RESULT> context)

方法详细信息

doExecute

public void doExecute()
               throws org.apache.zookeeper.KeeperException,
                      InterruptedException

从类 BasicCoordinator.BasicCoordinatorCommand 复制的描述

Real method to do coordinator operation.

指定者：

类 BasicCoordinator.BasicCoordinatorCommand 中的 doExecute

抛出：

org.apache.zookeeper.KeeperException

InterruptedException