org.apache.hadoop.tools.distcp2.mapred

类 RetriableDirectoryCreateCommand

java.lang.Object

org.apache.hadoop.tools.distcp2.util.RetriableCommand

org.apache.hadoop.tools.distcp2.mapred.RetriableDirectoryCreateCommand

public class RetriableDirectoryCreateCommand
extends RetriableCommand

This class extends Retriable command to implement the creation of directories with retries on failure.

字段概要

从类继承的字段 org.apache.hadoop.tools.distcp2.util.RetriableCommand

description

构造器概要

构造器

构造器和说明
RetriableDirectoryCreateCommand(String description) Constructor, taking a description of the action.

方法概要

方法

限定符和类型	方法和说明
protected Object	doExecute(Object... arguments) Implementation of RetriableCommand::doExecute().

从类继承的方法 org.apache.hadoop.tools.distcp2.util.RetriableCommand

execute, setRetryPolicy

从类继承的方法 java.lang.Object

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

构造器详细资料

RetriableDirectoryCreateCommand

public RetriableDirectoryCreateCommand(String description)

Constructor, taking a description of the action.

参数:

description - Verbose description of the copy operation.

方法详细资料

doExecute

protected Object doExecute(Object... arguments)
                    throws Exception

Implementation of RetriableCommand::doExecute(). This implements the actual mkdirs() functionality.

指定者:

doExecute 在类中 RetriableCommand

参数:

arguments - Argument-list to the command.

返回:

Boolean. True, if the directory could be created successfully.

抛出:

Exception - IOException, on failure to create the directory.