Package org.apache.hadoop.tools.mapred

Class RetriableDirectoryCreateCommand

java.lang.Object

org.apache.hadoop.tools.util.RetriableCommand

org.apache.hadoop.tools.mapred.RetriableDirectoryCreateCommand

public class RetriableDirectoryCreateCommand
extends RetriableCommand

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

Field Summary

Fields inherited from class org.apache.hadoop.tools.util.RetriableCommand

description

Constructor Summary

Constructors

Constructor	Description
RetriableDirectoryCreateCommand(java.lang.String description)	Constructor, taking a description of the action.

Method Summary

Modifier and Type	Method	Description
protected java.lang.Object	doExecute(java.lang.Object... arguments)	Implementation of RetriableCommand::doExecute().

Methods inherited from class org.apache.hadoop.tools.util.RetriableCommand

execute, setRetryPolicy

Methods inherited from class java.lang.Object

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

Constructor Detail

RetriableDirectoryCreateCommand

public RetriableDirectoryCreateCommand(java.lang.String description)

Constructor, taking a description of the action.

Parameters:

description - Verbose description of the copy operation.

Method Detail

doExecute

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

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

Specified by:

doExecute in class RetriableCommand

Parameters:

arguments - Argument-list to the command.

Returns:

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

Throws:

java.lang.Exception - IOException, on failure to create the directory.