Package org.apache.hadoop.util

Class MaprShellCommandExecutor

java.lang.Object

org.apache.hadoop.util.MaprShellCommandExecutor

public class MaprShellCommandExecutor
extends java.lang.Object

A base class for running a maprcli unix command. By defaults add maprcli prefix and -json suffix to all commands

Constructor Summary

Constructors

Constructor	Description
MaprShellCommandExecutor()

Method Summary

Modifier and Type	Method	Description
protected java.lang.String[]	createArgs(java.lang.String[] command, java.util.Map<java.lang.String,java.lang.String> params, boolean skipMaprcli)
com.google.gson.JsonArray	execute(java.lang.String[] command, java.util.Map<java.lang.String,java.lang.String> params, boolean skipMaprcli)	Call maprcli command on cluster.
protected void	setCommandExecutor(Shell.ShellCommandExecutor executor)

Methods inherited from class java.lang.Object

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

Constructor Detail

MaprShellCommandExecutor

public MaprShellCommandExecutor()

Method Detail

execute

public com.google.gson.JsonArray execute(java.lang.String[] command,
                                         java.util.Map<java.lang.String,java.lang.String> params,
                                         boolean skipMaprcli)
                                  throws java.io.IOException

Call maprcli command on cluster.

Parameters:

command - commands passed by client

params - extra command params

Returns:

json object which contains response data

Throws:

java.io.IOException

setCommandExecutor

@VisibleForTesting
protected void setCommandExecutor(Shell.ShellCommandExecutor executor)

createArgs

@VisibleForTesting
protected java.lang.String[] createArgs(java.lang.String[] command,
                                        java.util.Map<java.lang.String,java.lang.String> params,
                                        boolean skipMaprcli)

Parameters:

command - commands passed by client

params - command parameters

Returns:

full maprcli command