org.springframework.data.hadoop.pig
Class PigRunner

java.lang.Object
  org.springframework.data.hadoop.pig.PigExecutor
      org.springframework.data.hadoop.pig.PigRunner

All Implemented Interfaces:

java.util.concurrent.Callable<java.util.List<org.apache.pig.backend.executionengine.ExecJob>>, org.springframework.beans.factory.InitializingBean

public class PigRunner
extends PigExecutor
implements java.util.concurrent.Callable<java.util.List<org.apache.pig.backend.executionengine.ExecJob>>

Basic runner of Pig scripts inside a Spring environment. For more advanced functionality, consider using Spring Batch and the PigTasklet.

To make the runner execute at startup, use setRunAtStartup(boolean).

Author:

Costin Leau

Constructor Summary

PigRunner()

Method Summary

void	afterPropertiesSet()
java.util.List<org.apache.pig.backend.executionengine.ExecJob>	call()
void	setPostAction(java.util.Collection<java.util.concurrent.Callable<?>> actions) Actions to be invoked after running the action.
void	setPreAction(java.util.Collection<java.util.concurrent.Callable<?>> actions) Actions to be invoked before running the action.
void	setRunAtStartup(boolean runAtStartup) Indicates whether the scripts should run at container startup or not (the default).

Methods inherited from class org.springframework.data.hadoop.pig.PigExecutor

executePigScripts, setPigFactory, setPigTemplate, setScripts

Methods inherited from class java.lang.Object

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

Constructor Detail

PigRunner

public PigRunner()

Method Detail

afterPropertiesSet

public void afterPropertiesSet()
                        throws java.lang.Exception

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

Overrides:

afterPropertiesSet in class PigExecutor

Throws:

java.lang.Exception

call

public java.util.List<org.apache.pig.backend.executionengine.ExecJob> call()
                                                                    throws java.lang.Exception

Specified by:

call in interface java.util.concurrent.Callable<java.util.List<org.apache.pig.backend.executionengine.ExecJob>>

Throws:

java.lang.Exception

setRunAtStartup

public void setRunAtStartup(boolean runAtStartup)

Indicates whether the scripts should run at container startup or not (the default).

Parameters:

runAtStartup - The runAtStartup to set.

setPreAction

public void setPreAction(java.util.Collection<java.util.concurrent.Callable<?>> actions)

Actions to be invoked before running the action.

Parameters:

actions - actions

setPostAction

public void setPostAction(java.util.Collection<java.util.concurrent.Callable<?>> actions)

Actions to be invoked after running the action.

Parameters:

actions - actions