io.apigee.trireme.samples.hadoop

Class HadoopBase

java.lang.Object

org.apache.hadoop.mapred.MapReduceBase

io.apigee.trireme.samples.hadoop.HadoopBase

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.mapred.JobConfigurable

Direct Known Subclasses:

HadoopMapper, HadoopReducer

public class HadoopBase
extends org.apache.hadoop.mapred.MapReduceBase

Field Summary

Fields

Modifier and Type	Field and Description
protected NodeEnvironment	env
protected org.mozilla.javascript.Scriptable	module
protected ScriptFuture	runningScript
static java.lang.String	SCRIPT_FILE_KEY
protected java.lang.String	scriptFileName

Constructor Summary

Constructors

Constructor and Description
HadoopBase()

Method Summary

Modifier and Type	Method and Description
void	configure(org.apache.hadoop.mapred.JobConf conf)
protected void	startNodeModule() Launch Noderunner.
protected void	stopNodeModule()

Methods inherited from class org.apache.hadoop.mapred.MapReduceBase

close

Methods inherited from class java.lang.Object

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

Field Detail

SCRIPT_FILE_KEY

public static final java.lang.String SCRIPT_FILE_KEY

See Also:

Constant Field Values

runningScript

protected ScriptFuture runningScript

scriptFileName

protected java.lang.String scriptFileName

module

protected org.mozilla.javascript.Scriptable module

env

protected NodeEnvironment env

Constructor Detail

HadoopBase

public HadoopBase()

Method Detail

configure

public void configure(org.apache.hadoop.mapred.JobConf conf)

Specified by:

configure in interface org.apache.hadoop.mapred.JobConfigurable

Overrides:

configure in class org.apache.hadoop.mapred.MapReduceBase

startNodeModule

protected void startNodeModule()
                        throws NodeException,
                               java.lang.InterruptedException,
                               java.util.concurrent.ExecutionException

Launch Noderunner.

Throws:

NodeException

java.lang.InterruptedException

java.util.concurrent.ExecutionException

stopNodeModule

protected void stopNodeModule()