org.apache.oozie.action.hadoop
Class MapReduceActionExecutor

java.lang.Object
  org.apache.oozie.action.ActionExecutor
      org.apache.oozie.action.hadoop.JavaActionExecutor
          org.apache.oozie.action.hadoop.MapReduceActionExecutor

public class MapReduceActionExecutor
extends JavaActionExecutor

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.oozie.action.ActionExecutor

ActionExecutor.Context

Field Summary

static String	HADOOP_COUNTERS
static String	OOZIE_ACTION_EXTERNAL_STATS_WRITE
static String	OOZIE_MAPREDUCE_UBER_JAR_ENABLE

Fields inherited from class org.apache.oozie.action.hadoop.JavaActionExecutor

ACL_MODIFY_JOB, ACL_VIEW_JOB, HADOOP_JOB_TRACKER, HADOOP_JOB_TRACKER_2, HADOOP_NAME_NODE, HADOOP_YARN_RM, MAX_EXTERNAL_STATS_SIZE, MAX_EXTERNAL_STATS_SIZE_DEFAULT, OOZIE_ACTION_SHIP_LAUNCHER_JAR, OOZIE_COMMON_LIBDIR

Fields inherited from class org.apache.oozie.action.ActionExecutor

CONF_PREFIX, ERROR_OTHER, MAX_RETRIES, requiresNNJT, RETRY_INTERVAL

Constructor Summary

MapReduceActionExecutor()

Method Summary

void	end(ActionExecutor.Context context, org.apache.oozie.client.WorkflowAction action) End an action after it has executed.
protected String	getDefaultShareLibName(org.jdom.Element actionXml) Return the sharelib name for the action.
protected List<Class>	getLauncherClasses()
protected String	getLauncherMain(org.apache.hadoop.conf.Configuration launcherConf, org.jdom.Element actionXml)
protected org.apache.hadoop.mapred.RunningJob	getRunningJob(ActionExecutor.Context context, org.apache.oozie.client.WorkflowAction action, org.apache.hadoop.mapred.JobClient jobClient)
static void	setStreaming(org.apache.hadoop.conf.Configuration conf, String mapper, String reducer, String recordReader, String[] recordReaderMapping, String[] env)

Methods inherited from class org.apache.oozie.action.hadoop.JavaActionExecutor

addActionLibs, addShareLib, check, createBaseHadoopConf, createJobClient, createLauncherJar, getActionCredentialsProperties, getActionData, getCaptureOutput, getCredProperties, getLauncherJarName, getMaxExternalStatsSize, getShareLibNames, initActionType, isCompleted, kill, parseJobXmlAndConfiguration, prepareActionDir, setActionCompletionData, setCredentialPropertyToActionConf, setCredentialTokens, start, submitLauncher

Methods inherited from class org.apache.oozie.action.ActionExecutor

convertException, disableInit, enableInit, getActionDir, getActionDirPath, getActionSignal, getMaxRetries, getOozieConf, getOozieRuntimeDir, getOozieSystemId, getRetryInterval, getType, registerError, resetInitInfo, setMaxRetries, setRetryInterval

Methods inherited from class java.lang.Object

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

Field Detail

OOZIE_ACTION_EXTERNAL_STATS_WRITE

public static final String OOZIE_ACTION_EXTERNAL_STATS_WRITE

See Also:

Constant Field Values

HADOOP_COUNTERS

public static final String HADOOP_COUNTERS

See Also:

Constant Field Values

OOZIE_MAPREDUCE_UBER_JAR_ENABLE

public static final String OOZIE_MAPREDUCE_UBER_JAR_ENABLE

See Also:

Constant Field Values

Constructor Detail

MapReduceActionExecutor

public MapReduceActionExecutor()

Method Detail

getLauncherClasses

protected List<Class> getLauncherClasses()

Overrides:

getLauncherClasses in class JavaActionExecutor

getLauncherMain

protected String getLauncherMain(org.apache.hadoop.conf.Configuration launcherConf,
                                 org.jdom.Element actionXml)

Overrides:

getLauncherMain in class JavaActionExecutor

end

public void end(ActionExecutor.Context context,
                org.apache.oozie.client.WorkflowAction action)
         throws ActionExecutorException

Description copied from class: ActionExecutor

End an action after it has executed.

The ActionExecutor.Context.setEndData(org.apache.oozie.client.WorkflowAction.Status, java.lang.String) method must be called within this method.

Overrides:

end in class JavaActionExecutor

Parameters:

context - executor context.

action - the action to end.

Throws:

ActionExecutorException - thrown if the action could not end.

getDefaultShareLibName

protected String getDefaultShareLibName(org.jdom.Element actionXml)

Return the sharelib name for the action.

Overrides:

getDefaultShareLibName in class JavaActionExecutor

Parameters:

actionXml -

Returns:

returns streaming if mapreduce-streaming action, NULL otherwise.

setStreaming

public static void setStreaming(org.apache.hadoop.conf.Configuration conf,
                                String mapper,
                                String reducer,
                                String recordReader,
                                String[] recordReaderMapping,
                                String[] env)

getRunningJob

protected org.apache.hadoop.mapred.RunningJob getRunningJob(ActionExecutor.Context context,
                                                            org.apache.oozie.client.WorkflowAction action,
                                                            org.apache.hadoop.mapred.JobClient jobClient)
                                                     throws Exception

Overrides:

getRunningJob in class JavaActionExecutor

Throws:

Exception