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org.apache.oozie.action.hadoop
Class PigMain

java.lang.Object
  org.apache.oozie.action.hadoop.LauncherMain
      org.apache.oozie.action.hadoop.PigMain

public class PigMain
extends LauncherMain

Field Summary

static String	ACTION_PREFIX
static String	EXTERNAL_ACTION_STATS
static String	EXTERNAL_CHILD_IDS
static String	EXTERNAL_STATS_WRITE
static int	STRING_BUFFER_SIZE

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

HADOOP_JOBS

Constructor Summary

PigMain()

Method Summary

protected String	getHadoopJobIds(org.apache.pig.tools.pigstats.PigStats pigStats) Get Hadoop Ids through PigStats API
static void	main(String[] args)
protected void	run(String[] args)
protected void	runPigJob(String[] args, String pigLog, boolean resetSecurityManager, boolean retrieveStats) Runs the pig script using PigRunner API if version 0.8 or above.
static void	setPigScript(org.apache.hadoop.conf.Configuration conf, String script, String[] params, String[] args)

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

getHadoopJobIds, logMasking, run

Methods inherited from class java.lang.Object

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

Field Detail

ACTION_PREFIX

public static final String ACTION_PREFIX

See Also:

Constant Field Values

EXTERNAL_CHILD_IDS

public static final String EXTERNAL_CHILD_IDS

See Also:

Constant Field Values

EXTERNAL_ACTION_STATS

public static final String EXTERNAL_ACTION_STATS

See Also:

Constant Field Values

EXTERNAL_STATS_WRITE

public static final String EXTERNAL_STATS_WRITE

See Also:

Constant Field Values

STRING_BUFFER_SIZE

public static final int STRING_BUFFER_SIZE

See Also:

Constant Field Values

Constructor Detail

PigMain

public PigMain()

Method Detail

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

run

protected void run(String[] args)
            throws Exception

Specified by:

run in class LauncherMain

Throws:

Exception

runPigJob

protected void runPigJob(String[] args,
                         String pigLog,
                         boolean resetSecurityManager,
                         boolean retrieveStats)
                  throws Exception

Runs the pig script using PigRunner API if version 0.8 or above. Embedded pig within python is also supported.

Parameters:

args - pig command line arguments

pigLog - pig log file

resetSecurityManager - specify if need to reset security manager

retrieveStats - specify if stats are to be retrieved

Throws:

Exception

setPigScript

public static void setPigScript(org.apache.hadoop.conf.Configuration conf,
                                String script,
                                String[] params,
                                String[] args)

getHadoopJobIds

protected String getHadoopJobIds(org.apache.pig.tools.pigstats.PigStats pigStats)

Get Hadoop Ids through PigStats API

Parameters:

pigStats - stats object obtained through PigStats API

Returns:

comma-separated String