org.apache.pig.scripting.groovy
Class GroovyUtils

java.lang.Object
  org.apache.pig.scripting.groovy.GroovyUtils

public class GroovyUtils
extends Object

Nested Class Summary

static class

GroovyUtils.DataBagGroovyIterator

Constructor Summary

GroovyUtils()

Method Summary

static Object	groovyToPig(Object groovyObject) Converts an object created on the Groovy side to its Pig counterpart.
static Object	pigToGroovy(Object pigObject) Converts an object created on the Pig side to its Groovy counterpart.

Methods inherited from class java.lang.Object

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

Constructor Detail

GroovyUtils

public GroovyUtils()

Method Detail

groovyToPig

public static Object groovyToPig(Object groovyObject)
                          throws ExecException

Converts an object created on the Groovy side to its Pig counterpart. The conversions are as follow: Groovy Pig Object[] Tuple groovy.lang.Tuple Tuple org.apache.pig.data.Tuple Tuple org.apache.pig.data.DataBag DataBag java.util.Map Map java.util.List DataBag Byte/Short/Integer int Long long Float float Double double BigInteger BigInteger BigDecimal BigDecimal String chararray byte[] DataByteArray (copy) Boolean boolean org.joda.time.DateTime org.joda.time.DateTime null null anything else raises an exception

Parameters:

groovyObject - Groovy object to convert

Returns:

the Pig counterpart of groovyObject

Throws:

ExecException

pigToGroovy

public static Object pigToGroovy(Object pigObject)
                          throws ExecException

Converts an object created on the Pig side to its Groovy counterpart. The conversions are as follow: Pig Groovy Tuple groovy.lang.tuple DataBag groovy.lang.Tuple containing the bag's size and an iterator on its content Map java.util.Map int/long/float/double as is chararray String bytearray byte[] (copy) boolean boolean BigInteger BigInteger BigDecimal BigDecimal org.joda.time.DateTime org.joda.time.DateTime null null anything else raises an exception

Parameters:

pigObject -

Returns:

Object

Throws:

ExecException