org.apache.pig.impl.util

Class CastUtils

java.lang.Object

org.apache.pig.impl.util.CastUtils

public class CastUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.logging.Log	mLog

Constructor Summary

Constructors

Constructor and Description
CastUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.Object	convertToType(LoadCaster caster, byte[] bytes, ResourceSchema.ResourceFieldSchema fieldSchema, byte dataType)
static java.lang.Boolean	stringToBoolean(java.lang.String str)
static java.lang.Double	stringToDouble(java.lang.String str)
static java.lang.Float	stringToFloat(java.lang.String str)
static java.lang.Integer	stringToInteger(java.lang.String str)
static java.lang.Long	stringToLong(java.lang.String str)

Methods inherited from class java.lang.Object

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

Field Detail

mLog

protected static final org.apache.commons.logging.Log mLog

Constructor Detail

CastUtils

public CastUtils()

Method Detail

convertToType

public static java.lang.Object convertToType(LoadCaster caster,
                                             byte[] bytes,
                                             ResourceSchema.ResourceFieldSchema fieldSchema,
                                             byte dataType)
                                      throws java.io.IOException

Parameters:

caster - LoadCaster to be used to convert the bytes into a field.

bytes -

fieldSchema - schema of Bag or Tuple; pass in null if a simple type.

dataType - type from DataType

Returns:

converted object.

Throws:

java.io.IOException

stringToDouble

public static java.lang.Double stringToDouble(java.lang.String str)

stringToFloat

public static java.lang.Float stringToFloat(java.lang.String str)

stringToInteger

public static java.lang.Integer stringToInteger(java.lang.String str)

stringToLong

public static java.lang.Long stringToLong(java.lang.String str)

stringToBoolean

public static java.lang.Boolean stringToBoolean(java.lang.String str)