org.apache.pig.backend.hadoop.executionengine.mapReduceLayer

Class ColumnInfo

java.lang.Object

org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.ColumnInfo

All Implemented Interfaces:

java.lang.Cloneable

public class ColumnInfo
extends java.lang.Object
implements java.lang.Cloneable

Constructor Summary

Constructors

Constructor and Description
ColumnInfo(int startCol, byte type) Constructor for range projection or project-star
ColumnInfo(java.util.List<java.lang.Integer> columns, byte type)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone()
boolean	equals(java.lang.Object o2)
java.util.List<java.lang.Integer>	getColumns()
byte	getResultType()
int	getStartCol()
int	hashCode()
boolean	isRangeProject()
java.lang.String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ColumnInfo

public ColumnInfo(java.util.List<java.lang.Integer> columns,
                  byte type)

ColumnInfo

public ColumnInfo(int startCol,
                  byte type)

Constructor for range projection or project-star

Parameters:

startCol -

type -

Method Detail

getResultType

public byte getResultType()

getStartCol

public int getStartCol()

isRangeProject

public boolean isRangeProject()

getColumns

public java.util.List<java.lang.Integer> getColumns()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o2)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Overrides:

clone in class java.lang.Object

Throws:

java.lang.CloneNotSupportedException