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

java.lang.Object
  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.ColumnChainInfo

All Implemented Interfaces:

Cloneable

public class ColumnChainInfo
extends Object
implements Cloneable

Constructor Summary

ColumnChainInfo()

Method Summary

Object	clone()
boolean	equals(Object o2)
ColumnInfo	getColumnInfo(int i)
List<ColumnInfo>	getColumnInfos()
int	hashCode()
void	insert(int startCol, byte type) Insert new ColumnInfo for a project-star or project-range-to-end
void	insert(List<Integer> columns, byte type)
void	insertColumnChainInfo(ColumnChainInfo columnChainInfo)
void	insertInReduce(POProject project)
int	size()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnChainInfo

public ColumnChainInfo()

Method Detail

equals

public boolean equals(Object o2)

Overrides:

equals in class Object

insert

public void insert(List<Integer> columns,
                   byte type)

insert

public void insert(int startCol,
                   byte type)

Insert new ColumnInfo for a project-star or project-range-to-end

Parameters:

startCol -

type -

insertInReduce

public void insertInReduce(POProject project)

insertColumnChainInfo

public void insertColumnChainInfo(ColumnChainInfo columnChainInfo)

getColumnInfos

public List<ColumnInfo> getColumnInfos()

toString

public String toString()

Overrides:

toString in class Object

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class Object

Throws:

CloneNotSupportedException

size

public int size()

getColumnInfo

public ColumnInfo getColumnInfo(int i)

hashCode

public int hashCode()

Overrides:

hashCode in class Object