org.apache.pig

Class SortColInfo

java.lang.Object

org.apache.pig.SortColInfo

All Implemented Interfaces:

Serializable

@InterfaceAudience.Private
@InterfaceStability.Unstable
public class SortColInfo
extends Object
implements Serializable

A class representing information about a sort column in SortInfo

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SortColInfo.Order

Constructor Summary

Constructors

Constructor and Description
SortColInfo(String colName, int colIndex, SortColInfo.Order orderingType)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	getColIndex()
String	getColName()
SortColInfo.Order	getSortOrder()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SortColInfo

public SortColInfo(String colName,
           int colIndex,
           SortColInfo.Order orderingType)

Parameters:

colName - sort column name

colIndex - index position (0 based) of sort column

orderingType - whether the column is sorted ascending or descending

Method Detail

getColName

public String getColName()

Returns:

the sort column name - could be null or empty string if column name could not be determined either because of the absence of a schema or because the schema had the column name as null or empty string - caller should check for these conditions.

getColIndex

public int getColIndex()

Returns:

index position (0 based) of sort column

getSortOrder

public SortColInfo.Order getSortOrder()

Returns:

whether the column is sorted ascending or descending

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object