org.apache.pig.impl.plan

Class OperatorKey

java.lang.Object

org.apache.pig.impl.plan.OperatorKey

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<OperatorKey>

public class OperatorKey
extends java.lang.Object
implements java.io.Serializable, java.lang.Comparable<OperatorKey>

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
long	id
java.lang.String	scope

Constructor Summary

Constructors

Constructor and Description
OperatorKey()
OperatorKey(java.lang.String scope, long id)

Method Summary

Modifier and Type	Method and Description
int	compareTo(OperatorKey o)
boolean	equals(java.lang.Object obj)
static OperatorKey	fromString(java.lang.String op)
static OperatorKey	genOpKey(java.lang.String scope) Utility function for creating operator keys.
long	getId()
java.lang.String	getScope()
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

scope

public java.lang.String scope

id

public long id

Constructor Detail

OperatorKey

public OperatorKey()

OperatorKey

public OperatorKey(java.lang.String scope,
                   long id)

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getScope

public java.lang.String getScope()

getId

public long getId()

compareTo

public int compareTo(OperatorKey o)

Specified by:

compareTo in interface java.lang.Comparable<OperatorKey>

genOpKey

public static OperatorKey genOpKey(java.lang.String scope)

Utility function for creating operator keys.

Parameters:

scope - Scope to use in creating the key.

Returns:

new operator key.

fromString

public static OperatorKey fromString(java.lang.String op)