org.apache.spark.util

Class MutablePair<T1,T2>

java.lang.Object

org.apache.spark.util.MutablePair<T1,T2>

All Implemented Interfaces:

java.io.Serializable, scala.Equals, scala.Product, scala.Product2<T1,T2>

public class MutablePair<T1,T2>
extends java.lang.Object
implements scala.Product2<T1,T2>, scala.Product, scala.Serializable

:: DeveloperApi :: A tuple of 2 elements. This can be used as an alternative to Scala's Tuple2 when we want to minimize object allocation.

param: _1 Element 1 of this MutablePair param: _2 Element 2 of this MutablePair

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MutablePair() No-arg constructor for serialization
MutablePair(T1 _1, T2 _2)

Method Summary

Methods

Modifier and Type	Method and Description
T1	_1()
T2	_2()
boolean	canEqual(java.lang.Object that)
java.lang.String	toString()
MutablePair<T1,T2>	update(T1 n1, T2 n2) Updates this pair with new values and returns itself

Methods inherited from class java.lang.Object

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

Methods inherited from interface scala.Product2

_1$mcD$sp, _1$mcI$sp, _1$mcJ$sp, _2$mcD$sp, _2$mcI$sp, _2$mcJ$sp, productArity, productElement

Methods inherited from interface scala.Product

productIterator, productPrefix

Methods inherited from interface scala.Equals

equals

Constructor Detail

MutablePair

public MutablePair(T1 _1,
           T2 _2)

MutablePair

public MutablePair()

No-arg constructor for serialization

Method Detail

_1

public T1 _1()

Specified by:

_1 in interface scala.Product2<T1,T2>

_2

public T2 _2()

Specified by:

_2 in interface scala.Product2<T1,T2>

update

public MutablePair<T1,T2> update(T1 n1,
                        T2 n2)

Updates this pair with new values and returns itself

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

canEqual

public boolean canEqual(java.lang.Object that)

Specified by:

canEqual in interface scala.Equals