Package org.apache.spark.util

Class MutablePair<T1,T2>

Object

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

All Implemented Interfaces:

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

public class MutablePair<T1,T2>
extends Object
implements scala.Product2<T1,T2>, scala.Product, 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	Description
MutablePair()	No-arg constructor for serialization
MutablePair(T1 _1, T2 _2)

Method Summary

Modifier and Type	Method	Description
T1	_1()
T2	_2()
boolean	canEqual(Object that)
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

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface scala.Equals

equals

Methods inherited from interface scala.Product

productElementName, productElementNames, productIterator, productPrefix

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

Constructor Details

MutablePair

public MutablePair(T1 _1,
 T2 _2)

MutablePair

public MutablePair()

No-arg constructor for serialization

Method Details

_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 String toString()

Overrides:

toString in class Object

canEqual

public boolean canEqual(Object that)

Specified by:

canEqual in interface scala.Equals