org.osgl

Class Lang.Tuple<A,B>

java.lang.Object

org.osgl.Lang.Tuple<A,B>

Direct Known Subclasses:

Lang.Binary

Enclosing class:

Lang

public static class Lang.Tuple<A,B>
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
A	_1
B	_2

Constructor Summary

Constructors

Constructor and Description
Tuple(A _1, B _2)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
A	first()
int	hashCode()
B	last()
A	left()
B	right()
B	second()
Lang.T2<A,B>	set1(A a)
Lang.T2<A,B>	set2(B b)
C.List	toList()
Map<A,B>	toMap() Convert this Tuple instance into a Map with one key,value pair.
static <K,V> Map<K,V>	toMap(Collection<Lang.Tuple<K,V>> list) Convert a list of Tuple instances into a Map.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

_1

public final A _1

_2

public final B _2

Constructor Detail

Tuple

public Tuple(A _1,
             B _2)

Method Detail

equals

public boolean equals(Object o)

Overrides:

equals in class Object

left

public final A left()

right

public final B right()

first

public A first()

second

public B second()

last

public B last()

set1

public Lang.T2<A,B> set1(A a)

set2

public Lang.T2<A,B> set2(B b)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

toList

public C.List toList()

toMap

public Map<A,B> toMap()

Convert this Tuple instance into a Map with one key,value pair. Where key is _1 and value is _2;

Returns:

the Map as described

toMap

public static <K,V> Map<K,V> toMap(Collection<Lang.Tuple<K,V>> list)

Convert a list of Tuple instances into a Map. Where key is _1 and value is _2;

Note that the size of the returned Map might be lesser than the size of the tuple list if there are multiple _1 has the same value, and the last one is the winner and it’s _2 will be put into the Map

Type Parameters:

K - the key type

V - the value type

Parameters:

list - the list of tuples to be transformed into Map

Returns:

the Map as described