at.molindo.utils.data

Class Pair<A,B>

java.lang.Object

at.molindo.utils.data.Pair<A,B>

All Implemented Interfaces:

java.io.Serializable

public class Pair<A,B>
extends java.lang.Object
implements java.io.Serializable

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Pair.PairCollectionBuilder<K,V>

Constructor Summary

Constructors

Constructor and Description
Pair() Contructs a pair holding two null values.
Pair(A a, B b) Contructs a pair holding the given objects.
Pair(java.util.Map.Entry<A,B> e)
Pair(Pair<A,B> p) Contructs a pair holding the objects of the given pair.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
A	getFirst()
A	getKey()
B	getSecond()
B	getValue()
int	hashCode()
static <T> T[]	keys(java.lang.Class<T> cls, PairList<? extends T,?> c)
static java.lang.Object[]	keys(PairList<?,?> c)
static <K,V> Pair<K,V>	pair() utility method to create pairs with implicit parameterization
static <K,V> Pair<K,V>	pair(K key, V val) utility method to create pairs with implicit parameterization
static <K,V> Pair.PairCollectionBuilder<K,V>	pairs()
static <K> Pair.PairCollectionBuilder<K,K>	pairs(java.lang.Class<K> kv)
static <K,V> Pair.PairCollectionBuilder<K,V>	pairs(java.lang.Class<K> k, java.lang.Class<V> v)
static <K,V> Pair.PairCollectionBuilder<K,V>	pairs(K k, V v)
void	setFirst(A first)
void	setSecond(B second)
static <K,V> java.util.HashMap<K,V>	toHashMap(java.util.List<Pair<K,V>> pairs)
java.lang.String	toString()
static <T> T[]	values(java.lang.Class<T> cls, PairList<?,? extends T> c)
static java.lang.Object[]	values(PairList<?,?> c)

Methods inherited from class java.lang.Object

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

Constructor Detail

Pair

public Pair()

Contructs a pair holding two null values.

Pair

public Pair(A a,
    B b)

Contructs a pair holding the given objects.

Pair

public Pair(Pair<A,B> p)

Contructs a pair holding the objects of the given pair.

Pair

public Pair(java.util.Map.Entry<A,B> e)

Method Detail

toHashMap

public static <K,V> java.util.HashMap<K,V> toHashMap(java.util.List<Pair<K,V>> pairs)

keys

public static java.lang.Object[] keys(PairList<?,?> c)

keys

public static <T> T[] keys(java.lang.Class<T> cls,
           PairList<? extends T,?> c)

values

public static java.lang.Object[] values(PairList<?,?> c)

values

public static <T> T[] values(java.lang.Class<T> cls,
             PairList<?,? extends T> c)

pair

public static <K,V> Pair<K,V> pair(K key,
                   V val)

utility method to create pairs with implicit parameterization

Type Parameters:

K -

V -

Parameters:

key -

val -

Returns:

pair

public static <K,V> Pair<K,V> pair()

utility method to create pairs with implicit parameterization

Type Parameters:

K -

V -

Returns:

pairs

public static <K> Pair.PairCollectionBuilder<K,K> pairs(java.lang.Class<K> kv)

pairs

public static <K,V> Pair.PairCollectionBuilder<K,V> pairs(K k,
                                          V v)

pairs

public static <K,V> Pair.PairCollectionBuilder<K,V> pairs(java.lang.Class<K> k,
                                          java.lang.Class<V> v)

pairs

public static <K,V> Pair.PairCollectionBuilder<K,V> pairs()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

getFirst

public A getFirst()

setFirst

public void setFirst(A first)

getSecond

public B getSecond()

setSecond

public void setSecond(B second)

getValue

public B getValue()

getKey

public A getKey()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object