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

java.lang.Object
  at.molindo.utils.data.Pair<A,B>

All Implemented Interfaces:

Serializable

public class Pair<A,B>
extends Object
implements Serializable

See Also:

Serialized Form

Nested Class Summary

static class

Pair.PairCollectionBuilder<K,V>

Constructor Summary

Pair()
Contructs a pair holding two null values.

Pair(A a, B b)
Contructs a pair holding the given objects.

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

Pair(Pair<A,B> p)
Contructs a pair holding the objects of the given pair.

Method Summary

boolean	equals(Object obj)
A	getFirst()
A	getKey()
B	getSecond()
B	getValue()
int	hashCode()
static <T> T[]	keys(Class<T> cls, PairList<? extends T,?> c)
static 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(Class<K> kv)
static <K,V> Pair.PairCollectionBuilder<K,V>	pairs(Class<K> k, 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> HashMap<K,V>	toHashMap(List<Pair<K,V>> pairs)
String	toString()
static <T> T[]	values(Class<T> cls, PairList<?,? extends T> c)
static 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(Map.Entry<A,B> e)

Method Detail

toHashMap

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

keys

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

keys

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

values

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

values

public static <T> T[] values(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(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(Class<K> k,
                                                          Class<V> v)

pairs

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

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class 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 String toString()

Overrides:

toString in class Object