net.sf.kdgcommons.collections

Class CompoundKey

java.lang.Object

net.sf.kdgcommons.collections.CompoundKey

All Implemented Interfaces:

Serializable, Iterable<Object>

public final class CompoundKey
extends Object
implements Iterable<Object>, Serializable

An N-tuple that provides equals() and hashCode(), used to hold a multi-element key for HashMaps.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CompoundKey(Object... components)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	hashCode()
Iterator<Object>	iterator() Returns an iterator over the components of this key.
String	toString() Produces a string of the form "[COMP0,COMP1,...]" where COMP0 et al come from calling String.valueOf() on the component.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

CompoundKey

public CompoundKey(Object... components)

Method Detail

iterator

public Iterator<Object> iterator()

Returns an iterator over the components of this key.

Specified by:

iterator in interface Iterable<Object>

toString

public String toString()

Produces a string of the form "[COMP0,COMP1,...]" where COMP0 et al come from calling String.valueOf() on the component.

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object