jpaul.Misc
Class EqualityPredicate<T>

java.lang.Object
  jpaul.Misc.Predicate<T>
      jpaul.Misc.EqualityPredicate<T>

public class EqualityPredicate<T>
extends Predicate<T>

EqualityPredicate is a simple predicate that checks equality with a reference element. Equality is checked by using .equals.

Version:

$Id: EqualityPredicate.java,v 1.4 2006/03/14 02:29:31 salcianu Exp $

Author:

Alexandru Salcianu - salcianu@alum.mit.edu

Constructor Summary

EqualityPredicate(T referenceElem)
Creates a EqualityPredicate.

Method Summary

boolean

check(T elem) The boolean predicate.

Methods inherited from class jpaul.Misc.Predicate

AND, FALSE, FULL_AND, FULL_OR, NOT, OR, TRUE

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EqualityPredicate

public EqualityPredicate(T referenceElem)

Creates a EqualityPredicate.

Parameters:

referenceElem - The element we check for equality against. The newly created predicate will be true only for the elements that are equal with referenceElem. We assume that only null is equal to null.

Method Detail

check

public boolean check(T elem)

Description copied from class: Predicate

The boolean predicate.

Specified by:

check in class Predicate<T>