org.apache.commons.collections.functors
Class NonePredicate

java.lang.Object
  |
  +--org.apache.commons.collections.functors.NonePredicate
All Implemented Interfaces:
Predicate, Serializable

public final class NonePredicate
extends Object
implements Predicate, Serializable

Predicate implementation that returns true if none of the predicates return true.

Since:
Commons Collections 3.0
Version:
$Revision: 1.2 $ $Date: 2004/01/14 21:43:09 $
Author:
Stephen Colebourne
See Also:
Serialized Form

Constructor Summary
NonePredicate(Predicate[] predicates)
          Constructor that performs no validation.
 
Method Summary
 boolean evaluate(Object object)
          Return the predicate result.
static Predicate getInstance(Collection predicates)
          Factory to create the predicate.
static Predicate getInstance(Predicate[] predicates)
          Factory to create the predicate.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

NonePredicate

public NonePredicate(Predicate[] predicates)
Constructor that performs no validation. Use getInstance if you want that.
Parameters:
predicates - the predicates to check, not cloned, not null
Method Detail

getInstance

public static Predicate getInstance(Predicate[] predicates)
Factory to create the predicate.
Parameters:
predicates - the predicates to check, cloned, not null
Returns:
the any predicate
Throws:
IllegalArgumentException - if the predicates array is null
IllegalArgumentException - if the predicates array has less than 2 elements
IllegalArgumentException - if any predicate in the array is null

getInstance

public static Predicate getInstance(Collection predicates)
Factory to create the predicate.
Parameters:
predicates - the predicates to check, cloned, not null
Returns:
the one predicate
Throws:
IllegalArgumentException - if the predicates array is null
IllegalArgumentException - if any predicate in the array is null
IllegalArgumentException - if the predicates array has less than 2 elements

evaluate

public boolean evaluate(Object object)
Return the predicate result.
Specified by:
evaluate in interface Predicate
Following copied from interface: org.apache.commons.collections.Predicate
Parameters:
object - the object to evaluate
Returns:
true or false
Throws:
ClassCastException - (runtime) if the input is the wrong class
IllegalArgumentException - (runtime) if the input is invalid
FunctorException - (runtime) if the predicate encounters a problem


Copyright © 2001-2004 Apache Software Foundation. All Rights Reserved.