| java.lang.Object
 org.apache.commons.collections.functors.NullIsFalsePredicate
| NullIsFalsePredicate | | final public class NullIsFalsePredicate implements Predicate,PredicateDecorator,Serializable(Code) | | Predicate implementation that returns false if the input is null.
since:
Commons Collections 3.0
version:
$Revision: 348444 $ $Date: 2005-11-23 14:06:56 +0000 (Wed, 23 Nov 2005) $
author:
Stephen Colebourne |
| NullIsFalsePredicate | | public NullIsFalsePredicate(Predicate predicate)(Code) | | Constructor that performs no validation.
Use getInstance if you want that.
Parameters:
predicate - the predicate to call after the null check |
| evaluate | | public boolean evaluate(Object object)(Code) | | Evaluates the predicate returning the result of the decorated predicate
once a null check is performed.
Parameters:
object - the input object true if decorated predicate returns true, false if input is null |
| getInstance | | public static Predicate getInstance(Predicate predicate)(Code) | | Factory to create the null false predicate.
Parameters:
predicate - the predicate to decorate, not null the predicate
throws:
IllegalArgumentException - if the predicate is null |
| getPredicates | | public Predicate[] getPredicates()(Code) | | Gets the predicate being decorated.
the predicate as the only element in an array
since:
Commons Collections 3.1 |
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