org.apache.commons.collections.functors
Class TransformerPredicate

java.lang.Object
  |
  +--org.apache.commons.collections.functors.TransformerPredicate

All Implemented Interfaces:

Predicate, Serializable

public final class TransformerPredicate

extends Object

implements Predicate, Serializable

Predicate implementation that returns the result of a transformer.

Since:

Commons Collections 3.0

Version:

$Revision: 1.3 $ $Date: 2004/01/14 21:43:09 $

Author:

Stephen Colebourne

See Also:

Serialized Form

Constructor Summary

TransformerPredicate(Transformer transformer)
Constructor that performs no validation.

Method Summary

boolean	evaluate(Object object) Return the predicate result.
static Predicate	getInstance(Transformer transformer) 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

TransformerPredicate

public TransformerPredicate(Transformer transformer)

Constructor that performs no validation. Use getInstance if you want that.

Method Detail

getInstance

public static Predicate getInstance(Transformer transformer)

Factory to create the predicate.

Returns:

the transformer

Throws:

IllegalArgumentException - if the transformer is null

evaluate

public boolean evaluate(Object object)

Return the predicate result.

Specified by:

evaluate in interface Predicate

Parameters:

object - the object to evaluate

Returns:

true or false