net.sf.collections15.functors.predicate
Class ExceptionPredicate<E>

java.lang.Object
  net.sf.collections15.functors.predicate.ExceptionPredicate<E>

All Implemented Interfaces:

java.io.Serializable, Predicate<E>

public final class ExceptionPredicate<E>
extends java.lang.Object
implements Predicate<E>, java.io.Serializable

Predicate implementation whose evaluate(E) method always throws an exception.

Since:

Collections15 1.0

Author:

Stephen Colebourne, Chris Lambrou (port to Java 5.0)

See Also:

Serialized Form

Constructor Summary

protected

ExceptionPredicate() Creates a new instance.

Method Summary

boolean	evaluate(E object) Evaluates the Predicate, always throwing an exception.
static <T> ExceptionPredicate<T>	getInstance() Returns an instance of ExceptionPredicate.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExceptionPredicate

protected ExceptionPredicate()

Creates a new instance.

Method Detail

getInstance

public static <T> ExceptionPredicate<T> getInstance()

Returns an instance of ExceptionPredicate.

Returns:

An instance of ExceptionPredicate.

Since:

Collections 1.0

evaluate

public boolean evaluate(E object)

Evaluates the Predicate, always throwing an exception.

Specified by:

evaluate in interface Predicate<E>

Parameters:

object - The input object.

Returns:

This method always throws an exception.

Throws:

FunctorException - Always thrown by this Predicate.