org.apache.commons.collections.functors
Class ExceptionTransformer<I,O>

java.lang.Object
  org.apache.commons.collections.functors.ExceptionTransformer<I,O>

All Implemented Interfaces:

Serializable, Transformer<I,O>

public final class ExceptionTransformer<I,O>
extends Object
implements Transformer<I,O>, Serializable

Transformer implementation that always throws an exception.

Since:

Commons Collections 3.0

Version:

$Revision: 1.1.1.1 $ $Date: 2005/05/23 04:34:19 $

Author:

Matt Hall, John Watkinson, Stephen Colebourne

See Also:

Serialized Form

Field Summary

static Transformer

INSTANCE Singleton predicate instance

Method Summary

static Transformer	getInstance() Factory returning the singleton instance.
O	transform(I input) Transforms the input to result by cloning it.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final Transformer INSTANCE

Singleton predicate instance

Method Detail

getInstance

public static Transformer getInstance()

Factory returning the singleton instance.

Returns:

the singleton instance

Since:

Commons Collections 3.1

transform

public O transform(I input)

Transforms the input to result by cloning it.

Specified by:

transform in interface Transformer<I,O>

Parameters:

input - the input object to transform

Returns:

never

Throws:

FunctorException - always