org.apache.commons.collections4.functors
Class ExceptionClosure<E>

java.lang.Object
  org.apache.commons.collections4.functors.ExceptionClosure<E>

All Implemented Interfaces:

Serializable, Closure<E>

public final class ExceptionClosure<E>
extends Object
implements Closure<E>, Serializable

Closure implementation that always throws an exception.

Since:

3.0

Version:

$Id: ExceptionClosure.java 1479408 2013-05-05 22:15:05Z sebb $

See Also:

Serialized Form

INSTANCE

public static final Closure<Object> INSTANCE

Singleton predicate instance

exceptionClosure

public static <E> Closure<E> exceptionClosure()

Factory returning the singleton instance.

Type Parameters:

E - the type that the closure acts on

Returns:

the singleton instance

Since:

3.1

execute

public void execute(E input)

Always throw an exception.

Specified by:

execute in interface Closure<E>

Parameters:

input - the input object

Throws:

FunctorException - always