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

java.lang.Object
  extended by 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

Field Summary
static Closure<Object> INSTANCE
          Singleton predicate instance
 
Method Summary
static
<E> Closure<E>
exceptionClosure()
          Factory returning the singleton instance.
 void execute(E input)
          Always throw an exception.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

INSTANCE

public static final Closure<Object> INSTANCE
Singleton predicate instance

Method Detail

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


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