org.apache.commons.collections4.functors
Class ExceptionPredicate<T>

java.lang.Object
  extended by org.apache.commons.collections4.functors.ExceptionPredicate<T>
All Implemented Interfaces:
Serializable, Predicate<T>

public final class ExceptionPredicate<T>
extends Object
implements Predicate<T>, Serializable

Predicate implementation that always throws an exception.

Since:
3.0
Version:
$Id: ExceptionPredicate.java 1479408 2013-05-05 22:15:05Z sebb $
See Also:
Serialized Form

Field Summary
static Predicate<Object> INSTANCE
          Singleton predicate instance
 
Method Summary
 boolean evaluate(T object)
          Evaluates the predicate always throwing an exception.
static
<T> Predicate<T>
exceptionPredicate()
          Factory returning the singleton instance.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

INSTANCE

public static final Predicate<Object> INSTANCE
Singleton predicate instance

Method Detail

exceptionPredicate

public static <T> Predicate<T> exceptionPredicate()
Factory returning the singleton instance.

Type Parameters:
T - the object type
Returns:
the singleton instance
Since:
3.1

evaluate

public boolean evaluate(T object)
Evaluates the predicate always throwing an exception.

Specified by:
evaluate in interface Predicate<T>
Parameters:
object - the input object
Returns:
never
Throws:
FunctorException - always


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