org.apache.commons.collections4.functors
Class ExceptionTransformer<I,O>

java.lang.Object
  extended by org.apache.commons.collections4.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:
3.0
Version:
$Id: ExceptionTransformer.java 1479408 2013-05-05 22:15:05Z sebb $
See Also:
Serialized Form

Field Summary
static Transformer<Object,Object> INSTANCE
          Singleton predicate instance
 
Method Summary
static
<I,O> Transformer<I,O>
exceptionTransformer()
          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<Object,Object> INSTANCE
Singleton predicate instance

Method Detail

exceptionTransformer

public static <I,O> Transformer<I,O> exceptionTransformer()
Factory returning the singleton instance.

Type Parameters:
I - the input type
O - the output type
Returns:
the singleton instance
Since:
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


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