ExceptionTransformer

java.lang.Object

org.apache.commons.collections.functors.ExceptionTransformer

All Implemented Interfaces:: Serializable, Transformer

public final class ExceptionTransformer extends Object implements Transformer, Serializable

Transformer implementation that always throws an exception.

Since:

Commons Collections 3.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $

See Also:

Field Summary

Fields

Modifier and Type

Field

Description

static final Transformer

INSTANCE

Singleton predicate instance

private static final long

serialVersionUID

Serial version UID
Constructor Summary

Constructors

Modifier

Constructor

Description

private

ExceptionTransformer()

Restricted constructor.
Method Summary

Modifier and Type

Method

Description

static Transformer

getInstance()

Factory returning the singleton instance.

Object

transform(Object 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 Details
- serialVersionUID
  
  private static final long serialVersionUID
  
  Serial version UID
  See Also:
  
  Constant Field Values
- INSTANCE
  
  public static final Transformer INSTANCE
  
  Singleton predicate instance
Constructor Details
- ExceptionTransformer
  
  private ExceptionTransformer()
  
  Restricted constructor.
Method Details
- getInstance
  
  public static Transformer getInstance()
  
  Factory returning the singleton instance.
  
  Returns:
  
  the singleton instance
  
  Since:
  
  Commons Collections 3.1
- transform
  
  public Object transform(Object input)
  
  Transforms the input to result by cloning it.
  
  Specified by:
  
  transform in interface Transformer
  
  Parameters:
  
  input - the input object to transform
  
  Returns:
  
  never
  
  Throws:
  
  FunctorException - always