ExceptionClosure (Commons Collections 3.2.2 API)

java.lang.Object
- org.apache.commons.collections.functors.ExceptionClosure

All Implemented Interfaces:

Serializable, Closure
```
public final class ExceptionClosure
extends Object
implements Closure, Serializable
```
Closure 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) $

Author:

Stephen Colebourne

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static Closure INSTANCE
Singleton predicate instance

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`execute(Object input)`	Always throw an exception.
`static Closure`	`getInstance()`	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 Closure INSTANCE
```
    Singleton predicate instance
- Method Detail
  - getInstance
```
public static Closure getInstance()
```
    Factory returning the singleton instance.
    
    Returns:
    
    the singleton instance
    
    Since:
    
    Commons Collections 3.1
  - execute
```
public void execute(Object input)
```
    Always throw an exception.
    
    Specified by:
    
    execute in interface Closure
    
    Parameters:
    
    input - the input object
    
    Throws:
    
    FunctorException - always