Closure (Commons Collections 3.2.2 API)

All Known Implementing Classes:

ChainedClosure, ExceptionClosure, ForClosure, IfClosure, NOPClosure, SwitchClosure, TransformerClosure, WhileClosure
```
public interface Closure
```
Defines a functor interface implemented by classes that do something.
A Closure represents a block of code which is executed from inside some block, function or iteration. It operates an input object.
Standard implementations of common closures are provided by ClosureUtils. These include method invokation and for/while loops.

Since:

Commons Collections 1.0

Version:

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

Author:

James Strachan, Nicola Ken Barozzi, Stephen Colebourne

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void execute(Object input)
  Performs an action on the specified input object.

- Method Detail
  - execute
```
void execute(Object input)
```
    Performs an action on the specified input object.
    
    Parameters:
    
    input - the input to execute on
    
    Throws:
    
    ClassCastException - (runtime) if the input is the wrong class
    
    IllegalArgumentException - (runtime) if the input is invalid
    
    FunctorException - (runtime) if any other error occurs