org.apache.commons.collections.functors
Class ForClosure<T>

java.lang.Object
  extended by org.apache.commons.collections.functors.ForClosure<T>
All Implemented Interfaces:
Serializable, Closure<T>

public class ForClosure<T>
extends Object
implements Closure<T>, Serializable

Closure implementation that calls another closure n times, like a for loop.

Since:
Commons Collections 3.0
Version:
$Revision: 1.1.1.1 $ $Date: 2005/05/23 04:34:21 $
Author:
Matt Hall, John Watkinson, Stephen Colebourne
See Also:
Serialized Form

Constructor Summary
ForClosure(int count, Closure<T> closure)
          Constructor that performs no validation.
 
Method Summary
 void execute(T input)
          Executes the closure count times.
 Closure<T> getClosure()
          Gets the closure.
 int getCount()
          Gets the count.
static
<T> Closure<T>
getInstance(int count, Closure<T> closure)
          Factory method that performs validation.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ForClosure

public ForClosure(int count,
                  Closure<T> closure)
Constructor that performs no validation. Use getInstance if you want that.

Parameters:
count - the number of times to execute the closure
closure - the closure to execute, not null
Method Detail

getInstance

public static <T> Closure<T> getInstance(int count,
                                         Closure<T> closure)
Factory method that performs validation.

A null closure or zero count returns the NOPClosure. A count of one returns the specified closure.

Parameters:
count - the number of times to execute the closure
closure - the closure to execute, not null
Returns:
the for closure

execute

public void execute(T input)
Executes the closure count times.

Specified by:
execute in interface Closure<T>
Parameters:
input - the input object

getClosure

public Closure<T> getClosure()
Gets the closure.

Returns:
the closure
Since:
Commons Collections 3.1

getCount

public int getCount()
Gets the count.

Returns:
the count
Since:
Commons Collections 3.1


Copyright © 2005-2005 Apache Software Foundation, Matt Hall, John Watkinson. All Rights Reserved.