org.apache.commons.collections.functors
Class PrototypeFactory

java.lang.Object
  org.apache.commons.collections.functors.PrototypeFactory

public class PrototypeFactory
extends java.lang.Object

Factory implementation that creates a new instance each time based on a prototype.

Since:

Commons Collections 3.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $

Author:

Stephen Colebourne

Method Summary

static Factory

getInstance(java.lang.Object prototype) Factory method that performs validation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static Factory getInstance(java.lang.Object prototype)

Factory method that performs validation.

Creates a Factory that will return a clone of the same prototype object each time the factory is used. The prototype will be cloned using one of these techniques (in order):

• public clone method
• public copy constructor
• serialization clone

  Parameters:

  prototype - the object to clone each time in the factory

  Returns:

  the prototype factory

  Throws:

  java.lang.IllegalArgumentException - if the prototype is null

  java.lang.IllegalArgumentException - if the prototype cannot be cloned