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Date: Wed, 5 Nov 2008 02:57:44 -0800 (PST)
From: "James Carman (JIRA)" <jira@apache.org>
To: issues@commons.apache.org
Subject: [jira] Created: (PROXY-14) Strategy-Based ObjectProvider
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Strategy-Based ObjectProvider
-----------------------------

                 Key: PROXY-14
                 URL: https://issues.apache.org/jira/browse/PROXY-14
             Project: Commons Proxy
          Issue Type: New Feature
    Affects Versions: 1.0
            Reporter: James Carman
            Assignee: James Carman


Implement a strategy-based ObjectProvider.  Basically, the provider would choose different strategy objects (that implement the service interface) based on information obtained at runtime during the method invocation.  One example would be a strategy-based provider which chose its strategy object based on the type of object passed in as one of the method parameters (similar to HiveMind's strategy support).  For example, suppose I have a service interface like:

{code}
public interface Renderer {
  public void render(Shape shape);
}
{code}

and I want to provide different implementations for Circle, Rectangle, Triangle, etc., then I would provide a mapping from those types to implementation objects that also implement Renderer.  Proxy would create a dynamic proxy that would choose which implementation object to use at runtime based on the type of shape passed in to the render method.


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