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Posted to issues@commons.apache.org by "James Carman (JIRA)" <ji...@apache.org> on 2008/11/05 11:57:44 UTC
[jira] Created: (PROXY-14) Strategy-Based ObjectProvider
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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