How to Convert Hibernate Proxies to Real Entities for GWT Clients?

Converting Hibernate Proxies to Real Entities

When working with Hibernate, objects loaded using lazy loading may remain as proxies within the current session. While this is appropriate for performance reasons, it can pose a challenge when transmitting these objects to external systems like GWT clients via RPC. In such cases, it becomes necessary to convert the proxies into real entities for proper serialization.

One solution is to employ the initializeAndUnproxy method, as presented in the provided answer. This method takes an entity as an argument and prepares it for conversion by invoking Hibernate.initialize on it. If the entity is a Hibernate proxy, the method further extracts the actual implementation using getImplementation.

By calling this method on the proxy before passing it to the GWT client, you can ensure that the object is fully initialized and ready for use on the client-side. This avoids serialization errors and allows for seamless operation of your application.

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