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Session Facade, Business Delegate

 
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How is Session - facade different from each other.. as per my understanding they both are to provide simpler interface to the client
 
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business delegate usually talk to Session Facade.
 
Andy Smith
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Any further explanations?
 
Greenhorn
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BusinessDelegate client interface to underlying business components.

For example if SessionFacade A is a business component then BusinessDelegate BDa is a helper object which implements the same interface as as A.

For client it is transparent to use A or BDa but all the JNDI lookups and remote calls are hidden in BDa.

Typical usage of BD is :

BusinessDelegateXXX xxx = new BusinesDelegateXXX();
xxx.someCall(x,y,z);

You see? No try-catch, no JNDI lookup!
 
Piotr Gabryanczyk
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There is small mistake in previous post.
Should be:

XXXInterface xxx = new BusinesDelegateXXX();
xxx.someCall(x,y,z);
 
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