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EJB and pattern

 
Timber Lee
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posted 18 years ago
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EJBHome – Abstract Factory or Factory Method ?
EJBObject – Decorator or Proxy ?

SCJP<br />SCWCD<br />SCEA

 
Ajith Kallambella
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posted 18 years ago
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IMHO
EJBHome - Abstract factory.
EJBObject - certainly not a proxy. Actually a wrapper, not a decorator.

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Thomas Hofmann
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posted 18 years ago
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EJBObject is a decorator
 
Timber Lee
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what is mainly different between proxy and wrapper?

SCJP<br />SCWCD<br />SCEA

 
Timber Lee
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if the functions contributed by contained, such as security, transaction, are considered, ejbobject is like decorator pattern

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Debanjana Dasgupta
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posted 18 years ago
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The RemoteInteface is Proxy
Thanks
Debanjana

Thanks<br /> <br />Debanjana<br /> <br />SCJP2<br />SCEA

 
Thomas Hofmann
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A proxy provides the same interface as the remote objects. Though the (container generated) stub on the cilent side is a proxy for the remote object. The client communicates only with stub. "Behind the scenes" the stub establishes all network stuff (opening socket to remote server, marshalling parameters, ...). The stub which implements the remote interface is the proxy for the EJBObject, not the interface itself.
 
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