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What is a Web service stub and callback handler do?

Posted on 2007-03-28
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What is a Web service stub and callback handler do?
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Question by:yankeebushsoftware
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el_dios earned 500 total points
ID: 18813877
Web services communication is done using XMLs. Imagine creating XMLs for every request and parsing the xml file after receiving the response.

A stub makes that invisible to the user, as well as the network calls.

If our web service takes some time to continue instead of waiting for the response we can continue with the execution of the client, if we use callback handlers. when the response is received the callback handler is invoked.

Sashwat
http://tech-sash.blogspot.com
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by:Mayank S
ID: 18813891
Yes the callback handler is used for asynchronous communication with the WS.

The stub basically abstracts out the connection, communication and serialization/ de-serialization of parameters for you. You just invoke the proxy as a local class/ method and it results in a network call to the actual web service.
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by:yankeebushsoftware
ID: 18813896
sorry mayankeagle i missed your comment, i'll give you some points next time
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