November 2008
Intermediate to advanced
784 pages
23h 28m
English
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Request-Reply Operations
All the samples in the previous chapters included contracts whose operations were of the
type known as request-reply. As the name implies, in these operations
the client issues a request in the form of a message and blocks until it gets the reply
message. If the service does not respond within a default timeout of one minute, the client
will get a TimeoutException. Request-reply is the default
operation mode. Programming against request-reply operations is simple enough and resembles
programming using the classic client/server model. The returned response message containing
the results or returned values is converted to normal method return values. In addition, the
proxy will throw an exception on the client side if there are any communication or
service-side exceptions. Apart from the NetPeerTcpBinding
and the NetMsmqBinding, all bindings support
request-reply operations.
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