This is an overview of a typical end-to-end scenario where the broker implements a Web service.
An existing C or COBOL based system offers some business logic which can usefully be exposed as a Web service.
There is some mechanism for the broker to invoke operations on the existing system (that is, the system exposes an interface to the broker). Typically the existing system would be enabled for WebSphere MQ, meaning that it receives MQ messages containing application data, dispatches these to the underlying implementation and then packages the return values as an MQ response. The data structures supplied to and returned by these existing operations are defined in a C header file or COBOL copybook.
The Web service is to offer an interface based on the operations already exposed by the existing system. This interface might comprise all the existing operations, some subset of them and/or composite operations.
To implement the scenario:
For a similar scenario, see the sample: Web Service Host sample.
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