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Comparing a service to a method of an object

A SearchWebServices.com member asks one of our experts "Is a service comparable to a method of an object? For example would Create PO be a service?" Read the response or pose a question of your own.

Is a service comparable to a method of an object? For example would Create PO be a service?
Typically a service (when implemented as a Web service) is most comparable to an object (or component). Web services can have multiple operations, which are roughly the equivalent to object methods. For example, an Invoice Service can have Update, Add, Delete, Get operations. So, a Create PO method, would generally be implemented as a Create or Add operation of a Purchase Order Service. Think of a service as providing a context for the logical grouping of operations.

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