Invoke Activity

As the name suggests Invoke activity of WebSphere Process Server or WebSphere Integration Developer is used for invoking services that are not part of a business processes. The Invoke activity would call an operation of another service. These services can be web services, human tasks etc. An Invoke activity needs a reference partner which is associated with an interface. For an Invoke activity we need to specify a reference partner and an operation associated with the reference partner interface. When the Invoke activity is executed, it will invoke the operation specified. If the operation has input or output variables we need to specify the input/output variables also. These variables hold the data that we are receiving from the service or sending to the service.

We can specify a timeout value for an Invoke activity. The timeout associated with the Invoke activity tells when the service will be finished.

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