Java™ Web Services Unleashed

Service Flow and Service Composition

Complete representations of complex service interactions rely on two basic concepts: service flow and service composition. The service flow is a description of how the service operates. In business environments, the service flow is a representation of the business process that it implements. By revealing the internal operation of the service, the flow lets users and possible business partners know how the service should be used. In particular, the flow describes the order in which the operations the service provides should be used, and the logic the service follows to process requests. Following a long-standing tradition in the field of business process modeling, WSFL uses a flow model to represent service ...