Business Process Execution Language for Web Services - Second Edition

Workflow Service

Real-world business processes often require human interactions. For example, we might want to extend the Travel business process so that a person approves (or declines) the final ticket selection before the result is returned to the employee. Other examples include confirming stock prices, choosing loan offers, etc. The BPEL specification does not provide a standard way to include human interaction in BPEL processes. However, Oracle BPEL Process Manager provides the Workflow service. Workflow is a built-in BPEL service that enables human interaction in BPEL processes in a relatively easy way. Similar to the Notification service, the Workflow service exposes the interfaces through WSDL, and BPEL processes invoke it just like any ...