By Poornachandra Sarang, Matjaz Juric, Benny Mathew
This booklet is a finished consultant to the utilization and syntax of the enterprise strategy Execution Language for net providers (BPEL4WS). significant BPEL4WS servers, the Oracle BPEL technique supervisor and Microsoft BizTalk Server 2004 are coated intimately, and an outline of different significant BPEL4WS servers is equipped. The booklet comprises useful examples on utilizing BPEL4WS.
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Additional info for Business Process Execution Language for Web Services
ActiveBPEL Engine and ActiveWebflow ActiveBPEL engine is an open-source BPEL implementation written in Java. 1. In addition to BPEL process execution the engine provides support for persistence, queues, and alarms. It runs within a Java Enterprise Edition compliant web or application server, such as Tomcat or any other commercial or open-source Java Enterprise Edition server. ActiveBPEL is currently the only open-source BPEL engine, which gives it a unique position, comparable to JBoss among application servers.
We compose services until the aggregate services provide support for the whole business processes. Business processes are thus defined as a collection of activities through which services are invoked. For the outside world—that is for the clients—a business process looks like any other service. In real-world scenarios we will usually create two kinds of business processes: those that will contain services from within enterprise only, and those that will consume services provided by several companies.
This element may contain some message routing information (not shown in the above example). The securityrelated information is enclosed in the Security element. The current example encodes the user credentials in the message header. The UsernameToken encloses the UserName and Password elements. As the XML document is a text document that is readable by human beings, you will not send the password this way unless you are using secured transport (HTTPS) for sending the message. You need to send the username and password to the server for authentication.
Business Process Execution Language for Web Services by Poornachandra Sarang, Matjaz Juric, Benny Mathew