Chapter 10. The Service Engine

In this chapter, we will be exploring the Service Engine. Services in OFBiz operate in a Service Oriented Architecture (SOA). These services not only have the ability to invoke other services internally, but can also be 'opened up' and invoked by remote applications using, amongst other methods, the widely adopted messaging protocol SOAP.

Besides serving as a platform for interoperability, OFBiz services also offer us additional capability to organize our code. The traditional organizational strategies in object-oriented Java were a great improvement over the procedural paradigm. Wrapping both methods and variables together into objects to form a powerful "behavioral model" for code organization (where object's methods ...

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