Java: Apache OFBiz Service Engine: Part 1

In this two-part article by Jonathon Wong and Rupert Howell, 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.