Service orchestration plays a vital role in assembling services into business processes in a Service Oriented Architecture. In current practices，the orchestrating logic is usually described by a process language，which is therefore separated from the services in the system implemented by certain programming language. It introduces two issues: 1) It cost additional efforts for developers to be proficient with a new process language/script，and its running environment. 2) It causes development performance degradation due to transformation efforts for process language and programming language，such as transforms Java services into web services. To overcome these issues，this paper proposes a novel alternative system which takes advantage of the annotation concoct of Java programming language to represent business processes. Through the experiments，we found that developers can efficiently develop business processes based on their current proficient programming language skill using the proposed system to achieve the service orchestration.
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