Realization of Workflow Service Invocation Interface for Integration of Agricultural Network Resources

Service Invocation Interface is the interface which workflow engine uses to communicate with external application procedures. Analyzed the difficulties caused by diversity of external network resources to realize service invocation interface, took the description, search and evaluation of these resources into consideration, put forward an integrated service invocation strategy based on SOA structure. This strategy combined the invocation method for resources that could and couldn’t be packaged into web services, offered the system a uniform interface to invocate various external agricultural information resources dynamically.