Systems and methods utilizing a workflow definition language

摘要: An easy-to-use workflow language can be created by extending an existing, common such as Java. The extended adding those constructs that are missing but desirable. Such desirable include parallelism, asynchrony, loops over asynchronous events, and flexible handling of XML. allow a user to define virtual program using the Java syntax. For example, XML placed inside class defines high-level orchestration logic should follow. That refer carry out work, handle incoming message is really in This description not intended complete of, or limit scope invention. Other features, aspects, objects invention obtained from review specification, figures, claims.