METHOD FOR USING JAVA SERVLETS AS A STACK BASED STATE MACHINE

摘要

A method for enabling a front end system applet to be driven by a back end system servlet is provided. The method includes initiating a session with the back end system servlet for service. Then, both, data associated with the service and a command, are received from the back end system. Next, the received data is processed according to the command. It is then determined whether control is to be returned to the front end system applet, wherein if it is determined not to return control to the front end system applet, the method includes, executing the command, returning status and data to back end system, and awaiting receipt of additional data and command associated with the service from the back end system. A computer readable media having program instructions for enabling a front end system applet to be driven by a back end system servlet is also provided.