Model-Based Design of Volatile Functionality in Web Applications

In this paper we present a model-based approach to integrate dynamic and volatile functionality in Web applications. Our approach comprises an extension to the OOHDM design method and a software framework which supports the injection of volatile functionality into the design model. We first motivate our work by discussing the problems which arise when dealing with volatile functionality; some meaningful examples are presented. We briefly describe our design approach, showing how to decouple volatile functionality from the core design model. We finally describe an implementation framework which supports the presented ideas extending Apache Struts with the notion of services and service affinities. Finally, we compare our approach with others´ and present some further research we are pursuing