A Well-designed SaaS Application Platform Based on Model-driven Approach

In today´ intensely competitive environment, traditional application systems such as ERP, lacks the autonomy and flexibility required by dynamic market. Given that, more and more companies are offering their software by Software as a Service (SaaS) application platform. Most SaaS platforms are implemented by traditional J2EE programming. This paper introduces a new well-designed SaaS application platform based on model driven approach which provides a convenient solution to realize customization and integration of platform. In this paper, we first introduce the overall framework, next present a series of model engines, model templates, and model description files, then describe how they work together to realize the multi-tenant aware, service customization and service integration over the well-designed SaaS platform, and finally concludes by an example for menu to illustrate our approach.