A Problem-Frame-Based Approach for Component-Oriented Development

The rapid development of internet has brought a series of challenges for traditional software theories, models, approaches and technologies. An agile software engineering method is thought to be imminent. Components designed for reuse is expected as a way to resolve these problems. Some methods provide a top-down vision to direct the component-oriented development process. But the gap between initial software design and final implementation prevents it from playing a fundamental role in the process. On the other hand, a bottom-up approach which are widely used such as J2EE/EJB, COM/COM++, CORBA/CCM are also proved have some shortcomings. In this paper, Problem-Frame-Based Approach (PFBA), which provides a way of relating software requirements and development, is adopt to solve these problems. PFBA is a new way of looking at how to develop software, helps the developer to focus on the problem itself, and uses Qi4j toolkit to support a component-oriented development process.