Component Technology Support Information System Development

With the complexity of software development, how to control the cost of time and money efficiently and improve the quality of software becomes more and more important. Component provides us with a useful approach to solve the problems by means of its reliability, maintainability and adaptation. Component technology is applied to the equip support management information system development by using the software reuse idea which reduced the workload and solved the problem of reusing the existed equip support management information systems. With this technology, it is no need to develop new software for a new information system, and a new application can be assembled by developing a few special components and resuing the existed ones.Firstly analyses the domain of the equip support information system, comprehending the operations function demand by the analysis of the operations function layout, accomplishing the domain basic objects modeling, and identify the demand of components in this domain. Then summarizes and induces the reusable components that may be used in the domain based the domain analysis, present the development flow and method of software system based on components. And then confirms the multi-tiered system structure, establishes the component composing model, classifies the reusable components, illuminates the purpose and design idea of some typical components. Reference relative develop ways and demand of component, as for special demand of component of every tier, the classic design pattern and UML language were used in developing components which make the arithmetic and operation rules simple and enhance agility of component. Developing all reusable components for the operation demand of equipment support domain are put into domanial component store which provide mature reusable elements for concrete application.Finally, designs the actual equip support management information system and discusses that how to build the application systems fast based on the domain components warehouse by an example.