To solve the problem of heterogeneous data exchange,it introduces a heterogeneous data exchange system based on event-driven mechanism and Web Service. This system provides a framework which consists of a center part and adaptors. The center manages all the subsystems while the adaptors contribute for the management of events and the transformation of heterogeneous data, the adaptors play an important role in the system. Event-driven mechanism improves the efficiency and flexibility of the system, while the Web Services technology makes the communication go through the firewall. Exchange data among different operating systems and data sources efficiently by this platform.%为解决异构数据的交换问题,提出了一个基于事件驱动和Web Services的异构数据交换系统,系统利用数据中心及适配器相结合的框架来解决异构问题.数据中心提供接人系统的管理及数据的转发功能；适配器提供了驱动事件的管理、异构数据的转换、异构系统的屏蔽等功能,是系统的核心部分.事件驱动机制提高了系统的效率和灵活性,而WebServices技术使系统各部分的通信跨越B防火墙的障碍.经实例测试系统可以有效解决异构数据源之间的差异性,为数据源之间数据灵活的交换提供了有效的工具.
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