基于Cache的BPEL4WS引擎的Web服务异步调用机制
首发时间:2009-06-26
摘要:本文讨论了BPEL4WS执行引擎WebFlow对Web服务的异步调用机制,在引擎的服务调用代理中将对Web服务的调用统一采用非阻塞双传输异步调用,提高了调用线程的利用率。同时引入了Cache机制并设计了相应的Cache替换算法,保证了引擎对异步调用结果消息的匹配效率以及数据安全性。
关键词: Web服务 BPEL4WS引擎 异步调用 Cache替换
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Web Service Asynchronous Invocation Mechanism of the BPEL4WS Engine Based on Cache
Abstract:We discussed the Web Service asynchronous invocation mechanism of the BPEL4WS engine WebJetFlow. We used the non-blocking-dual-channel asynchronous invocation to invoke the Web Service in the service invocation proxy of the engine in order to improve the utilization ratio of the invocation threads. Also we imported the cache mechanism and designed an algorithm for cache substitution, thus we ensured the efficiency in matching the asynchronous results and data security.
Keywords: Web Services BPEL4WS Engine Asynchronous Invocation Cache Substitution
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