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    May 04

    看文章遇到好多不明白的缩写和词汇~查了查与大家分享

    1.WSDL: Web Service Description Language

    2.EAI: Enterprise Application Integration

    3.WPBPM: weblogic BPM(business process management) , 遵循了WFMC的流程规范。如开发、运行交互、管理三阶段,流程生命周期等   流程描述遵循了BPEL规范,具体是JSR207. 有兴趣可以参考上述方面。

    4.WSRP : Web Services for Remote Portlets即远程 Portlet Web 服务

    5.VOAD: Variation-Oriented Analysis and Design

    6.Portlet: http://www.lhjy.net/RecruiStu/JSJ/200512/20350.html

    7.SOMA:Service Oriented Modeling and Architecture

    8.关于组件粒度:

    组件:提供可重用的功能的类库或函数库;

    组件粒度:组件的源代码文件越少,粒度越大。用户可以根据不同的需求定义组件粒度的大小;

    调用关系:文件之间有函数/方法/属性/变量调用或继承关系则称文件之间有关系;

    Layer:一个layer表示一个组件,Layer后面的数字表示组件的粒度,数字越大粒度越小,既组件的源代码文件越多,复杂度越大;

    组件集成:根据现有源代码之间的调用关系,和本文定义法则和可定制约束条件来自动组合组件。

    法则:没有调用关系的源代码不能组合为一个组件;

    可选择以下2个约束条件中的一个:

                 1 组件内源文件不能调用组件外的源文件;

                 2 组件不能和多个文件组合为二个以上不同组件;

    9.松耦合loose coupling松耦合的基本概念是:允许改变或者当问题发生在电线的一端时来避免影响到其他的端点。也就是说,改变或者供应者或者服务的问题不能影响到用户----或者用户的问题不应影响到供应者或者服务。举例来说,如果服务的新版本被推出的话,服务的用户就不必非要去修改,不必非要去改变路线,甚至不必经历停滞----因为它(服务的新版本被推出)能清楚地向他们显示出来。相对而言,如果服务的一个用户决定改变他们正在使用的供应者(可能有了一个更低价格的服务供选择),这不需要用户应用必须要被重新编码,甚至是中断来做这样的改变。作为提供松耦合的必备基本要素,Web服务管理代理经常使用在用户和供应者之间。

     

                                                                           L Angel

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