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1, Return subinterfaceFor example, we have a parent interface:public interface A> {T method1(int value);}Then we have subinterface:public interface B 阅读全文
posted @ 2013-08-12 20:28 chayu3 阅读(110) 评论(0) 推荐(0)
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The normal spring bean definition configuration file, the xsi:schemaLocation only has two: beans and spring-beans.xsd. To define camelContext in spring config file, another two should be added: spring and camel-spring-correlate.xsd. And in , pls specify xmlns=http://camel.apache.org/schema/spring.Mo 阅读全文
posted @ 2013-08-12 19:30 chayu3 阅读(260) 评论(0) 推荐(0)
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Elements in an automation test framework:actor,---simulate trader, have its own name, can get controll of the trading application.Actor'sinstantiation can be configured by spring beans in test project.controller,---simulate trading application GUI, can do various actions, each action can return 阅读全文
posted @ 2013-08-12 19:30 chayu3 阅读(130) 评论(0) 推荐(0)
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Custom annotation definition is similar as Interface, just with @ in front. Annotation interface itself can have or have not annotations. @Retention(RetentionPolicy.RUNTIME) means VM will retain annotation with this type so they can be read reflectively at run-time.Java defines a set of annotations 阅读全文
posted @ 2013-08-12 15:13 chayu3 阅读(235) 评论(0) 推荐(0)
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在Baths-stomp里面的每个Fluent Interface Interactor Impl，都继承了MarketDataAccessor，which is an abstract class。Class如果包含Abstract methods，则一定要声明为Abstract class。Abstract class与interface的区别是: 1，Abstract class可以有unimplemented methods，也可以有implemented methods。2，Java interface里只可以包含constant(默认Static final)和方法声明, 而Abs 阅读全文
posted @ 2013-07-22 14:41 chayu3 阅读(226) 评论(0) 推荐(0)
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Nexus是maven的仓库管理器，如果使用maven，你可以从maven central repo下载所需的artifact，但这样很慢。Nexus在代理远程仓库的同时，维护本地仓库，以节省带宽和时间。Nexus可以代理Maven central repo，管理本地maven repo[release, snapshot, 3rd party].Nexus group的概念是maven没有的，nexus可以将多个仓库合并成一个group，这样，在我的机器上的maven project只需要依赖于一个group，就可以用到多个repo里面的artifact.在我的maven project里面 阅读全文
posted @ 2013-05-28 19:26 chayu3 阅读(363) 评论(0) 推荐(0)
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不知不觉在这个项目上做了快一年，但是却一直懒得没好好系统学习Spring framework，只是知道在哪里改一些设置。Spring里的IoC是由Dependency injection实现的：先说Dependency injection，比如Business logic需要一个功能saveCopy... 阅读全文
posted @ 2013-05-12 20:53 chayu3 阅读(215) 评论(0) 推荐(0)
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