JMS规范  JMS定义了Java中访问消息中间件的接口,并没有给予实现,实现JMS接口的消息中间件称为JMS Provider,例如ActiveMQ JMS provider: 实现JMS接口和规范的消息中间件 JMS message: JMS的消息,JMS消息由以下三部分组成:1:消息头:每个消息头字段都有相应的getter和setter方法2:消息属性:如果需要除消息头字段以外的值,那么可以使用消息属性3:消息体:封装具体的消息数据JMS producer: 消息生产者,创建和发送JMS消…

深入浅出 JMS(一) - JMS 基本概念 一.JMS 是个什么鬼 JMS 是 Java Message Service 的简称,即 Java 消息服务.什么是消息服务呢,我们来看一下 Oracle 官方的定义: The Java Message Service (JMS) API is a messaging standard that allows application components based on the Java Platform Enterprise Edition (J…

 from:http://blog.csdn.net/jiuqiyuliang/article/details/46701559 深入浅出JMS(一)--JMS基本概念 标签: jmsmessagingenterprise 2015-06-30 22:23 32073人阅读 评论(5) 收藏 举报  分类: [ActiveMQ](3)  版权声明:本文为博主原创文章,未经博主允许不得转载. 摘要:The Java Message Service (JMS) API is a messaging…

                                          JMS基本概念 ■JMs是什么          JMS Java Messag/ Servite,Java消息服务,是 Java EE中的一个技术■JMs规范         JMS定义a和访问消息中间件的接口,并没有给实现,实现]s接口的消息中间件称为JMS Provider.例如ActiveMQ JMS provider: 实现jms接口和规范的信息中间件 JMS message :jms的信息,jms信息…

摘要:The JavaMessage Service (JMS) API is a messaging standard that allows application components based on the Java Platform Enterprise Edition (Java EE) to create, send, receive, and read messages. It enables distributed communication that is loosely…

摘要:The Java Message Service (JMS) API is a messaging standard that allows application components based on the Java Platform Enterprise Edition (Java EE) to create, send, receive, and read messages. It enables distributed communication that is loosely…

原文:http://blog.csdn.net/jiuqiyuliang/article/details/46701559 The Java Message Service (JMS) API is a messaging standard that allows application components based on the Java Platform Enterprise Edition (Java EE) to create, send, receive, and read mes…

摘要 The Java Message Service (JMS) API is a messaging standard that allows application components based on the java Platform Enterprise Edition (Java EE) to create, send, receive, and read messages. It enables distributed communication that is loosely…

第一篇博文,我们对Zookeeper有了一个简单的认识,而且比较浅显,易懂,这篇博文,我们了解它的基本概念,如下图所示: 了解它的基本概念,有助于我们后面的学习,虽然今天的文章都是概念性质的内容,但是意义重大. 一.集群角色: Zookeeper集群通常有三种角色:Leader,Follower,Observer. 角色 描述 Leader服务器 整个Zookeeper集群工作机制中的核心 ,不接受client的请求,主要负责进行投票的发起和决议,更新系统状态. Follower服务器 Zook…

The Java Message Service(JMS) API is a messaging standard that allows application components based on the Java Platform Enterprise Edition (Java EE) to create, send, receive, and read messages. It enables distributed communication that is loosely cou…