Camel概念【JMS】

JMS (Java Message Service)

JMS (Java Message Service) is a Java API that allows you to create, send, receive, and read messages. It also mandates that messaging is asynchronous and has specific elements of reliability, like guaranteed and once-and-only-once delivery.  JMS is the defacto messaging solution in the Java community.(JMS-java消息服务是java的API，它允许用户创建、发送、接收、读取信息。它规定了信息传送是异步的、有可靠而具体的实体，比如确定一次只完成一次交付，JMS是java体系中的消息传递解决方案)。

In  JMS , message consumers and producers talk to one another through an intermediary—a  JMS destination. As shown in figure 2.4, a destination can be either a queue or a topic. （在JMS中，消息的消费者和生产者通过JMS的中间件destination进行交互，destination分为queue 和 topic）

Queues are strictly point-to-point, where each message has only one consumer. （队列是严格的点对点，一条message只有一个消费者）

Topics operate on a publish/subscribe scheme; a single message may be delivered to many consumers if they have subscribed to the topic.（主题运行一种发布订阅的模式，如果消费者订阅了主题，单条消息将发给多个consumers ）



时间： 2024-10-19 10:40:36

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