event consumption semantics 事件消耗语义
By default, the CBI validates the semantics of a event, but this event validation is CPU-intensive and should only be used if absolutely necessary.
默认情况下，CBI将验证事件的语义，但这种事件验证占用大量CPU资源，只应该在绝对需要时使用。
The following sections define a simple event framework built using Geronimo, Active MQ, and the concepts and semantics of JMS.
以下各节定义了使用Geronimo、Active MQ和JMS的概念和语义构建的简单事件框架。
Runtime semantics of event handlers.
事件处理程序的运行时语义。
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