Apache Felix:什么是扩展包? [英] Apache Felix: What are extension bundles?

问题描述

Apache Felix 有扩展包"的概念.这似乎是一个对系统包有贡献的包.还有一个特殊的网址felix://extensions/"正在为他们注册.

Apache Felix has the concept of an "extension bundle". This seems to be a bundle that contributes to the system bundle. There is also a special URL "felix://extensions/" being registered for them.

我什么时候需要使用扩展而不是常规捆绑包?

When would I need to use extensions as opposed to regular bundles?

是否有使用这种方法的捆绑包示例?

Are there examples of bundles that use this approach?

这是 Felix 独有的特性还是 OSGi 规范的一部分?

Is this a Felix-only feature or part of the OSGi spec?

推荐答案

根据 felix 实现扩展包问题，扩展包在 OSGi R4 规范的 3.15 节中进行了描述 - 所以它是 OSGi 规范的一部分.该问题和 spec 都回答了您关于何时使用它们的问题.例如，我会检查谷歌.

according to the felix Implement extension bundles issue, extension bundles are described in section 3.15 of the OSGi R4 specification - so it is part of the OSGi spec. both that issue and the spec answers your question about when to use them. for examples, i would check google.

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