Instead of having a user install this module, then have it break because the dependencies aren't there, the module can specify which other modules it requires to run.
不是让用户安装这个模块，然后因为没有相关性而使之中断，而是模块可以指定运行它需要的其它模块。
You also need this article's sample code (see Download), which includes a copy of Mahout and its dependencies. Follow these steps to install the sample code.
您还需要本文的示例代码(见下载部分)，其中包括一个Mahout副本及其依赖关系。
Install the handler class and dependencies in the application server hosting the gateway.
在运行网关的应用服务器上安装处理器类和所依赖的类。
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