This plug-in is usually deployed to a run-time environment and is responsible for making the calls to the data source and retrieving the results.

该插件通常部署在一个运行时环境中，主要负责处理对数据源的调用和结果的获取。

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The initDatasource method is called during Eclipse plug-in initialization, so the data source variable is initialized and could be used for working with a database.

在初始化 Eclipse 插件的过程中将调用 initDatasource 方法，因此数据源变量被初始化并可用于使用数据库。

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