The initialize method is called by Batch Container during the initialization of the job step.

批处理容器将在作业步骤的初始化期间调用 initialize 方法。

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The close method is called by the Batch Container to indicate to the BDS that the user of the BDS is done working with the BDS.

批处理容器将调用close方法来告知bds, BDS的用户已经完成了BDS的使用。

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The open method is called by the Batch Container to indicate that the BDS is about to be used and to prepare the BDS for operation.

批处理容器调用open方法来指示将要使用BDS和为进行操作而对BDS做准备。

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