进度状态报告模式 [英] Pattern for progress status reporting

问题描述

我正在执行需要显示进程栏（或进度百分比）的长时间运行的进程。长时间运行的过程的整体逻辑是复杂的（各种分页数据检索），因此，我最终在代码中的各个地方硬编码了很多百分比。

在更新完成百分比时，被认为是最佳设计模式？

解决方案

我发现使用的模式在JFace周围 IProgressMonitor 很好地工作。你可以通过看课程来获得一些洞察力。要查看的其他课程是 ProgressMonitorDialog 和 IRunnableWithProgress 。您还可以找到这篇文章的一些帮助。 p>

I am implementing long running processes that require to a process bar - or progress percentage - to be displayed. The overall logic of the long running process is complex (various paged data retrieval), and as a result, I end up hardcoding lots of percentages in various places within the code.

What are considered as the best design patterns when it comes to update a completion percentage?

解决方案

I've found the pattern used in JFace around IProgressMonitor to work out pretty nicely. You might gain some insight by having a look at the class. Additional classes to look at are ProgressMonitorDialog and IRunnableWithProgress. You may also find this article of some help.

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