FileSystemWatcher的工作就完成了？ [英] FileSystemWatcher Work is Done?

问题描述

我设置一个FsWatcher上的本地文件系统的目录。我只是想知道，当文件被添加到目录中，以便它们可以被移动到另一个文件系统。我似乎能够检测何时所述第一文件是在，但实际上我想知道当从给定的复制操作中的所有文件都完成。

I setup a FsWatcher on a local filesystem directory. I only want to know when files are added to the directory so they can be moved to another filesystem. I seem to be able to detect when the first file is in, but actually I want to know when all files from a given copy operation are done.

如果我使用Windows资源管理器从一个目录复制到另一个文件，浏览器会告诉我，有n秒留在了转移，因此，虽然有一些活动的开始转移，并最终转移的每个文件，似乎有什么东西在开始传输和终端传输的所有文件。

If I used Windows Explorer to copy files from one directory to another, Explorer would tell me that there are n seconds left in the transfer, so while there is some activity for the begin-transfer and end-transfer for each file, it appears that there is something for the begin-transfer and end-transfer for all files.

我不知道是否有类似的事情，我可以使用.NET Framework做到这。我想知道，当所有文件中，而不是在一个交易只是一个单一的文件。如果还有什么烤，也许我应该拿出某种等待/为了对付只做我的活动时，一个工作就是完成。

I wonder if there is something similar that I can do just with the .NET Framework. I would like to know when "all" files are in and not just a single file in a "transaction". If there is nothing baked in, maybe I should come up with some kind of waiting/countering in order to only do my activity when a job is "done".

不知道，如果我在这一个做100％意义上说，请人评论。

Not sure if I'm making 100% sense on this one, please anyone comment.

感谢。

推荐答案

我在过去实现这一点的办法是有一个'标记'文件与一个特殊的名字，例如： '结束'。此文件始终写入的最后一个文件，并作为当多文件交易完成的指示。这会工作得很好，如果有被写这些文件集，只有一个线程。

The way I have implemented this in the past is to have a 'marker' file with a special name, e.g. 'end'. This file is always the last file written and serves as an indicator for when a multi file transaction is complete. This would work just fine if there is only one thread which is writing these sets of files.

如果有很多线程，每个线程都可以写一组文件，那么你就需要以某种方式每个结束文件与设置文件是标记的关联。这样做的一种方法是将包括一个GUID（或一些其他唯一标识符）的文件名，例如

If there are many threads, each of which may be writing a set of files, then you'd need to somehow associate each 'end' file with the set of files it is marking. One way to do this would be to include a GUID (or some other unique identifier) in the filenames, e.g.

{ GUID1 的.file1.bin， GUID1 的.file2.bin， GUID1 的.END}

{ GUID1.file1.bin, GUID1.file2.bin, GUID1.end }

{ GUID2 的.file1.bin， GUID2 的.file2.bin， GUID2 的.END}

{ GUID2.file1.bin, GUID2.file2.bin, GUID2.end }

另一种方式做到这一点是从每一组中的所有文件压缩成一个ZIP文件，所以你只需要留意单个文件。

Another way to do it is to zip all the files from each set into a single ZIP file so you only have to watch for single files.

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