我如何得到我的Azure WebJob输入blob的名字吗？ [英] How do I get the name of the input blob of my Azure WebJob?

问题描述

我使用了Azure的新功能WebJobs并有一个简单的触发器，当一个新的文件进入一个由斑点：

I'm using the new Azure WebJobs feature and have a simple trigger when a new file comes into one of by blobs:

public static void ProcessImportFile([BlobInput("importjobsdata/{name}")] TextReader input,
                                    [BlobOutput("importjobslog/log_{name}")] TextWriter writer)
{
    writer.WriteLine("Starting import file process...");

    var result = InputData(input, writer);

    var status = result == 0 ? "SUCCESS" : "FAIL";
    var message = result == 0
        ? "Import success."
        : "Import fail. " + result + " records failed to import. Check logs for details.";

    writer.WriteLine(message);
}

我想要做的就是被上传的文件（即在数据注解{name}等属性），这样我可以写信息到作家（日志）用于诊断目的的名称。

What I'd like to do is get the name of the file that was uploaded (ie. the {name} property in the data annotation) so that I can write that information to the writer (log) for diagnostic purposes.

不过，我似乎无法找到，这将使我这个信息的TextReader / BlobInput的任何属性。

However, I can't seem to find any properties of the TextReader/BlobInput that will give me this information.

我已经做了小挖，它看来的TextReader的BaseStream属性是Microsoft.WindowsAzure.Jobs.WatchableStream对象。我不知道如果这有助于追查名称或没有。

I've done a little digging and it appears that the BaseStream property of the TextReader is a Microsoft.WindowsAzure.Jobs.WatchableStream object. I'm not sure if this helps track down the name or not.

我如何去得到它？

推荐答案

的 name的值捕捉将被传递到的参数与该名称为好。所以，你应该能够做到这一点：

the value of the name capture would be passed to arguments with that name as well. So you should be able to do that:

public static void ProcessImportFile([BlobInput("importjobsdata/{name}")] TextReader input,
                                     string name,
                                     [BlobOutput("importjobslog/log_{name}")] TextWriter writer)
{
    writer.WriteLine(name);
}

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