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I'm calling my workspace from the command line (either via Python or .NET to a system/os call). I'm parsing DWGs and pushing attributes to SQL Server in the workspace. Either the data validates in the workspace or it doesn't. I need to return a value of 'pass/fail' to my calling application from my workspace based on whether or not the data validated within the workspace. Is this possible?

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3 Answers 3

up vote 4 down vote accepted

Check the exit code from the program; eg echo %errorlevel%

If it is 0 then the workspace ran successfully.

In the workspace, when you locate bad data then terminate the translation with a Terminator transformer. That should change the exit code to be non-zero.

Hence a non-zero errorlevel denotes bad data.

NB Read this first on StackOverflow

Other methods to get that information out would be to write it to a file with the Textline writer, or an AttributeFileWriter transformer. Then you could write your own exit code according to the type of problem.

Yet another method might be to utilize a Python shutdown script in some way.

I think it really depends on what you plan to do with the pass/fail information, and how.

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Thanks Mark. I think I'm going to (try to) create parameters to get the values I need returned, then use a Python shutdown script to get them and return them somehow. I might also try the AttributeFileWriter to keep track of some things along the way. –  Chad Cooper Jan 22 '11 at 12:20

If you want more than a simple workspace pass/fail you could also parse the resulting FME log file. You can control the logfile location with the LOG_FILENAME command line option as described at http://fmepedia.safe.com/articles/FAQ/Batch-Processing-Method-2-Command-File#heading_toc_j_3 (LOG_FILENAME is not just for batch processing).

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You should be able to use either

http://www.fmepedia.com/index.php/XQueryExtractor

or

http://www.fmepedia.com/index.php/Data_Validation_with_FME_Server

or both.

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I'm using FME Desktop (should have noted that earlier). I don't really see how either of these can do what I need, honestly. –  Chad Cooper Jan 18 '11 at 20:32
    
I have seen the capability to call values within a workspace from published parameters from another workspace. Are you trying to utilize values in a completely different application? –  Brad Nesom Jan 18 '11 at 21:44

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