Incorrect or misleading documentation about WOH conditional execution
Description
The conditional execution documentation [1] seems to be wrong and/or misleading. Using parts of the described BFU cause:
2017-02-13 17:17:07,807 | ERROR | (BlueprintDeploymentListener:52) - Unable to parse deployed file /home/lars/dev/opencast/build/opencast-dist-allinone-2.4-SNAPSHOT/etc/workflows/fast-ng.xml
org.xml.sax.SAXParseException: The value of attribute "if" associated with an element type "operation" must not contain the '<' character.
[1] https://docs.opencast.org/latest/admin/configuration/workflow/#conditional-execution
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@Sven, iirc, you wrote that documentation. Are you sure it works like this? Do you have any working examples for comparing variables to values?
Oh, damn... Using "<" in XML violates the XML syntax
Too bad since all other operators (incluing ">") would not require character escaping.
I'll check whether condition evaluation works if the characters are escaped correctly.
This gave me an idea.
It actually works if you encode the the operators properly.
I will adjust the documentation and probably (slightly) modify the workflow operation.
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