Review Request: OOZIE-241 EL function(s) to expose action output data as a (XML/JSON/PROP) blob

[Alejandro Abdelnur]

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https://reviews.apache.org/r/4934/
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Review request for oozie.


Summary
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adding 3 EL functions:

toJsonStr(Map)
toPropertiesStr(Map)
toConfigurationStr(Map)


This addresses bug OOZIE-241.
    https://issues.apache.org/jira/browse/OOZIE-241


Diffs
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  trunk/core/src/test/java/org/apache/oozie/util/TestELConstantsFunctions.java 
1332314 
  trunk/docs/src/site/twiki/WorkflowFunctionalSpec.twiki 1332314 
  trunk/core/src/main/resources/oozie-default.xml 1332314 
  trunk/core/src/test/java/org/apache/oozie/TestDagELFunctions.java 1332314 
  trunk/core/src/main/java/org/apache/oozie/util/ELConstantsFunctions.java 
1332314 

Diff: https://reviews.apache.org/r/4934/diff


Testing
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added testcases to test the functions themselves and in combination with the 
actionData EL function.


Thanks,

Alejandro