Review Request: Support default or EL function for coordinator start time

[jun aoki <ju...@gmail.com>]

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https://reviews.apache.org/r/9040/
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Review request for oozie.


Description
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The start attribute for coordinator xml supports ${coord:now()} EL function.

e.g.
<coordinator-app name=\"${appName}-foo\" frequency=\"${coord:days(1)}\" start=\"${coord:now()}\" "
                + "end=\"2015-02-03T23:59Z\" timezone=\"UTC\" 


Open question is, Mohammad mentioned the options in Description of https://issues.apache.org/jira/browse/OOZIE-778

>> 1. By default, current time/NOW will be assumed, if it is not assigned.
>> 2. Provide am EL function to define the current(any) time in specific format.

I'm open to suggestions. Let me know!


This addresses bug oozie-778.
    https://issues.apache.org/jira/browse/oozie-778


Diffs
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  http://svn.apache.org/repos/asf/oozie/trunk/core/src/main/java/org/apache/oozie/command/coord/CoordSubmitXCommand.java 1435495 
  http://svn.apache.org/repos/asf/oozie/trunk/core/src/main/java/org/apache/oozie/coord/CoordELFunctions.java 1435495 
  http://svn.apache.org/repos/asf/oozie/trunk/core/src/main/resources/oozie-default.xml 1435495 
  http://svn.apache.org/repos/asf/oozie/trunk/core/src/test/java/org/apache/oozie/command/coord/TestCoordSubmitXCommand.java 1435495 

Diff: https://reviews.apache.org/r/9040/diff/


Testing
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Thanks,

jun aoki