Ran Ziv created ARIA-119:
----------------------------

             Summary: Syntax for executing a relationship operation on a 
specific edge (source/target)
                 Key: ARIA-119
                 URL: https://issues.apache.org/jira/browse/ARIA-119
             Project: AriaTosca
          Issue Type: Story
            Reporter: Ran Ziv
            Priority: Minor


TOSCA doesn't define a syntax for specifying which edge (source/target) of the 
relationship a relationship operation should run on. At the moment, this will 
be determined by the workflow author.
We could provided a syntax where the `implementation` field value would also 
hold the information for the edge, e.g.:

implementation: script.sh @ SOURCE

SOURCE and TARGET are already familiar "TOSCA constants", and the 
implementation field already has special syntax using the "@" sign so this 
seems to make the most sense.



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