[jira] [Created] (OLINGO-417) Expression visitor class is not flexibile

["Ramesh Reddy (JIRA)" <ji...@apache.org>]

Ramesh Reddy created OLINGO-417:
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             Summary: Expression visitor class is not flexibile
                 Key: OLINGO-417
                 URL: https://issues.apache.org/jira/browse/OLINGO-417
             Project: Olingo
          Issue Type: Improvement
          Components: odata4-server
            Reporter: Ramesh Reddy


The current visitor frame work has couple drawbacks

1) The name of the methods should be  "visitor" (just pet peeve)
2) It is not necessary that all the visitation methods can return same type of return value across the whole visitor class. In my scenario I am trying to build a SQL language object
3) The Expression object *must* not dictate the Expression navigation to visitor. The current way limits one way to walk the expression, not very flexible. It should be left out the visitor to walk the expression.



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