Chesnay Schepler created FLINK-2441:
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Summary: [py] Introduce an OpInfo object on the python side
Key: FLINK-2441
URL: https://issues.apache.org/jira/browse/FLINK-2441
Project: Flink
Issue Type: Improvement
Components: Python API
Reporter: Chesnay Schepler
Assignee: Chesnay Schepler
Priority: Trivial
All information required to construct on operation are currently saved in a
plain dictionary on the python side, whose fields are generally accessed using
a variety of string constants.
so right now you find lines like:
{code}
op_info[_Fields.KEYS] = keys
{code}
The following shortcomings exist in the current system:
# There is no central place to define default values. This is done all over the
place, to some extent in a redundant way,
# It produces fairly long code,
# is surprisingly cumbersome to write.
Instead i would like to add a separate OperationInfo object. This code be a
special dictionary with preset values for each field, but due to points 2 and
3, Id prefer having an attribute for every field. the resulting code would look
like this:
{code}
op_info.keys = keys
{code}
isn't that lovely.
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