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https://issues.apache.org/jira/browse/BEAM-8019?focusedWorklogId=409243&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-409243
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ASF GitHub Bot logged work on BEAM-8019:
----------------------------------------
Author: ASF GitHub Bot
Created on: 25/Mar/20 00:37
Start Date: 25/Mar/20 00:37
Worklog Time Spent: 10m
Work Description: robertwb commented on pull request #11185: [BEAM-8019]
Some generalizations to support cross-language transforms.
URL: https://github.com/apache/beam/pull/11185#discussion_r397538923
##########
File path: sdks/python/apache_beam/coders/coders.py
##########
@@ -1383,22 +1375,74 @@ def from_runner_api_parameter(payload, components,
context):
write_state_threshold=int(payload))
-class RunnerAPICoderHolder(Coder):
+class ElementTypeHolder(typehints.TypeConstraint):
+ """A dummy element type for external coders that cannot be parsed in
Python"""
+ def __init__(self, coder, context):
+ self.coder = coder
+ self.context = context
+
+
+class ExternalCoder(Coder):
"""A `Coder` that holds a runner API `Coder` proto.
This is used for coders for which corresponding objects cannot be
initialized in Python SDK. For example, coders for remote SDKs that may
be available in Python SDK transform graph when expanding a cross-language
transform.
"""
- def __init__(self, proto):
- self._proto = proto
- def proto(self):
- return self._proto
+ coder_count = 0
Review comment:
I see this referenced half a dozen times below. Perhaps encapsulate the
increment+return in a method `_unique_id` or similar?
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Issue Time Tracking
-------------------
Worklog Id: (was: 409243)
Time Spent: 10h 10m (was: 10h)
> Support cross-language transforms for DataflowRunner
> ----------------------------------------------------
>
> Key: BEAM-8019
> URL: https://issues.apache.org/jira/browse/BEAM-8019
> Project: Beam
> Issue Type: New Feature
> Components: sdk-py-core
> Reporter: Chamikara Madhusanka Jayalath
> Assignee: Chamikara Madhusanka Jayalath
> Priority: Major
> Time Spent: 10h 10m
> Remaining Estimate: 0h
>
> This is to capture the Beam changes needed for this task.
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