robertwb commented on a change in pull request #11185: [BEAM-8019] Some
generalizations to support cross-language transforms.
URL: https://github.com/apache/beam/pull/11185#discussion_r397539082
##########
File path: sdks/python/apache_beam/coders/coders.py
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@@ -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):
Review comment:
s/coder/coder_proto/ to be clear what it is?
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