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Posted to commits@beam.apache.org by GitBox <gi...@apache.org> on 2020/03/17 21:25:12 UTC

[GitHub] [beam] robertwb commented on a change in pull request #11060: [BEAM-9454] Create Deduplication transform based on user timer/state

robertwb commented on a change in pull request #11060: [BEAM-9454] Create Deduplication transform based on user timer/state
URL: https://github.com/apache/beam/pull/11060#discussion_r393972784
 
 

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 File path: sdks/python/apache_beam/transforms/deduplicate.py
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+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# pytype: skip-file
+
+"""a collection of ptransforms for deduplicating elements."""
+
+from __future__ import absolute_import
+from __future__ import division
+
+from apache_beam.coders.coders import BooleanCoder
+from apache_beam.transforms import ptransform
+from apache_beam.transforms import userstate
+from apache_beam.transforms.core import DoFn
+from apache_beam.transforms.core import Map
+from apache_beam.transforms.core import ParDo
+from apache_beam.transforms.timeutil import TimeDomain
+from apache_beam.typehints import trivial_inference
+from apache_beam.utils.timestamp import Duration
+from apache_beam.utils.timestamp import Timestamp
+
+__all__ = [
+    'DeduplictaionWithinDuration',
+]
+
+
+class DeduplictaionWithinDuration(ptransform.PTransform):
 
 Review comment:
   PTransform names are generally verbs. Perhaps just call this `Deduplicate`. The duration argument would typically be part of the constructor, e.g. `Deduplicate(duration=...)`, so wouldn't need to be repeated in the name. 

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