ASF GitHub Bot logged work on BEAM-9273:

                Author: ASF GitHub Bot
            Created on: 11/Feb/20 10:17
            Start Date: 11/Feb/20 10:17
    Worklog Time Spent: 10m 
      Work Description: je-ik commented on pull request #10816: [BEAM-9273] 
Explicitly disable @RequiresTimeSortedInput on unsupported runners
URL: https://github.com/apache/beam/pull/10816#discussion_r377544106

 File path: 
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+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
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+ * 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
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+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
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+package org.apache.beam.runners.core.construction;
+import org.apache.beam.sdk.state.BagState;
+import org.apache.beam.sdk.state.MapState;
+import org.apache.beam.sdk.state.SetState;
+import org.apache.beam.sdk.state.State;
+import org.apache.beam.sdk.state.ValueState;
+import org.apache.beam.sdk.state.WatermarkHoldState;
+import org.apache.beam.sdk.transforms.DoFn;
+import org.apache.beam.sdk.transforms.reflect.DoFnSignatures;
+import org.apache.beam.sdk.values.TypeDescriptor;
+ * Features a {@link DoFn} can posses. Each runner might implement a different 
(sub)set of this
 Review comment:
   Agree. The reason I created this class is that I wanted to demonstrate the 
approach of declaring pipeline requirements and validating that runner supports 
all requirements. 
   That would go as follows:
    Set<Features> required = PipelineFeaturs.extract(pipeline);
   That way, adding a new feature to pipeline would not require any change to 
runner core, but the runner would reject the pipeline.
   I then realized that this change would be too big and really not related to 
the annotation, so I returned back to the original approach, where runners 
explicitly reject features they do not support (and adding unsupported feature 
needs modification in runners code). I will rename the class as you suggest.
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Issue Time Tracking

    Worklog Id:     (was: 385059)
    Time Spent: 3h 10m  (was: 3h)

> Explicitly fail pipeline with @RequiresTimeSortedInput with unsupported runner
> ------------------------------------------------------------------------------
>                 Key: BEAM-9273
>                 URL: https://issues.apache.org/jira/browse/BEAM-9273
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-core
>            Reporter: Jan Lukavský
>            Assignee: Jan Lukavský
>            Priority: Major
>          Time Spent: 3h 10m
>  Remaining Estimate: 0h
> Fail pipeline with @RequiresTimeSortedInput annotation in pipeline 
> translation time when being run with unsupported runner. Currently, 
> unsupported runners are:
>  - apex
>  - portable flink
>  - gearpump
>  - dataflow
>  - jet
>  - samza
>  - spark structured streaming
> These runners should reject the pipeline.

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