lukecwik commented on a change in pull request #11177: [BEAM-9562] Add Timer to
Elements proto representation.
URL: https://github.com/apache/beam/pull/11177#discussion_r395426658
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File path: model/fn-execution/src/main/proto/beam_fn_api.proto
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@@ -533,8 +538,33 @@ message Elements {
bytes data = 3;
}
+ // Represent the encoded user timer for a given instruction, transform and
+ // timer id.
+ message Timer {
+ // (Required) A reference to an active instruction request with the given
+ // instruction id.
+ string instruction_id = 1;
+ // (Required) A definition representing a consumer or producer of this
data.
+ // If received by a harness, this represents the consumer within that
+ // harness that should consume these bytes. If sent by a harness, this
+ // represents the producer of these bytes.
+ string transform_id = 2;
+ // (Optional) The local timer name which can be mapped to
+ // timer specification.
+ string timer_id = 3;
+ // (Optional) Represents a logical byte stream of a timer. Encoded
according
+ // to the coder in the timer spec.
+ // An empty data block represents the end of stream for the given
+ // instruction and transform.
+ bytes timer = 4;
+ }
+
+
// (Required) A list containing parts of logical byte streams.
Review comment:
```suggestion
// (Optional) A list containing parts of logical byte streams.
```
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