SubscribeMeasurementRequest¶
Purpose¶
Subscribe to a measurement key in the dynamic configuration KV-store to get notified when the corresponding value changes.
Type¶
Reception:
Records with fields:
Measurement Query: MeasurementQueryV1
The measurement query the subscriber wants to subscribe to from the measurement database.
Triggers
SubscribeMeasurementResponseV1
Records with fields:
Measurement Query: MeasurementQueryV1
The measurement query the subscriber is now subscribed to.
Success Operation: SuccessOperationMeasurementDBV1
The success of the operation, indicating that the subscription attempt succeeded or failed.
Epoch Timestamp: EpochTimestampV1
The wall clock time of the moment that the subscriber was subscribed to this query.
Behavior¶
Subscribes to a query from the measurement database to monitor value changes.
Message Flow¶
sequenceDiagram
%% --8<-- [start:sequence]
Any Local Engine ->>+ Measurement Engine: SubscribeMeasurementRequest
Measurement Engine -->>- Any Local Engine: SubscribeMeasurementResponse
%% --8<-- [end:sequence]