Add filtered and source fields to typed EventEnvelope#2807
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He-Pin merged 1 commit intoapache:mainfrom Mar 28, 2026
Merged
Add filtered and source fields to typed EventEnvelope#2807He-Pin merged 1 commit intoapache:mainfrom
He-Pin merged 1 commit intoapache:mainfrom
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Add 'filtered' (Boolean) and 'source' (String) fields to the typed EventEnvelope class for supporting filtered event delivery and tracking event sources (e.g. backtracking queries). These fields are needed by Projections to handle filtered events and event source attribution. Changes: - EventEnvelope: Add filtered/source constructor params with backward- compatible auxiliary constructor defaulting to (false, "") - EventEnvelope companion: Add new apply/create factory methods with filtered and source parameters - EventEnvelope.equals: Include filtered field in equality check - EventEnvelope.toString: Include filtered and source in output - QueryMessages.proto: Add optional bool filtered = 10 and optional string source = 11 fields - QuerySerializer: Serialize/deserialize the new fields - QuerySerializerSpec: Add test for filtered and source round-trip - Regenerate QueryMessages.java from updated proto definition Upstream: akka/akka-core@c9e4fa6f9f Cherry-picked from akka/akka-core v2.8.0, which is now Apache licensed. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Motivation
Typed EventEnvelope lacked metadata fields needed for advanced event processing -- specifically whether an event was filtered and what source produced it.
Modification
Added filtered (Boolean) and source (String) fields to typed EventEnvelope with backward-compatible defaults. Updated protobuf schema, serializer, and factory methods.
Result
Enables downstream processors to distinguish filtered events and trace event sources for debugging and routing.
References