feat: Add FDv2 Streaming Synchronizer #106
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…dd-fdv2-data-source-interfaces
…unchdarkly/java-core into rlamb/add-fdv2-data-source-interfaces
…ming-synchronizer
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January 15, 2026 23:31
kinyoklion
commented
Jan 16, 2026
| case NONE: | ||
| break; | ||
| case INTERNAL_ERROR: { | ||
| FDv2ProtocolHandler.FDv2ActionInternalError internalErrorAction = (FDv2ProtocolHandler.FDv2ActionInternalError) res; |
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Gap identified working on streaming.
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bugbot review |
![cursor[bot]](https://avatars.githubusercontent.com/in/1210556?s=60&v=4){kind=small}
lib/sdk/server/src/main/java/com/launchdarkly/sdk/server/StreamingSynchronizerImpl.java
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lib/sdk/server/src/main/java/com/launchdarkly/sdk/server/StreamingSynchronizerImpl.java
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tanderson-ld
approved these changes
Jan 20, 2026
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BEGIN_COMMIT_OVERRIDE
chore: Add FDv2 Streaming Synchronizer
END_COMMIT_OVERRIDE
Note
Adds FDv2 streaming support and refines polling behavior
StreamingSynchronizerImplmaintains an SSE connection viaEventSource, parses FDv2 events, emitsCHANGE_SET/status results, handles recoverable/non-recoverable errors, restarts onGOODBYE, and lazily starts onnext(); supports selector andfilterquery paramsINTERNAL_ERRORtypes (MISSING_PAYLOAD,JSON_ERROR) toINVALID_DATA;PollingSynchronizerImplnow completes a shutdown future on terminal errors to stop further pollingInitializerandSynchronizer(state diagrams;next()usage on shutdown/terminal)Written by Cursor Bugbot for commit d4dff45. This will update automatically on new commits. Configure here.