#507

Feature Flags

Turn features on or off per user, role, company or percentage rollout - without a deploy.

Technique: Rule evaluation with reasons, sticky percentage buckets, audit log

Read the code: src/main/java/com/study/advlab/flags/FeatureFlagService.javasrc/main/java/com/study/advlab/flags/FlagController.java

Flags are checked in this order: 1 on/off switch 2 blocked users 3 target users 4 companies 5 roles 6 % rollout

New flag

Flag	Rules	Rollout	Changed
Explain recommendations (beta) `beta-recommend-explain` Shows the score parts behind each recommendation. 30 % + two testers.	ploy.staff, nina.admin	30%	26 Oct 22:09 · seed
Chatbot quick replies `chatbot-quick-replies` Suggestion buttons under the chatbot. Rolled out to 50 % of users.	everybody	50%	26 Oct 22:09 · seed
Route simulator `geofence-route-sim` The 'Walk a route' button on the Geofencing page - managers and admins only.	ADMIN, MANAGER	100%	26 Oct 22:09 · seed
New dashboard banner `new-dashboard-hero` Shows the big welcome banner on the dashboard. Only for two companies.	northwind, blueharbor	100%	26 Oct 22:09 · seed
OCR letter boxes `ocr-glyph-boxes` Draws a box around every recognised letter on the OCR page.	everybody	100%	26 Oct 22:09 · seed
Sentiment topics `sentiment-aspects` Topic breakdown (price, delivery, quality ...) on the Sentiment page.	jay.staff	100%	26 Oct 22:09 · seed
Voice search `voice-search` Microphone button in Natural Language Search (uses the browser's speech recognition). Switched off.	everybody	100%	26 Oct 22:09 · seed

Who gets what every user × every flag - hover a cell for the reason

Change log

Use a flag

In a template:

<div th:if="${@featureFlags.on('new-dashboard-hero')}">

In Java:

if (featureFlags.on("voice-search")) { ... }

From another app (JSON):