Oracle Integration Cloud: Building Integrations That Survive Production · Module 10 · Business events and publish/subscribe
OIC events between integrations
Lesson 107 of 175 · 2 min
Decoupling your own flows with published events. What it buys, and the traceability it costs when a chain spans four integrations. WHAT IT BUYS is genuine and worth having. One flow publishes; several subscribe. Adding a consumer does not touch the producer, which is the thing that makes an estate extensible rather than increasingly brittle. Different consumers can fail independently, retry independently, and be deployed independently. WHAT IT COSTS IS THE ONE PROPERTY THIS COURSE HAS BEEN BUILDING SINCE MODULE 2: being able to find the run. In a direct chain, one instance shows you the whole story. With events between four integrations, a single business transaction is four instances with no link between them — and answering "what happened to this order" means finding four runs and correlating them by timestamp and payload contents. THE FIX IS A CORRELATION IDENTIFIER CARRIED THROUGH EVERY EVENT AND LOGGED BY EVERY SUBSCRIBER.…
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