Event-driven business automation powered by cloud native Java
summary
Kogito combines Drools and jBPM with Quarkus and GraalVM to generate runtime Java code ahead-of-time, remove reflection and enable native compilation and hot reload. Demo builds a travel-booking microservice with visa checks, Kafka events, Infinispan persistence, protobuf schemas, a GraphQL data index, Prometheus/Grafana metrics and an OpenShift operator/CLI. Native runs show ~10 ms startup versus ~730 ms JVM in one test and memory dropping from ~103 MB to ~16 MB; demos show iterative rule changes reload instantly and end-to-end event-driven deployment works.
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chapters (39)
- 0:00Intro
- 0:28Agenda
- 3:11What is business automation
- 4:51Rule engine
- 8:26Syntax
- 10:48Workflow Engine
- 12:55Structured Process
- 13:32Orchestration vs Choreography
- 14:57What is this about
- 16:35Cloud native
- 17:52Quercus
- 18:39The logo
- 19:00What is Cartagena
- 20:41Typesafe data model
- 21:37Power
- 22:45Cloud
- 23:46Quercus overview
- 25:24Low memory footprint
- 26:17Hot Reload
- 27:25Daemon
- 30:04Directory
- 30:47Swagger UI
- 31:27Visual Studio Code
- 32:46Service Task
- 34:04Booking a Travel
- 35:45Business Rules
- 36:23Refresh Page
- 36:44Booking a New Travel
- 37:52Travel confirmation
- 38:15Sending events
- 39:07Code
- 41:30Compile time
- 45:18Rule representation
- 47:55Native compilation
- 49:59Native compilation tradeoffs
- 55:02Demo
- 56:18Running in Java mode
- 56:58First working prototype
- 59:03Benchmark
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