Spring Framework 5 2: Core Container Revisited
summary
Spring Framework 5.2 adds concrete support for R2DBC and RSocket and a new reactive transaction model (ReactiveTransactionManager) with live implementations for R2DBC and MongoDB in Spring Data, rewrites annotation handling for performance and introduces an annotation-absence registry to skip reflective scans, and prototypes GraalVM native-image builds that work but require extra reflection configuration. APIs improve nullability, ObjectProvider gains non-null supplier variants, Kotlin coroutines adapt to Reactor, and options like proxyBeanMethods=false and lazy singletons reduce startup cost — m3/rc1 features ship soon.
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chapters (18)
- 0:00Introduction
- 2:28Core API Revisited
- 5:18Nullability
- 8:31Object Provider
- 10:36Object Provider Injection
- 12:07Programmatic Retrieval
- 14:17Cotton Extensions
- 16:17Performance Tuning
- 17:13Annotation Processing
- 22:13GROG VM Native Images
- 28:34Component Model
- 32:29Reactive
- 32:52Reactive Web Controller
- 36:42Reactive Transaction Manager
- 40:32Reactive Messaging Module
- 42:49Application Events Module
- 46:45Reactive API Adaptor
- 48:40Recap
