Project Reactor
Project Reactor is a JVM reactive programming library providing asynchronous, nonblocking types and operators for composing data sequences with backpressure.
Spring in Action, Sixth Edition
Project Reactor is a Java library that provides reactive types and operators for asynchronous, nonblocking stream processing.
- How it is used
- Introduces functional composition of Reactive Streams as the foundation for Spring’s reactive programming model.
- How deep it goes
- Defines the Reactive Streams contracts and Mono and Flux, then works through just(), map(), and subscribe() without prescribing a thread.
- Examples
- Contrasts an imperative greeting with a Mono greeting pipeline and supplies Maven dependencies for reactor-core and reactor-test.
- What you can do after
- Applies Project Reactor to compose a Mono pipeline using just(), map(), and subscribe().
Read how Spring in Action, Sixth Edition explains Project Reactor →
Spring Security in Action, Second Edition
Project Reactor is a Java library that provides reactive programming types and operators for composing asynchronous streams.
- How it is used
- Supports Spring reactive applications by composing asynchronous streams and representing web responses as publishers.
- How deep it goes
- Defines Reactive Streams roles and demonstrates a Mono endpoint, but stops short of detailed operator or scheduling internals.
- Examples
- Uses a milk-factory analogy, a HelloController endpoint, curl invocation, and Mono.just("Hello!") output.
- What you can do after
- Build a simple reactive web endpoint using Spring WebFlux and Reactor’s Mono publisher.
Read how Spring Security in Action, Second Edition explains Project Reactor →
Related concepts
- reactive streamimplements · Reactive Streams is a standard defining interfaces and signaling rules for asynchronous stream processing with nonblocking backpressure between producers and consumers.
- Fluxused by · Flux is a Project Reactor publisher type representing an asynchronous sequence that emits zero or more ordered values.
- Spring Reactive Webused by · Spring Reactive Web, or Spring WebFlux, is Spring’s reactive web framework for building nonblocking HTTP applications and clients.
- reactive programminguses · Reactive programming is a programming paradigm in which computations and outputs respond to asynchronous events or changing data by propagating changes through dependent operations.
- Springused by · Spring Framework is an open-source Java application framework that provides infrastructure and programming models for building applications, including dependency injection, configuration, and web and data-access capabilities.
- Monohas part · Mono is a Project Reactor publisher type representing an asynchronous computation that emits zero or one item.
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