Reactive Programming

Reactive programming is gaining a lot of attention. A combination of some fundamental approaches—functional programming, event based programming, loose coupling, and error resilience—to mention a few have come together as a set of tools to create highly responsive and performant applications. This course will help developers get up to speed about creating reactive applications.

Reactive Applications

• Why a new/different programming model?
• What's reactive programming?
• Reactive Manifesto
• Characteristics of Reactive Applications
• State of software technologies
• The next logical step
• Exercise

Functional Programming and Reactive

• Functional Style
• Function Composition
• Lazy Evaluations
• Thinking of Streams
• Streams of data
• Relationship to Reactive Programming

APIs for Reactive Programming

• Observable
• Beyond the observer pattern
• Features of observables
• Iterators vs. observables
• Propagating Signals and errors
• Encapsulation of service
• Decoupling of clients
• Exercise

Client-Server Interactions

• Synchronous
• Asynchronous
• Working with data
• Unsubscribing
• Exercise

Graceful Error Handling

• Failure as first class citizen
• Communicating Failures
• Graceful termination
• Handling Failures
• Resuming service on Failure
• Communication model
• Exercise

Working with Streams

• Starting
• Filters Skips and Takes
• Supporting different client needs
• Exercise

Programming Asynchrony

• Subscription options
• Threading and threading options
• Schedulers
• Working with schedulers
• Exercise

Configuring for Speed

• Stream Generation
• Varied Speed of Clients
• Back pressures
• Using Producers
• Exercise

Reactive at Large

• Reactive Systems
• Reactive Languages
• Architecting Reactive Systems
• Exercise