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  • Book Overview & Buying Learning Reactive Programming With Java 8
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Learning Reactive Programming With Java 8

Learning Reactive Programming With Java 8

By : Nickolay Tzvetinov
3.6 (5)
Buy this Book
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Learning Reactive Programming With Java 8

Learning Reactive Programming With Java 8

3.6 (5)
By: Nickolay Tzvetinov
Buy this Book

Overview of this book

If you are a Java developer that knows how to write software and would like to learn how to apply your existing skills to reactive programming, this book is for you.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. An Introduction to Reactive Programming
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1. An Introduction to Reactive Programming
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What is reactive programming?
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Why should we be reactive?
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Introducing RxJava
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Summary
2
2. Using the Functional Constructions of Java 8
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2. Using the Functional Constructions of Java 8
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Lambdas in Java 8
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Implementing the reactive sum example with lambdas
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Pure functions and higher order functions
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Summary
3
3. Creating and Connecting Observables, Observers, and Subjects
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3. Creating and Connecting Observables, Observers, and Subjects
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The Observable.from method
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The Observable.just method
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Other Observable factory methods
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The Observable.create method
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Subscribing and unsubscribing
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Hot and cold Observable instances
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The Subject instances
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Summary
4
4. Transforming, Filtering, and Accumulating Your Data
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4. Transforming, Filtering, and Accumulating Your Data
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Observable transformations
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Filtering data
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Accumulating data
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Summary
5
5. Combinators, Conditionals, and Error Handling
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5. Combinators, Conditionals, and Error Handling
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Combining the Observable instances
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The conditional operators
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Handling errors
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An HTTP client example
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Summary
6
6. Using Concurrency and Parallelism with Schedulers
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6. Using Concurrency and Parallelism with Schedulers
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RxJava's schedulers
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Buffering, throttling, and debouncing
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Summary
7
7. Testing Your RxJava Application
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7. Testing Your RxJava Application
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Testing using simple subscription
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The BlockingObservable class
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The aggregate operators and the BlockingObservable class
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Testing with the aggregate operators and the BlockingObservable class
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Using the TestSubscriber class for in-depth testing
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Testing asynchronous Observable instances with the help of the TestScheduler class
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Summary
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8. Resource Management and Extending RxJava
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8. Resource Management and Extending RxJava
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Resource management
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Caching data with Observable.cache
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Creating custom operators with lift
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Composing multiple operators with the Observable.compose operator
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Summary
9
Index
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Index

The conditional operators

It is possible to make it so that one Observable instance won't begin its emissions until another emits, or so that it would emit only if another doesn't emit anything. These Observable instances are able to emit items under given conditions, and these conditions are applied to them using conditional operators. In this section, we'll take a look at some of the conditional operators provided by RxJava.

The amb operator

The amb() operator has overloads that take from two up to nine source Observable instances or an Iterable instance of the Observable instances. It emits the items of the source Observable instance that starts emitting first. It doesn't matter what this is, whether OnError, OnCompleted notification, or data. Its diagram looks like this:

The amb operator

This operator has an instance form too. It is called ambWith() and can be called on one Observable instance in argument with another Observable instance.

This conditional operator is good for reading...

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Learning Reactive Programming With Java 8
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