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Learning Concurrency in Kotlin

You're reading from   Learning Concurrency in Kotlin Build highly efficient and scalable applications

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Product type Paperback
Published in Jul 2018
Publisher Packt
ISBN-13 9781788627160
Length 266 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Miguel Angel Castiblanco Torres Miguel Angel Castiblanco Torres
Author Profile Icon Miguel Angel Castiblanco Torres
Miguel Angel Castiblanco Torres
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Toc

Table of Contents (11) Chapters Close

Preface 1. Hello, Concurrent World! 2. Coroutines in Action FREE CHAPTER 3. Life Cycle and Error Handling 4. Suspending Functions and the Coroutine Context 5. Iterators, Sequences, and Producers 6. Channels - Share Memory by Communicating 7. Thread Confinement, Actors, and Mutexes 8. Testing and Debugging Concurrent Code 9. The Internals of Concurrency in Kotlin 10. Other Books You May Enjoy

Life Cycle and Error Handling

Now that we have an application using coroutines in order to do network requests, it's time to add new features to it while putting into practice new concepts and improving the user experience.

In this chapter, we will start by taking a closer look at two types of asynchronous tasks: Job and Deferred. We will talk about their similarities and their differences, taking a closer look at their life cycle. We will also cover how to calculate their current state and what to expect in each state. Then, we will improve our RSS reader by having it fetch news concurrently from many news outlets and using the newly introduced topics to handle exceptions when a feed can't be reached.

Some of the topics we will cover during this chapter are as listed:

  • Jobs and their use cases
  • Life cycle of Job and Deferred
  • Use cases for Deferred
  • What to expect with...
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