Learning Concurrent Programming in Scala - Second Edition

Table of contents

1. Learning Concurrent Programming in Scala - Second Edition
   1. Learning Concurrent Programming in Scala - Second Edition
   2. Credits
   3. Foreword
   4. About the Author
   5. Acknowledgements
   6. About the Reviewers
   7. www.PacktPub.com
      1. Why subscribe?
   8. Customer Feedback
   9. Preface
      1. What this book covers
      2. What you need for this book
         1. Installing the JDK
         2. Installing and using SBT
         3. Using Eclipse, IntelliJ IDEA, or another IDE
      3. Who this book is for
      4. Conventions
      5. Reader feedback
      6. Customer support
         1. Downloading the example code
         2. Downloading the color images of this book
         3. Errata
         4. Piracy
         5. Questions
   10. 1. Introduction
       1. Concurrent programming
          1. A brief overview of traditional concurrency
          2. Modern concurrency paradigms
       2. The advantages of Scala
       3. Preliminaries
          1. Execution of a Scala program
          2. A Scala primer
       4. Overview of new features in Scala 2.12
       5. Summary
       6. Exercises
   11. 2. Concurrency on the JVM and the Java Memory Model
       1. Processes and threads
          1. Creating and starting threads
          2. Atomic execution
          3. Reordering
       2. Monitors and synchronization
          1. Deadlocks
          2. Guarded blocks
          3. Interrupting threads and the graceful shutdown
       3. Volatile variables
       4. The Java Memory Model
          1. Immutable objects and final fields
       5. Summary
       6. Exercises
   12. 3. Traditional Building Blocks of Concurrency
       1. The Executor and ExecutionContext objects
       2. Atomic primitives
          1. Atomic variables
          2. Lock-free programming
          3. Implementing locks explicitly
          4. The ABA problem
       3. Lazy values
       4. Concurrent collections
          1. Concurrent queues
          2. Concurrent sets and maps
          3. Concurrent traversals
       5. Custom concurrent data structures
          1. Implementing a lock-free concurrent pool
          2. Creating and handling processes
       6. Summary
       7. Exercises
   13. 4. Asynchronous Programming with Futures and Promises
       1. Futures
          1. Starting future computations
          2. Future callbacks
          3. Futures and exceptions
          4. Using the Try type
          5. Fatal exceptions
          6. Functional composition on futures
       2. Promises
          1. Converting callback-based APIs
          2. Extending the future API
          3. Cancellation of asynchronous computations
       3. Futures and blocking
          1. Awaiting futures
          2. Blocking in asynchronous computations
       4. The Scala Async library
       5. Alternative future frameworks
       6. Summary
       7. Exercises
   14. 5. Data-Parallel Collections
       1. Scala collections in a nutshell
       2. Using parallel collections
          1. Parallel collection class hierarchy
          2. Configuring the parallelism level
          3. Measuring the performance on the JVM
       3. Caveats with parallel collections
          1. Non-parallelizable collections
          2. Non-parallelizable operations
          3. Side effects in parallel operations
          4. Nondeterministic parallel operations
          5. Commutative and associative operators
       4. Using parallel and concurrent collections together
          1. Weakly consistent iterators
       5. Implementing custom parallel collections
          1. Splitters
          2. Combiners
       6. Summary
       7. Exercises
   15. 6. Concurrent Programming with Reactive Extensions
       1. Creating Observable objects
          1. Observables and exceptions
          2. The Observable contract
          3. Implementing custom Observable objects
          4. Creating Observables from futures
          5. Subscriptions
       2. Composing Observable objects
          1. Nested Observables
          2. Failure handling in Observables
       3. Rx schedulers
          1. Using custom schedulers for UI applications
       4. Subjects and top-down reactive programming
       5. Summary
       6. Exercises
   16. 7. Software Transactional Memory
       1. The trouble with atomic variables
       2. Using Software Transactional Memory
          1. Transactional references
          2. Using the atomic statement
       3. Composing transactions
          1. The interaction between transactions and side effects
          2. Single-operation transactions
          3. Nesting transactions
          4. Transactions and exceptions
       4. Retrying transactions
          1. Retrying with timeouts
       5. Transactional collections
          1. Transaction-local variables
          2. Transactional arrays
          3. Transactional maps
       6. Summary
       7. Exercises
   17. 8. Actors
       1. Working with actors
          1. Creating actor systems and actors
          2. Managing unhandled messages
          3. Actor behavior and state
          4. Akka actor hierarchy
          5. Identifying actors
          6. The actor lifecycle
       2. Communication between actors
          1. The ask pattern
          2. The forward pattern
          3. Stopping actors
       3. Actor supervision
       4. Remote actors
       5. Summary
       6. Exercises
   18. 9. Concurrency in Practice
       1. Choosing the right tools for the job
       2. Putting it all together - a remote file browser
          1. Modeling the filesystem
          2. The server interface
          3. Client navigation API
          4. The client user interface
          5. Implementing the client logic
          6. Improving the remote file browser
       3. Debugging concurrent programs
          1. Deadlocks and lack of progress
          2. Debugging incorrect program outputs
          3. Performance debugging
       4. Summary
       5. Exercises
   19. 10. Reactors
       1. The need for reactors
       2. Getting started with Reactors
       3. The "Hello World" program
       4. Event streams
          1. Lifecycle of an event stream
          2. Functional composition of event streams
       5. Reactors
          1. Defining and configuring reactors
          2. Using channels
       6. Schedulers
       7. Reactor lifecycle
       8. Reactor system services
          1. The logging service
          2. The clock service
          3. The channels service
          4. Custom services
       9. Protocols
          1. Custom server-client protocol
          2. Standard server-client protocol
             1. Using an existing connector
             2. Creating a new connector
             3. Creating a protocol-specific reactor prototype
             4. Spawning a protocol-specific reactor directly
          3. Router protocol
          4. Two-way protocol
       10. Summary
       11. Exercises