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Multithreading with C# Cookbook, Second Edition - Second Edition

Name: Multithreading with C# Cookbook, Second Edition - Second Edition
Author: Evgenii Agafonov
ISBN: 9781785881251

by Evgenii Agafonov

April 2016

Intermediate to advanced

264 pages

5h 16m

English

Packt Publishing

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Multithreading with C# Cookbook Second Edition
Table of Contents
Multithreading with C# Cookbook Second Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
eBooks, discount offers, and moreWhy Subscribe?
Preface
What this book covers
What you need for this book
Who this book is for

Conventions
Reader feedback
Customer support
Downloading the example codeErrataPiracyQuestions
1. Threading Basics
Introduction
Creating a thread in C#
Getting readyHow to do it...How it works...
Pausing a thread
Getting readyHow to do it...How it works...
Making a thread wait
Getting readyHow to do it...How it works...
Aborting a thread
Getting readyHow to do it...How it works...
Determining a thread state
Getting readyHow to do it...How it works...
Thread priority
Getting readyHow to do it...How it works...
Foreground and background threads
Getting readyHow to do it...How it works...
Passing parameters to a thread
Getting readyHow to do it...How it works...There's more…
Locking with a C# lock keyword
Getting readyHow to do it...How it works...
Locking with a Monitor construct
Getting readyHow to do it...How it works...
Handling exceptions
Getting readyHow to do it...How it works...
2. Thread Synchronization
Introduction
Performing basic atomic operations
Getting readyHow to do it...How it works...
Using the Mutex construct
Getting readyHow to do it...How it works...
Using the SemaphoreSlim construct
Getting readyHow to do it...How it works...There's more…
Using the AutoResetEvent construct
Getting readyHow to do it...How it works...
Using the ManualResetEventSlim construct
Getting readyHow to do it...How it works...There's more…
Using the CountDownEvent construct
Getting readyHow to do it...How it works...
Using the Barrier construct
Getting readyHow to do it...How it works...
Using the ReaderWriterLockSlim construct
Getting readyHow to do it...How it works...
Using the SpinWait construct
Getting readyHow to do it...How it works...
3. Using a Thread Pool
Introduction
Invoking a delegate on a thread pool
Getting readyHow to do it...How it works...
Posting an asynchronous operation on a thread pool
Getting readyHow to do it...How it works...
A thread pool and the degree of parallelism
Getting readyHow to do it...How it works...
Implementing a cancellation option
Getting readyHow to do it...How it works...
Using a wait handle and timeout with a thread pool
Getting readyHow to do it...How it works...There's more…
Using a timer
Getting readyHow to do it...How it works...
Using the BackgroundWorker component
Getting readyHow to do it...How it works...
4. Using the Task Parallel Library
Introduction
Creating a task
Getting readyHow to do it...How it works...
Performing basic operations with a task
Getting readyHow to do it...How it works...
Combining tasks
Getting readyHow to do it...How it works...
Converting the APM pattern to tasks
Getting readyHow to do it...How it works...
Converting the EAP pattern to tasks
Getting readyHow to do it...How it works...
Implementing a cancelation option
Getting readyHow to do it...How it works...
Handling exceptions in tasks
Getting readyHow to do it...How it works...There's more…
Running tasks in parallel
Getting readyHow to do it...How it works...
Tweaking the execution of tasks with TaskScheduler
Getting readyHow to do it...How it works...
5. Using C# 6.0
Introduction
Using the await operator to get asynchronous task results
Getting readyHow to do it...How it works...
Using the await operator in a lambda expression
Getting readyHow to do it...How it works...
Using the await operator with consequent asynchronous tasks
Getting readyHow to do it...How it works...
Using the await operator for the execution of parallel asynchronous tasks
Getting readyHow to do it...How it works...
Handling exceptions in asynchronous operations
Getting readyHow to do it...How it works...
Avoiding the use of the captured synchronization context
Getting readyHow to do it...How it works...
Working around the async void method
Getting readyHow to do it...How it works...
Designing a custom awaitable type
Getting readyHow to do it...How it works...
Using the dynamic type with await
Getting readyHow to do it...How it works...
6. Using Concurrent Collections
Introduction
Using ConcurrentDictionary
Getting readyHow to do it...How it works...
Implementing asynchronous processing using ConcurrentQueue
Getting readyHow to do it...How it works...
Changing asynchronous processing order with ConcurrentStack
Getting readyHow to do it...How it works...
Creating a scalable crawler with ConcurrentBag
Getting readyHow to do it...How it works...
Generalizing asynchronous processing with BlockingCollection
Getting readyHow to do it...How it works...
7. Using PLINQ
Introduction
Using the Parallel class
Getting readyHow to do it...How it works...
Parallelizing a LINQ query
Getting readyHow to do it...How it works...
Tweaking the parameters of a PLINQ query
Getting readyHow to do it...How it works...
Handling exceptions in a PLINQ query
Getting readyHow to do it...How it works...
Managing data partitioning in a PLINQ query
Getting readyHow to do it...How it works...
Creating a custom aggregator for a PLINQ query
Getting readyHow to do it...How it works...
8. Reactive Extensions
Introduction
Converting a collection to an asynchronous Observable
Getting readyHow to do it...How it works...
Writing custom Observable
Getting readyHow to do it...How it works...
Using the Subject type family
Getting readyHow to do it...How it works...
Creating an Observable object
Getting readyHow to do it...How it works...
Using LINQ queries against an observable collection
Getting readyHow to do it...How it works...
Creating asynchronous operations with Rx
Getting readyHow to do it...How it works...
9. Using Asynchronous I/O
Introduction
Working with files asynchronously
Getting readyHow to do it...How it works...
Writing an asynchronous HTTP server and client
Getting readyHow to do it...How it works...
Working with a database asynchronously
Getting readyHow to do it...How it works...
Calling a WCF service asynchronously
Getting readyHow to do it...How it works...
10. Parallel Programming Patterns
Introduction
Implementing Lazy-evaluated shared states
Getting readyHow to do it...How it works...
Implementing Parallel Pipeline with BlockingCollection
Getting readyHow to do it...How it works...
Implementing Parallel Pipeline with TPL DataFlow
Getting readyHow to do it...How it works...
Implementing Map/Reduce with PLINQ
Getting readyHow to do it...How it works...
11. There's More
Introduction
Using a timer in a Universal Windows Platform application
Getting readyHow to do it...How it works...
Using WinRT from usual applications
Getting readyHow to do it...How it works...
Using BackgroundTask in Universal Windows Platform applications
Getting readyHow to do it...How it works...
Running a .NET Core application on OS X
Getting readyHow to do it...How it works...
Running a .NET Core application on Ubuntu Linux
Getting readyHow to do it...How it works...
Index

Content preview from Multithreading with C# Cookbook, Second Edition - Second Edition

Using LINQ queries against an observable collection

This recipe shows you how to use LINQ to query an asynchronous sequence of events.

Getting ready

To work through this recipe, you will need Visual Studio 2015. No other prerequisites are required. The source code for this recipe can be found at BookSamples\Chapter8\Recipe5.

How to do it...

To understand the use of LINQ queries against the observable collection, perform the following steps:

Start Visual Studio 2015. Create a new C# console application project.
Add a reference to the Reactive Extensions Main Library NuGet package. Refer to the Converting a collection to asynchronous observable recipe for details on how to do this.
In the Program.cs file, add the following using directives:
```
using System; ...
```

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