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WCF Multi-layer Services Development with Entity Framework - Fourth Edition

Name: WCF Multi-layer Services Development with Entity Framework - Fourth Edition
Author: Mike Liu
ISBN: 9781784391041

by Mike Liu

October 2014

Intermediate to advanced

378 pages

8h 15m

English

Packt Publishing

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WCF Multi-layer Services Development with Entity Framework Fourth Edition
Table of Contents
WCF Multi-layer Services Development with Entity Framework Fourth Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
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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. Implementing a Basic HelloWorld WCF Service
The basic WCF conceptsAddressBindingContractThe service contractThe operation contractThe message contractThe data contractThe fault contractEndpointBehaviorHostingChannelsMetadataWCF environments
Creating the HelloWorld solution and project
Defining the HelloWorldService service contract interface
Implementing the HelloWorldService service contract
Hosting the WCF service in IIS Express
Creating the host applicationTesting the host applicationIIS ExpressModifying the Web.config fileStarting the host application
Creating a client to consume the WCF service
Creating the client application projectGenerating the proxy and configuration filesCustomizing the client applicationRunning the client applicationSetting the service application to autostart
Summary
2. Hosting the HelloWorld WCF Service
WCF hosting optionsHosting the service in a managed applicationHosting the service in a console applicationConsuming the service hosted in a console applicationHosting the service in a Windows serviceHosting the service in IIS using the HTTP protocolPreparing the folders and filesStarting IISEnabling WCF services on Windows 8Creating the IIS applicationStarting the WCF service in IISTesting the WCF service hosted in IIS using the HTTP protocolHosting the service in IIS using the TCP protocolBenefits of hosting a WCF service using the TCP protocolPreparing the folders and filesEnabling the TCP WCF activation for the host machineCreating the IIS applicationTesting the WCF service hosted in IIS using the TCP protocol
Summary
3. Deploying the HelloWorld WCF Service
Publishing the HelloWorldService from Visual StudioPublishing from Visual Studio to an on-premise computerCreating the publishing projectPublishing the HelloWorldServiceTesting the servicePublishing to the cloudCreating the profile to be publishedCreating the cloud websitePublishing the HelloWorldService to the cloud websiteTesting the service
Publishing the HelloWorldService using a deployment package
Creating the packageInstalling the packageTesting the service
Summary
4. Debugging the HelloWorld WCF Service
Debugging a WCF service from a client applicationStarting the debugging processDebugging the client applicationStepping into the WCF service
Directly debugging the WCF service
Starting the WCF service in the debugging modeStarting the client application
Attaching the debugger to a running WCF service process
Running the WCF service and client applications in a non-debugging modeDebugging the WCF service hosted in IIS
Debugging a WCF service hosted in the cloud
Enabling debugging of the serviceAttaching to the cloud service processDebugging the service
Summary
5. Implementing a Three-layer WCF Service
Why layer a service?
Creating a new solution and project using the built-in WCF service template
Creating the WCF service project
Creating the service interface layer
Creating service interfacesCreating data contractsImplementing the service contractsModifying the App.config fileTesting the service using the WCF Test ClientTesting the service using your own client
Adding a business logic layer
Adding the business domain object projectAdding the business logic projectCalling the business logic layer from the service interface layerTesting the WCF service with a business logic layer
Summary
6. Adding Database Support and Exception Handling
Adding a data access layerCreating the data access layer projectCalling the data access layer from the business logic layerPreparing the databaseAdding the connection string to the configuration fileQuerying the database using GetProductTesting the GetProduct methodUpdating the database using UpdateProductTesting the UpdateProduct method
Adding error handling to the service
Adding a fault contractThrowing a fault contract exceptionUpdating the client program to catch the fault exceptionChanging the exception optionsTesting the fault exception
Summary
7. LINQ to Entities – Basic Concepts and Features
LINQ to Entities
Creating a LINQ to Entities test application
Creating the data model
Installing Entity FrameworkAdding a LINQ to Entities item to the projectThe generated LINQ to Entities classes
Querying and updating a database table
Querying recordsUpdating recordsInserting recordsDeleting recordsRunning the program
Viewing the generated SQL statements
Viewing the SQL statements using ToStringViewing the SQL statements using SQL Profiler
Deferred execution
Checking deferred execution with SQL ProfilerDeferred execution for aggregation methodsDeferred execution for aggregation methods within sequence expressions
Deferred execution – lazy loading versus eager loading
Lazy loading by defaultEager loading with the Include methodComparing lazy loading and eager loading
Joining two tables
Querying a view
Summary
8. LINQ to Entities – Advanced Concepts and Features
Calling a stored procedureMapping a stored procedure to a new entity classAdding a stored procedure to the modelQuerying a stored procedureMapping a stored procedure to an existing entity class
Handling simultaneous (concurrent) updates
Detecting conflicts using a data columnThe Concurrency Mode propertyAdding another entity data modelWriting the test codeTesting the conflictsTurning on concurrency verificationDetecting conflicts using a version columnAdding a version columnModeling the Products table with a version columnWriting the test codeTesting the conflicts
Transaction support
Implicit transactionsExplicit transactions
Summary
9. Applying LINQ to Entities to a WCF Service
Creating the LINQNorthwind solution
Installing Entity Framework
Modeling the Northwind database
Creating the business domain object project
Using LINQ to Entities in the data access layer
Adding a reference to the BDO projectCreating GetProduct in the data access layerCreating UpdateProduct in the data access layer
Creating the business logic layer
Creating the service interface layer
Testing the service with the WCF Test Client
Testing concurrency with our own client
Hosting the WCF service in IIS
Creating the test clientImplementing the GetProduct functionalityImplementing the UpdateProduct functionalityTesting the GetProduct and UpdateProduct operationsTesting concurrent updates manuallyTesting concurrent updates automatically
Summary
10. Distributed Transaction Support of WCF
Creating the DistNorthwind solution
Hosting the WCF service in IIS
Testing the transaction behavior of the existing WCF service
Creating a client to call the WCF service sequentiallyTesting the sequential calls to the WCF serviceWrapping the WCF service calls in one transaction scopeTesting the multiple database support of the WCF serviceConfiguring a remote database on a remote machineCreating a new WCF serviceCalling the new WCF service in the client applicationTesting the WCF service with two databases
Enabling distributed transaction support
Enabling transaction flow in service bindingEnabling transaction flow on the service hosting the applicationModifying the service operation contract to allow a transaction flowModifying the service operation implementation to require a transaction scope
Understanding the distributed transaction support of a WCF service
Testing the distributed transaction support of the new WCF service
Configuring the Microsoft Distributed Transaction CoordinatorConfiguring the firewallPropagating a transaction from the client to the WCF serviceTesting the distributed transaction support with one databaseTesting the distributed transaction support with two databases
Trade-offs of distributed transactions
Summary
11. Building a RESTful WCF Service
SOAP versus REST
WCF REST versus the ASP.NET Web API
Creating the RESTNorthwind solution
Creating the RESTful service
Defining RESTful service contractsImplementing the RESTful serviceModifying the configuration file
Testing the RESTful service in a browser
Testing the RESTful WCF service with a C#/XAML client
Creating the C#/XAML clientImplementing the GetProduct method of the C#/XAML clientTesting the GetProduct method of the C#/XAML clientImplementing the UpdateProduct method of the C#/XAML clientTesting the UpdateProduct method of the C#/XAML client
Testing the RESTful WCF service with a JavaScript client
Creating the JavaScript clientTesting the service with jQueryInstalling jQuery to the client projectImplementing the GetProductJQuery methodTesting the GetProductJQuery method of the JavaScript clientImplementing the UpdateProductJQuery methodTesting the UpdateProductJQuery method of the JavaScript clientTesting the service with WinJSImplementing the GetProductWinJS methodTesting the GetProductWinJS method of the JavaScript clientImplementing the UpdateProductWinJS methodTesting the UpdateProductWinJS method of the JavaScript client
Summary
12. WCF Security
WCF security componentsWCF authorizationWCF auditingWCF transfer securityWCF security modesWCF transport securityWCF message securityWCF mixed securityWCF transport and message securityAuthentication options for transport securityAuthentication options for message security
Hosting a WCF service using basic authentication
Setting up the serviceEnabling the Basic Authentication featureConfiguring basic authentication on IISConfiguring the HTTPS protocolConfiguring basic authentication on the serviceTesting the service with basic authentication
Hosting a WCF service with Windows authentication
Summary
13. Extending WCF Services
The WCF runtime architecture
Why extend WCF services?
WCF extension points
Client-side extension pointsService-side extension points
Extending a WCF service
WCF extension classesWCF behavior classesWCF behavior element classesApplying the extensions
Extending HelloWorldService
Setting up the serviceCreating the extension projectCreating an extension classCreating a behavior classCreating a behavior element classApplying the extension to HelloWorldServiceTesting the extended HelloWorldService
Summary
Index

Overview

This book provides a comprehensive guide to developing and deploying multi-layer web services using WCF (Windows Communication Foundation) and the Entity Framework. You will learn to build robust, secure, and scalable services while leveraging the powerful features of these technologies.

What this Book will help me do

Develop complete WCF services from scratch to advanced implementations.
Integrate Entity Framework data models seamlessly into WCF projects.
Apply RESTful architecture principles to WCF services for modern API design.
Ensure WCF service security through authentication and data protection.
Debug, test, and optimize multi-tier applications using proven techniques.

Author(s)

None Liu is a seasoned developer with extensive experience in both WCF and the Entity Framework. With a passion for software architecture and elegant solutions, None has written several well-received books. This approachable writing style reflects a deep knowledge while encouraging best practices in application development.

Who is it for?

This book is ideal for developers experienced with C#, VB.NET, or C and looking to master WCF and Entity Framework. It suits professionals at an intermediate level in database management or service-oriented architecture. Architects seeking to choose SOA technologies for their projects will find it particularly beneficial. You should have some understanding of Entity Framework to best follow along.

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