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Glad you are doing well. Home Podcast About Podcast Archive. Next time we will dig into the designers and begin to implement the entities in our project. Jeffrey Meyer on May 14th, This is great, tuna! Pete on Software on July 20th, […] you missed the beginning of the series, you should check out Part 1 and Part 2 before beginning this part if you want to follow […].
Pete on Software on July 20th, […] in the home stretch. DataContracts project. The same can be done for the service contract model, which generates code in the PizzaService.
MessageContracts, PizzaService. ServiceContracts, and PizzaService. ServiceImplementation projects. Generating code for the host model is done in two steps: we generate code once for the host and once for the client. When we click the button, the model is validated correctly and we then are presented with the Generate Service button.
Clicking this, as you've surely guessed by now, generates code in the PizzaService. Host project. Now to generate the client, we first have to run the host, so we compile the PizzaService. Host project and run it in a Web browser.
Next we click on the PizzaProxy in our host model and click generate code. This opens a wizard, shown in Figure 9 , that allows us to configure the client. While the service address is filled in automatically by the Service Factory, we go ahead and define the security settings for the host. For instance, if an X. At this point, the service is ready to use and can be published in IIS. Business logic and entities for the service can be added to the PizzaService.
BusinessEntities and PizzaService. BusinessLogic projects. The only other thing we need to do is create a new partial class, called PizzaServicePeedy, in the PizzaService. ServiceImplementation project. This is used to add business logic to the generated service implementation. Unfortunately, if we edit the generated code directly, our logic will be overwritten the next time we generate code. But with a partial class, this is not the case since the generator does not touch a file we have created ourselves.
To show this, we have defined a class in the PizzaService. It's important to note that this is not a recommended practice—it's much better if the business logic doesn't "know" anything about the service, which is why there is a translation layer. To support this process, Service Factory has a translator built in that helps you translate your data contract into business entities. But while you may not want to do this in production, we're using this technique here as a simple way to illustrate a fundamental point.
This method takes a PizzaOrder data contract as a parameter and returns the price of the order. The only thing we need to do now is encapsulate this price in a MessageContract and then return the MessageContract. Therefore, to do this we create a partial class in the PizzaService. This partial class is shown in Figure To test our service, we start the PizzaService. In the PizzaService. Client project, we can then define the following method to call the service:.
When the program runs, the number 7 is printed to the output window of Visual Studio, as this is the price for every type of large pizza available at Peedy's. The Service Factory automates many things for you when building services. But what if you need to do things a little bit differently or you need to integrate these services with your existing application framework?
Well, the full source code of the Service Factory is available on the CodePlex site www. When you look at the Service Factory source, you'll find that it consists of the following parts:.
Domain-Specific Languages Specifically, these include the data contract, host designer, and service contract. These projects specify how the modeling languages are constructed and visualized. Extenders There are six extender projects. Service Factory Guidance Package This contains the solutions template and the custom context menus.
Libraries These contain the code-generation framework, validation framework, code-generation strategies, and the validation rules. For this discussion, we will divide the customizations into two categories: those that require you to rebuild the source and those that don't require you to rebuild the source extensions. These are outlined in Figure
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