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POMake a WCF .NET service implementation implement multiple ServiceContract interfaces
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  1. POMake a WCF .NET service implementation implement multiple ServiceContract interfaces
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    copied!<p>I am developing a RESTful webservice using WCF. I would like to have a <code>ServiceContract</code> interface that all my services implement, however, I would also like each service to aditionally implement their own methods.</p> <p>In my Global.asax file I initialize the service routes:</p> <pre><code>RouteTable.Routes.Add(new ServiceRoute("iOSAppService", new WebServiceHostFactory(), typeof(Service.iOSAppService))); RouteTable.Routes.Add(new ServiceRoute("AndroidAppService", new WebServiceHostFactory(), typeof(Service.AndroidAppService))); RouteTable.Routes.Add(new ServiceRoute("WindowsPhoneAppService", new WebServiceHostFactory(), typeof(Service.WindowsPhoneAppService))); </code></pre> <p>Each of the services must implement the <code>IAppService</code> interface:</p> <pre><code>[ServiceContract] public interface IAppService </code></pre> <p>Which is implemented as follows:</p> <pre><code>[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall)] public class iOSAppService : IAppService </code></pre> <p>However, I would for instance also like the <code>iOSAppService</code> to implement the IiOSApService interface:</p> <pre><code>[ServiceContract] public interface IiOSAppService </code></pre> <p>Thus resulting in the implementation:</p> <pre><code>public class iOSAppService : IAppService, IiOSAppService </code></pre> <p>However, this results in the following exception:</p> <blockquote> <p><em>Service 'iOSAppService' implements multiple ServiceContract types, and no endpoints are defined in the configuration file. WebServiceHost can set up default endpoints, but only if the service implements only a single ServiceContract. Either change the service to only implement a single ServiceContract, or else define endpoints for the service explicitly in the configuration file.</em></p> </blockquote> <p>Does anyone know how I can achieve my goal?</p>
 

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