Defining and Implementing a Contract<\/p>\n
using System.ServiceModel;\r\n\r\n\/\/a WCF contract defined using an interface\r\n[ServiceContract]\r\npublic interface IMath\r\n{\r\n [OperationContract]\r\n int Add(int x, int y);\r\n}\r\n\r\n\r\n<\/pre>\n\/\/the service class implements the interface\r\npublic class MathService : IMath\r\n{\r\n public int Add(int x, int y)\r\n { return x + y; }\r\n}\r\n\r\n\r\nDefining Endpoints and Starting the Service\r\n\r\n<\/pre>\npublic class WCFServiceApp\r\n{\r\n public void DefineEndpointImperatively()\r\n {\r\n \/\/create a service host for MathService\r\n ServiceHost sh = new ServiceHost(typeof(MathService));\r\n\r\n \/\/use the AddEndpoint helper method to\r\n \/\/create the ServiceEndpoint and add it \r\n \/\/to the ServiceDescription\r\n sh.AddServiceEndpoint(\r\n typeof(IMath), \/\/contract type\r\n new WSHttpBinding(), \/\/one of the built-in bindings\r\n \"http:\/\/localhost\/MathService\/Ep1\"); \/\/the endpoint's address\r\n\r\n \/\/create and open the service runtime\r\n sh.Open();\r\n\r\n }\r\n\r\n public void DefineEndpointInConfig()\r\n {\r\n \/\/create a service host for MathService\r\n ServiceHost sh = new ServiceHost (typeof(MathService));\r\n\r\n \/\/create and open the service runtime\r\n sh.Open();\r\n\r\n }\r\n}\r\n<!-- configuration file used by above code -->\r\n<configuration \r\n xmlns=\"http:\/\/schemas.microsoft.com\/.NetConfiguration\/v2.0\">\r\n <system.serviceModel>\r\n <services>\r\n <!-- service element references the service type -->\r\n <service type=\"MathService\">\r\n <!-- endpoint element defines the ABC's of the endpoint -->\r\n <endpoint \r\n address=\"http:\/\/localhost\/MathService\/Ep1\"\r\n binding=\"wsHttpBinding\"\r\n contract=\"IMath\"\/>\r\n <\/service>\r\n <\/services>\r\n <\/system.serviceModel>\r\n<\/configuration>\r\n\r\n\r\n\r\n<\/pre>\nSending Messages to an Endpoint<\/h3>\nusing System.ServiceModel;\r\n\/\/this contract is generated by svcutil.exe\r\n\/\/from the service's metadata\r\npublic interface IMath\r\n{\r\n [OperationContract]\r\n public int Add(int x, int y)\r\n { return x + y; }\r\n}\r\n\r\n\r\n\/\/this class is generated by svcutil.exe\r\n\/\/from the service's metadata\r\n\/\/generated config is not shown here\r\npublic class MathProxy : IMath\r\n{\r\n ...\r\n}\r\n\r\npublic class WCFClientApp\r\n{\r\n public void SendMessageToEndpoint()\r\n {\r\n \/\/this uses a proxy class that was\r\n \/\/created by svcutil.exe from the service's metadata\r\n MathProxy proxy = new MathProxy();\r\n\r\n int result = proxy.Add(35, 7);\r\n }\r\n public void SendMessageToEndpointUsingChannel()\r\n {\r\n \/\/this uses ChannelFactory to create the channel\r\n \/\/you must specify the address, the binding and \r\n \/\/the contract type (IMath)\r\n ChannelFactory<IMath> factory=new ChannelFactory<IMath>(\r\n new WSHttpBinding(),\r\n new EndpointAddress(\"http:\/\/localhost\/MathService\/Ep1\"));\r\n IMath channel=factory.CreateChannel();\r\n int result=channel.Add(35,7);\r\n factory.Close();\r\n\r\n }\r\n}\r\n\r\nReference:\r\nhttp:\/\/msdn.microsoft.com\/en-us\/library\/aa480210.aspx\r\nhttp:\/\/msdn.microsoft.com\/en-us\/library\/ms731082%28v=vs.110%29.aspx<\/a>\r\n\r\n<\/pre>\n From: http:\/\/sitestree.com\/?p=1305
Categories:Root, By Sayed Ahmed
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Post Data:2014-08-06 21:04:33<\/p>\n
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\n\t\tMedium: https:\/\/medium.com\/@SayedAhmedCanada <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Defining and Implementing a Contract using System.ServiceModel; \/\/a WCF contract defined using an interface [ServiceContract] public interface IMath { [OperationContract] int Add(int x, int y); } \/\/the service class implements the interface public class MathService : IMath { public int Add(int x, int y) { return x + y; } } Defining Endpoints and Starting … <\/p>\n