Understanding Query Interceptors
Query interceptors are public methods for intercepting HTTP GET requests and allow developers to handle the reading request. Such methods are decorated with the QueryInterceptor attribute that simply requires specifying the entity set name. For a better understanding, consider the following interceptor (to be implemented within the NorthwindService class) that returns only orders from the specified culture:
OnQueryOrders will be invoked on the service each time an HTTP GET requests is sent to the service. The code just returns only orders where the ShipCountry property’s value is Italy, if the client culture (the ...
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