Route constraint to allow constraint odata route by query string or headers which is partically used in versioning scenario. For example, you may set query string constraint to v=1 and the route that matching it will be considered as a v1 request and corresponding model will be used to server it
Inheritance: System.Web.OData.Routing.ODataPathRouteConstraint
ODataVersionRouteConstraint Class Documentation
Esempio n. 1
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        /// <summary>
        /// Map odata route with query string or header constraints
        /// </summary>
        public static void MapODataServiceRoute(
            this HttpRouteCollection routes,
            string routeName,
            string routePrefix,
            IEdmModel model,
            IODataPathHandler pathHandler,
            IEnumerable <IODataRoutingConvention> routingConventions,
            object queryConstraints,
            object headerConstraints)
        {
            if (routes == null)
            {
                throw new ArgumentNullException(nameof(routes));
            }

            string routeTemplate = string.IsNullOrEmpty(routePrefix) ? ODataRouteConstants.ODataPathTemplate : routePrefix + "/" + ODataRouteConstants.ODataPathTemplate;
            ODataVersionRouteConstraint routeConstraint = new ODataVersionRouteConstraint(pathHandler, model, routeName, routingConventions, queryConstraints, headerConstraints);
            var constraints = new HttpRouteValueDictionary();

            constraints.Add(ODataRouteConstants.ConstraintName, routeConstraint);
            routes.MapHttpRoute(
                routeName,
                routeTemplate,
                defaults: null,
                constraints: constraints);
        }
Esempio n. 2
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        /// <summary>
        /// Map odata route with query string or header constraints
        /// </summary>
        public static void MapODataServiceRoute(
            this HttpRouteCollection routes,
            string routeName,
            string routePrefix,
            IEdmModel model,
            IODataPathHandler pathHandler,
            IEnumerable<IODataRoutingConvention> routingConventions,
            object queryConstraints,
            object headerConstraints)
        {
            if (routes == null)
            {
                throw new ArgumentNullException(nameof(routes));
            }

            string routeTemplate = string.IsNullOrEmpty(routePrefix) ? ODataRouteConstants.ODataPathTemplate : routePrefix + "/" + ODataRouteConstants.ODataPathTemplate;
            ODataVersionRouteConstraint routeConstraint = new ODataVersionRouteConstraint(routeName, queryConstraints, headerConstraints);
            var constraints = new HttpRouteValueDictionary();
            constraints.Add(ODataRouteConstants.ConstraintName, routeConstraint);
            routes.MapHttpRoute(
                routeName,
                routeTemplate, null, constraints);
        }