Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataWeb / Client / System / Data / Services / Client / ALinq / NavigationPropertySingletonExpression.cs / 3 / NavigationPropertySingletonExpression.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // //// Respresents a navigation to a singleton property. // // // @owner [....] //--------------------------------------------------------------------- namespace System.Data.Services.Client { using System; using System.Linq; using System.Linq.Expressions; using System.Collections.Generic; using System.Diagnostics; ///ResourceSet Expression internal class NavigationPropertySingletonExpression : ResourceExpression { ///source expression private readonly Expression source; ///property member name private readonly Expression memberExpression; ////// Creates a NavigationPropertySingletonExpression expression /// /// the return type of the expression /// the source expression /// property member name /// expand paths for resource set /// custom query options for resourcse set internal NavigationPropertySingletonExpression(Type type, Expression source, Expression memberExpression, ListexpandPaths, Dictionary customQueryOptions) : base((ExpressionType)ResourceExpressionType.ResourceNavigationPropertySingleton, type, expandPaths, customQueryOptions) { this.source = source; this.memberExpression = memberExpression; } /// /// Gets the member expression. /// internal MemberExpression MemberExpression { get { return (MemberExpression)this.memberExpression; } } ////// Gets the source expression. /// internal Expression Source { get { return this.source; } } ////// The resource type of the singe instance produced by this singleton navigation. /// internal override Type ResourceType { get { return this.memberExpression.Type; } } ////// Singleton navigation properties always produce at most 1 result /// internal override bool IsSingleton { get { return true; } } ////// Does Singleton navigation have query options. /// internal override bool HasQueryOptions { get { return this.ExpandPaths.Count > 0 || this.CustomQueryOptions.Count > 0; } } ////// Cast changes the type of the ResourceExpression /// /// new type ///new NavigationPropertySingletonExpression internal override ResourceExpression Cast(Type type) { NavigationPropertySingletonExpression rse = new NavigationPropertySingletonExpression( type, this.source, this.MemberExpression, this.ExpandPaths.ToList(), this.CustomQueryOptions.ToDictionary(kvp => kvp.Key, kvp => kvp.Value)); return rse; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // //// Respresents a navigation to a singleton property. // // // @owner [....] //--------------------------------------------------------------------- namespace System.Data.Services.Client { using System; using System.Linq; using System.Linq.Expressions; using System.Collections.Generic; using System.Diagnostics; ///ResourceSet Expression internal class NavigationPropertySingletonExpression : ResourceExpression { ///source expression private readonly Expression source; ///property member name private readonly Expression memberExpression; ////// Creates a NavigationPropertySingletonExpression expression /// /// the return type of the expression /// the source expression /// property member name /// expand paths for resource set /// custom query options for resourcse set internal NavigationPropertySingletonExpression(Type type, Expression source, Expression memberExpression, ListexpandPaths, Dictionary customQueryOptions) : base((ExpressionType)ResourceExpressionType.ResourceNavigationPropertySingleton, type, expandPaths, customQueryOptions) { this.source = source; this.memberExpression = memberExpression; } /// /// Gets the member expression. /// internal MemberExpression MemberExpression { get { return (MemberExpression)this.memberExpression; } } ////// Gets the source expression. /// internal Expression Source { get { return this.source; } } ////// The resource type of the singe instance produced by this singleton navigation. /// internal override Type ResourceType { get { return this.memberExpression.Type; } } ////// Singleton navigation properties always produce at most 1 result /// internal override bool IsSingleton { get { return true; } } ////// Does Singleton navigation have query options. /// internal override bool HasQueryOptions { get { return this.ExpandPaths.Count > 0 || this.CustomQueryOptions.Count > 0; } } ////// Cast changes the type of the ResourceExpression /// /// new type ///new NavigationPropertySingletonExpression internal override ResourceExpression Cast(Type type) { NavigationPropertySingletonExpression rse = new NavigationPropertySingletonExpression( type, this.source, this.MemberExpression, this.ExpandPaths.ToList(), this.CustomQueryOptions.ToDictionary(kvp => kvp.Key, kvp => kvp.Value)); return rse; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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