113 lines
4.3 KiB
C#
113 lines
4.3 KiB
C#
//---------------------------------------------------------------------
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// <copyright file="StorageScalarPropertyMapping.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//
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// @owner Microsoft
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// @backupOwner Microsoft
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//---------------------------------------------------------------------
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using System;
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using System.Diagnostics;
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using System.Collections.Generic;
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using System.Text;
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using System.Data.Metadata.Edm;
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using System.Data.Mapping.ViewGeneration.Utils;
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namespace System.Data.Mapping {
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/// <summary>
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/// Mapping metadata for scalar properties.
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/// </summary>
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/// <example>
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/// For Example if conceptually you could represent the CS MSL file as following
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/// --Mapping
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/// --EntityContainerMapping ( CNorthwind-->SNorthwind )
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/// --EntitySetMapping
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/// --EntityTypeMapping
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/// --MappingFragment
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/// --EntityKey
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/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
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/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
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/// --EntityTypeMapping
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/// --MappingFragment
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/// --EntityKey
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/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
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/// --ComplexPropertyMap
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/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
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/// --ScalarProperyMap ( CMemberMetadata-->SMemberMetadata )
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/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
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/// --AssociationSetMapping
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/// --AssociationTypeMapping
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/// --MappingFragment
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/// --EndPropertyMap
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/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
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/// --ScalarProperyMap ( CMemberMetadata-->SMemberMetadata )
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/// --EndPropertyMap
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/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
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/// This class represents the metadata for all the scalar property map elements in the
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/// above example.
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/// </example>
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internal class StorageScalarPropertyMapping : StoragePropertyMapping {
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#region Constructors
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/// <summary>
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/// Construct a new Scalar EdmProperty mapping object
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/// </summary>
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/// <param name="member"></param>
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/// <param name="columnMember"></param>
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internal StorageScalarPropertyMapping(EdmProperty member, EdmProperty columnMember)
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: base(member) {
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Debug.Assert(columnMember != null);
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Debug.Assert(
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Helper.IsScalarType(member.TypeUsage.EdmType),
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"StorageScalarPropertyMapping must only map primitive or enum types");
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Debug.Assert(Helper.IsPrimitiveType(columnMember.TypeUsage.EdmType), "StorageScalarPropertyMapping must only map primitive types");
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this.m_columnMember = columnMember;
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}
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#endregion
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#region Fields
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/// <summary>
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/// S-side member for which the scalar property is being mapped.
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/// This will be interpreted by the view generation algorithm based on the context.
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/// </summary>
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EdmProperty m_columnMember;
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#endregion
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#region Properties
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/// <summary>
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/// column name from which the sclar property is being mapped
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/// </summary>
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internal EdmProperty ColumnProperty
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{
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get {
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return this.m_columnMember;
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}
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}
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#endregion
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#region Methods
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/// <summary>
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/// This method is primarily for debugging purposes.
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/// Will be removed shortly.
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/// </summary>
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/// <param name="index"></param>
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internal override void Print(int index) {
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StorageEntityContainerMapping.GetPrettyPrintString(ref index);
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StringBuilder sb = new StringBuilder();
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sb.Append("ScalarPropertyMapping");
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sb.Append(" ");
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if (this.EdmProperty != null) {
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sb.Append("Name:");
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sb.Append(this.EdmProperty.Name);
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sb.Append(" ");
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}
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if (this.ColumnProperty != null) {
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sb.Append("Column Name:");
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sb.Append(this.ColumnProperty.Name);
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}
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Console.WriteLine(sb.ToString());
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}
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#endregion
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}
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}
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