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//---------------------------------------------------------------------
// <copyright file="StorageEndPropertyMapping.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//
// @owner Microsoft
// @backupOwner Microsoft
//---------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Data.Metadata.Edm;
namespace System.Data.Mapping {
/// <summary>
/// Mapping metadata for End property of an association.
/// </summary>
/// <example>
/// For Example if conceptually you could represent the CS MSL file as following
/// --Mapping
/// --EntityContainerMapping ( CNorthwind-->SNorthwind )
/// --EntitySetMapping
/// --EntityTypeMapping
/// --MappingFragment
/// --EntityKey
/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
/// --EntityTypeMapping
/// --MappingFragment
/// --EntityKey
/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
/// --ComplexPropertyMap
/// --ComplexTypeMapping
/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
/// --ScalarProperyMap ( CMemberMetadata-->SMemberMetadata )
/// --DiscriminatorProperyMap ( constant value-->SMemberMetadata )
/// --ComplexTypeMapping
/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
/// --ScalarProperyMap ( CMemberMetadata-->SMemberMetadata )
/// --DiscriminatorProperyMap ( constant value-->SMemberMetadata )
/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
/// --AssociationSetMapping
/// --AssociationTypeMapping
/// --MappingFragment
/// --EndPropertyMap
/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
/// --ScalarProperyMap ( CMemberMetadata-->SMemberMetadata )
/// --EndPropertyMap
/// --ScalarPropertyMap ( CMemberMetadata-->SMemberMetadata )
/// This class represents the metadata for all the end property map elements in the
/// above example. EndPropertyMaps provide mapping for each end of the association.
/// </example>
internal class StorageEndPropertyMapping : StoragePropertyMapping {
#region Constructors
/// <summary>
/// Construct a new End Property mapping object
/// </summary>
/// <param name="member"></param>
internal StorageEndPropertyMapping(EdmProperty member)
: base(member) {
}
#endregion
#region Fields
/// <summary>
/// List of property mappings that make up the End.
/// </summary>
List<StoragePropertyMapping> m_properties = new List<StoragePropertyMapping>();
RelationshipEndMember m_endMember = null;
#endregion
#region Properties
/// <summary>
/// return ReadOnlyCollection of property mappings that are children of this End mapping
/// </summary>
internal ReadOnlyCollection<StoragePropertyMapping> Properties {
get {
return this.m_properties.AsReadOnly();
}
}
/// <summary>
/// The relation end property Metadata object for which the mapping is represented.
/// </summary>
internal RelationshipEndMember EndMember {
get {
return this.m_endMember;
}
set {
this.m_endMember = value;
}
}
/// <summary>
/// Returns all store properties that are mapped under this mapping fragment
/// </summary>
internal IEnumerable<EdmMember> StoreProperties
{
get
{
return m_properties.OfType<StorageScalarPropertyMapping>().Select((propertyMap => propertyMap.ColumnProperty)).Cast<EdmMember>();
}
}
#endregion
#region Methods
/// <summary>
/// Add a property mapping as a child of End property mapping
/// </summary>
/// <param name="prop"></param>
internal void AddProperty(StoragePropertyMapping prop) {
this.m_properties.Add(prop);
}
/// <summary>
/// This method is primarily for debugging purposes.
/// Will be removed shortly.
/// </summary>
/// <param name="index"></param>
internal override void Print(int index) {
StorageEntityContainerMapping.GetPrettyPrintString(ref index);
StringBuilder sb = new StringBuilder();
sb.Append("EndPropertyMapping");
sb.Append(" ");
if (this.EndMember != null) {
sb.Append("Name:");
sb.Append(this.EndMember.Name);
sb.Append(" ");
sb.Append("TypeName:");
sb.Append(this.EndMember.TypeUsage.EdmType.FullName);
}
sb.Append(" ");
Console.WriteLine(sb.ToString());
foreach (StoragePropertyMapping propertyMapping in Properties) {
propertyMapping.Print(index + 5);
}
}
#endregion
}
}
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