StorageEntityTypeMapping.cs source code in C# .NET

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Code:

/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Mapping / StorageEntityTypeMapping.cs / 1 / StorageEntityTypeMapping.cs

                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner [....],[....]
//--------------------------------------------------------------------- 
 

using System; 
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Text;
using System.Data.Metadata.Edm; 

namespace System.Data.Mapping { 
    ///  
    /// Mapping metadata for Entity type.
    /// If an EntitySet represents entities of more than one type, than we will have 
    /// more than one EntityTypeMapping for an EntitySet( For ex : if
    /// PersonSet Entity extent represents entities of types Person and Customer,
    /// than we will have two EntityType Mappings under mapping for PersonSet).
    ///  
    /// 
    /// For Example if conceptually you could represent the CS MSL file as following 
    /// --Mapping 
    ///   --EntityContainerMapping ( CNorthwind-->SNorthwind )
    ///     --EntitySetMapping 
    ///       --EntityTypeMapping
    ///         --TableMappingFragment
    ///           --EntityKey
    ///             --ScalarPropertyMap 
    ///           --ScalarPropertyMap
    ///       --EntityTypeMapping 
    ///         --TableMappingFragment 
    ///           --EntityKey
    ///             --ScalarPropertyMap 
    ///           --ComplexPropertyMap
    ///             --ScalarPropertyMap
    ///             --ScalarProperyMap
    ///           --ScalarPropertyMap 
    ///     --AssociationSetMapping
    ///       --AssociationTypeMapping 
    ///         --TableMappingFragment 
    ///           --EndPropertyMap
    ///             --ScalarPropertyMap 
    ///             --ScalarProperyMap
    ///           --EndPropertyMap
    ///             --ScalarPropertyMap
    ///   --EntityContainerMapping ( CMyDatabase-->SMyDatabase ) 
    ///     --CompositionSetMapping
    ///       --CompositionTypeMapping 
    ///         --TableMappingFragment 
    ///           --ParentEntityKey
    ///             --ScalarPropertyMap 
    ///             --ScalarPropertyMap
    ///           --EntityKey
    ///             --ScalarPropertyMap
    ///             --ScalarPropertyMap 
    ///           --ComplexPropertyMap
    ///             --ScalarPropertyMap 
    ///             --ScalarProperyMap 
    ///           --ScalarPropertyMap
    /// This class represents the metadata for all entity Type map elements in the 
    /// above example. Users can access the table mapping fragments under the
    /// entity type mapping through this class.
    /// 
 
    internal class StorageEntityTypeMapping : StorageTypeMapping {
        #region Constructors 
        ///  
        /// Construct the new EntityTypeMapping object.
        ///  
        /// Set Mapping that contains this Type mapping 
        internal StorageEntityTypeMapping(StorageSetMapping setMapping)
            : base(setMapping) {
        } 
        #endregion
 
        #region Fields 
        private Dictionary m_entityTypes = new Dictionary(StringComparer.Ordinal);  //Types for which the mapping holds true for.
        private Dictionary m_isOfEntityTypes = new Dictionary(StringComparer.Ordinal);  //Types for which the mapping holds true for 
        // not only the type specified but the sub-types of that type as well.
        #endregion

        #region Properties 
        /// 
        /// a list of TypeMetadata that this mapping holds true for. 
        ///  
        internal override ReadOnlyCollection Types {
            get { 
                return new List(m_entityTypes.Values).AsReadOnly();
            }
        }
 
        /// 
        /// a list of TypeMetadatas for which the mapping holds true for 
        /// not only the type specified but the sub-types of that type as well. 
        /// 
        internal override ReadOnlyCollection IsOfTypes { 
            get {
                return new List(m_isOfEntityTypes.Values).AsReadOnly();
            }
        } 
        #endregion
 
 

        #region Methods 
        /// 
        /// Add a Type to the list of types that this mapping is valid for
        /// 
        internal void AddType(EdmType type) { 
            this.m_entityTypes.Add(type.FullName, type);
        } 
 
        /// 
        /// Add a Type to the list of Is-Of types that this mapping is valid for 
        /// 
        internal void AddIsOfType(EdmType type) {
            this.m_isOfEntityTypes.Add(type.FullName, type);
        } 

 
 
        internal EntityType GetContainerType(string memberName) {
            foreach (EntityType type in m_entityTypes.Values) { 
                if (type.Properties.Contains(memberName))
                {
                    return type;
                } 
            }
 
            foreach (EntityType type in m_isOfEntityTypes.Values) 
            {
                if (type.Properties.Contains(memberName)) 
                {
                    return type;
                }
            } 
            return null;
        } 
 

        ///  
        /// This method is primarily for debugging purposes.
        /// Will be removed shortly.
        /// 
        ///  
        internal override void Print(int index) {
            StorageEntityContainerMapping.GetPrettyPrintString(ref index); 
            StringBuilder sb = new StringBuilder(); 
            sb.Append("EntityTypeMapping");
            sb.Append("   "); 
            foreach (EdmType type in m_entityTypes.Values) {
                sb.Append("Types:");
                sb.Append(type.FullName);
                sb.Append("   "); 
            }
            foreach (EdmType type in m_isOfEntityTypes.Values) { 
                sb.Append("Is-Of Types:"); 
                sb.Append(type.FullName);
                sb.Append("   "); 
            }


            Console.WriteLine(sb.ToString()); 
            foreach (StorageMappingFragment fragment in MappingFragments) {
                fragment.Print(index + 5); 
            } 
        }
        #endregion 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner [....],[....]
//--------------------------------------------------------------------- 
 

using System; 
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Text;
using System.Data.Metadata.Edm; 

namespace System.Data.Mapping { 
    ///  
    /// Mapping metadata for Entity type.
    /// If an EntitySet represents entities of more than one type, than we will have 
    /// more than one EntityTypeMapping for an EntitySet( For ex : if
    /// PersonSet Entity extent represents entities of types Person and Customer,
    /// than we will have two EntityType Mappings under mapping for PersonSet).
    ///  
    /// 
    /// For Example if conceptually you could represent the CS MSL file as following 
    /// --Mapping 
    ///   --EntityContainerMapping ( CNorthwind-->SNorthwind )
    ///     --EntitySetMapping 
    ///       --EntityTypeMapping
    ///         --TableMappingFragment
    ///           --EntityKey
    ///             --ScalarPropertyMap 
    ///           --ScalarPropertyMap
    ///       --EntityTypeMapping 
    ///         --TableMappingFragment 
    ///           --EntityKey
    ///             --ScalarPropertyMap 
    ///           --ComplexPropertyMap
    ///             --ScalarPropertyMap
    ///             --ScalarProperyMap
    ///           --ScalarPropertyMap 
    ///     --AssociationSetMapping
    ///       --AssociationTypeMapping 
    ///         --TableMappingFragment 
    ///           --EndPropertyMap
    ///             --ScalarPropertyMap 
    ///             --ScalarProperyMap
    ///           --EndPropertyMap
    ///             --ScalarPropertyMap
    ///   --EntityContainerMapping ( CMyDatabase-->SMyDatabase ) 
    ///     --CompositionSetMapping
    ///       --CompositionTypeMapping 
    ///         --TableMappingFragment 
    ///           --ParentEntityKey
    ///             --ScalarPropertyMap 
    ///             --ScalarPropertyMap
    ///           --EntityKey
    ///             --ScalarPropertyMap
    ///             --ScalarPropertyMap 
    ///           --ComplexPropertyMap
    ///             --ScalarPropertyMap 
    ///             --ScalarProperyMap 
    ///           --ScalarPropertyMap
    /// This class represents the metadata for all entity Type map elements in the 
    /// above example. Users can access the table mapping fragments under the
    /// entity type mapping through this class.
    /// 
 
    internal class StorageEntityTypeMapping : StorageTypeMapping {
        #region Constructors 
        ///  
        /// Construct the new EntityTypeMapping object.
        ///  
        /// Set Mapping that contains this Type mapping 
        internal StorageEntityTypeMapping(StorageSetMapping setMapping)
            : base(setMapping) {
        } 
        #endregion
 
        #region Fields 
        private Dictionary m_entityTypes = new Dictionary(StringComparer.Ordinal);  //Types for which the mapping holds true for.
        private Dictionary m_isOfEntityTypes = new Dictionary(StringComparer.Ordinal);  //Types for which the mapping holds true for 
        // not only the type specified but the sub-types of that type as well.
        #endregion

        #region Properties 
        /// 
        /// a list of TypeMetadata that this mapping holds true for. 
        ///  
        internal override ReadOnlyCollection Types {
            get { 
                return new List(m_entityTypes.Values).AsReadOnly();
            }
        }
 
        /// 
        /// a list of TypeMetadatas for which the mapping holds true for 
        /// not only the type specified but the sub-types of that type as well. 
        /// 
        internal override ReadOnlyCollection IsOfTypes { 
            get {
                return new List(m_isOfEntityTypes.Values).AsReadOnly();
            }
        } 
        #endregion
 
 

        #region Methods 
        /// 
        /// Add a Type to the list of types that this mapping is valid for
        /// 
        internal void AddType(EdmType type) { 
            this.m_entityTypes.Add(type.FullName, type);
        } 
 
        /// 
        /// Add a Type to the list of Is-Of types that this mapping is valid for 
        /// 
        internal void AddIsOfType(EdmType type) {
            this.m_isOfEntityTypes.Add(type.FullName, type);
        } 

 
 
        internal EntityType GetContainerType(string memberName) {
            foreach (EntityType type in m_entityTypes.Values) { 
                if (type.Properties.Contains(memberName))
                {
                    return type;
                } 
            }
 
            foreach (EntityType type in m_isOfEntityTypes.Values) 
            {
                if (type.Properties.Contains(memberName)) 
                {
                    return type;
                }
            } 
            return null;
        } 
 

        ///  
        /// This method is primarily for debugging purposes.
        /// Will be removed shortly.
        /// 
        ///  
        internal override void Print(int index) {
            StorageEntityContainerMapping.GetPrettyPrintString(ref index); 
            StringBuilder sb = new StringBuilder(); 
            sb.Append("EntityTypeMapping");
            sb.Append("   "); 
            foreach (EdmType type in m_entityTypes.Values) {
                sb.Append("Types:");
                sb.Append(type.FullName);
                sb.Append("   "); 
            }
            foreach (EdmType type in m_isOfEntityTypes.Values) { 
                sb.Append("Is-Of Types:"); 
                sb.Append(type.FullName);
                sb.Append("   "); 
            }


            Console.WriteLine(sb.ToString()); 
            foreach (StorageMappingFragment fragment in MappingFragments) {
                fragment.Print(index + 5); 
            } 
        }
        #endregion 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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