StorageSetMapping.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Mapping / StorageSetMapping.cs / 2 / StorageSetMapping.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;
using System.Data.Common.Utils; 
using System.Diagnostics;
using System.Linq; 
 
namespace System.Data.Mapping {
 
    using Triple = Pair>;

    /// 
    /// Represents the Mapping metadata for an Extent in ES space. 
    /// 
    ///  
    /// For Example if conceptually you could represent the ES MSL file as following 
    /// --Mapping
    ///   --EntityContainerMapping ( CNorthwind-->SNorthwind ) 
    ///     --EntitySetMapping
    ///       --EntityTypeMapping
    ///         --TableMappingFragment
    ///       --EntityTypeMapping 
    ///         --TableMappingFragment
    ///     --AssociationSetMapping 
    ///       --AssociationTypeMapping 
    ///         --TableMappingFragment
    ///   --EntityContainerMapping ( CMyDatabase-->SMyDatabase ) 
    ///     --CompositionSetMapping
    ///       --CompositionTypeMapping
    /// This class represents the metadata for all the extent map elements in the
    /// above example namely EntitySetMapping, AssociationSetMapping and CompositionSetMapping. 
    /// The SetMapping elements that are children of the EntityContainerMapping element
    /// can be accessed through the properties on this type. 
    ///  
    internal abstract class StorageSetMapping
    { 
        #region Constructors
        /// 
        /// Construct the new ExtentMapping object.
        ///  
        /// Extent metadata object
        /// The EntityContainer mapping that contains this extent mapping 
        internal StorageSetMapping(EntitySetBase extent, StorageEntityContainerMapping entityContainerMapping) { 
            this.m_entityContainerMapping = entityContainerMapping;
            this.m_extent = extent; 
            this.m_typeMappings = new List();
        }
        #endregion
 
        #region Fields
        private StorageEntityContainerMapping m_entityContainerMapping;  //The EntityContainer mapping that contains this extent mapping 
        private EntitySetBase m_extent;  //The extent for which this mapping represents. 
        private List m_typeMappings;  //Set of type mappings that make up the Set Mapping
                                                          //Unless this is a EntitySetMapping with inheritance, 
                                                          //you would have a single type mapping per set
        private string m_queryView;  //User defined Query View for the EntitySet
        private int m_startLineNumber; //Line Number for Set Mapping element start tag
        private int m_startLinePosition; //Line position for Set Mapping element start tag 

 
        //Stores type-Specific user-defined QueryViews 
        private Dictionary m_typeSpecificQueryViews =
            new Dictionary(Triple.PairComparer.Instance); 

        #endregion

        #region Properties 
        /// 
        /// The set for which this mapping is for 
        ///  
        internal EntitySetBase Set
        { 
            get {
                return this.m_extent;
            }
        } 

        /////  
        ///// TypeMappings that make up this set type. 
        ///// For AssociationSet and CompositionSet there will be one type( atleast thats what
        ///// we expect as of now). EntitySet could have mappings for multiple Entity types. 
        ///// 
        internal ReadOnlyCollection TypeMappings
        {
            get 
            {
                return this.m_typeMappings.AsReadOnly(); 
            } 
        }
 
        internal StorageEntityContainerMapping EntityContainerMapping
        {
            get
            { 
                return m_entityContainerMapping;
            } 
        } 

        ///  
        /// Whether the SetMapping has empty content
        /// Returns true if there no table Mapping fragments
        /// 
        internal virtual bool HasNoContent 
        {
            get 
            { 
                if (QueryView != null)
                { 
                    return false;
                }
                foreach (StorageTypeMapping typeMap in TypeMappings)
                { 
                    foreach (StorageMappingFragment mapFragment in typeMap.MappingFragments)
                    { 
                        foreach (StoragePropertyMapping propertyMap in mapFragment.AllProperties) 
                        {
                            return false; 
                        }

                    }
                } 
                return true;
            } 
        } 

        internal string QueryView 
        {
            get { return m_queryView; }
            set { m_queryView = value; }
        } 

        ///  
        /// Line Number in MSL file where the Set Mapping Element's Start Tag is present. 
        /// 
        internal int StartLineNumber 
        {
            get
            {
                return m_startLineNumber; 
            }
            set 
            { 
                m_startLineNumber = value;
            } 
        }

        /// 
        /// Line Position in MSL file where the Set Mapping Element's Start Tag is present. 
        /// 
        internal int StartLinePosition 
        { 
            get
            { 
                return m_startLinePosition;
            }
            set
            { 
                m_startLinePosition = value;
            } 
        } 
        #endregion
 

        #region Methods
        /// 
        /// Add type mapping as a child under this SetMapping 
        /// 
        ///  
        internal void AddTypeMapping(StorageTypeMapping typeMapping) 
        {
            this.m_typeMappings.Add(typeMapping); 
        }

        /// 
        /// This method is primarily for debugging purposes. 
        /// Will be removed shortly.
        ///  
        internal abstract void Print(int index); 

 
        internal bool ContainsTypeSpecificQueryView(Triple key)
        {
            return m_typeSpecificQueryViews.ContainsKey(key);
        } 

        ///  
        /// Stores a type-specific user-defiend QueryView so that it can be loaded 
        /// into StorageMappingItemCollection's view cache.
        ///  
        internal void AddTypeSpecificQueryView(Triple key, string viewString)
        {
            Debug.Assert(!m_typeSpecificQueryViews.ContainsKey(key), "Query View already present for the given Key");
            m_typeSpecificQueryViews.Add(key, viewString); 
        }
 
        internal ReadOnlyCollection GetTypeSpecificQVKeys() 
        {
            return new ReadOnlyCollection(m_typeSpecificQueryViews.Keys.ToList()); 
        }

        internal string GetTypeSpecificQueryView(Triple key)
        { 
            Debug.Assert(m_typeSpecificQueryViews.ContainsKey(key));
            return m_typeSpecificQueryViews[key]; 
        } 

        #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;
using System.Data.Common.Utils; 
using System.Diagnostics;
using System.Linq; 
 
namespace System.Data.Mapping {
 
    using Triple = Pair>;

    /// 
    /// Represents the Mapping metadata for an Extent in ES space. 
    /// 
    ///  
    /// For Example if conceptually you could represent the ES MSL file as following 
    /// --Mapping
    ///   --EntityContainerMapping ( CNorthwind-->SNorthwind ) 
    ///     --EntitySetMapping
    ///       --EntityTypeMapping
    ///         --TableMappingFragment
    ///       --EntityTypeMapping 
    ///         --TableMappingFragment
    ///     --AssociationSetMapping 
    ///       --AssociationTypeMapping 
    ///         --TableMappingFragment
    ///   --EntityContainerMapping ( CMyDatabase-->SMyDatabase ) 
    ///     --CompositionSetMapping
    ///       --CompositionTypeMapping
    /// This class represents the metadata for all the extent map elements in the
    /// above example namely EntitySetMapping, AssociationSetMapping and CompositionSetMapping. 
    /// The SetMapping elements that are children of the EntityContainerMapping element
    /// can be accessed through the properties on this type. 
    ///  
    internal abstract class StorageSetMapping
    { 
        #region Constructors
        /// 
        /// Construct the new ExtentMapping object.
        ///  
        /// Extent metadata object
        /// The EntityContainer mapping that contains this extent mapping 
        internal StorageSetMapping(EntitySetBase extent, StorageEntityContainerMapping entityContainerMapping) { 
            this.m_entityContainerMapping = entityContainerMapping;
            this.m_extent = extent; 
            this.m_typeMappings = new List();
        }
        #endregion
 
        #region Fields
        private StorageEntityContainerMapping m_entityContainerMapping;  //The EntityContainer mapping that contains this extent mapping 
        private EntitySetBase m_extent;  //The extent for which this mapping represents. 
        private List m_typeMappings;  //Set of type mappings that make up the Set Mapping
                                                          //Unless this is a EntitySetMapping with inheritance, 
                                                          //you would have a single type mapping per set
        private string m_queryView;  //User defined Query View for the EntitySet
        private int m_startLineNumber; //Line Number for Set Mapping element start tag
        private int m_startLinePosition; //Line position for Set Mapping element start tag 

 
        //Stores type-Specific user-defined QueryViews 
        private Dictionary m_typeSpecificQueryViews =
            new Dictionary(Triple.PairComparer.Instance); 

        #endregion

        #region Properties 
        /// 
        /// The set for which this mapping is for 
        ///  
        internal EntitySetBase Set
        { 
            get {
                return this.m_extent;
            }
        } 

        /////  
        ///// TypeMappings that make up this set type. 
        ///// For AssociationSet and CompositionSet there will be one type( atleast thats what
        ///// we expect as of now). EntitySet could have mappings for multiple Entity types. 
        ///// 
        internal ReadOnlyCollection TypeMappings
        {
            get 
            {
                return this.m_typeMappings.AsReadOnly(); 
            } 
        }
 
        internal StorageEntityContainerMapping EntityContainerMapping
        {
            get
            { 
                return m_entityContainerMapping;
            } 
        } 

        ///  
        /// Whether the SetMapping has empty content
        /// Returns true if there no table Mapping fragments
        /// 
        internal virtual bool HasNoContent 
        {
            get 
            { 
                if (QueryView != null)
                { 
                    return false;
                }
                foreach (StorageTypeMapping typeMap in TypeMappings)
                { 
                    foreach (StorageMappingFragment mapFragment in typeMap.MappingFragments)
                    { 
                        foreach (StoragePropertyMapping propertyMap in mapFragment.AllProperties) 
                        {
                            return false; 
                        }

                    }
                } 
                return true;
            } 
        } 

        internal string QueryView 
        {
            get { return m_queryView; }
            set { m_queryView = value; }
        } 

        ///  
        /// Line Number in MSL file where the Set Mapping Element's Start Tag is present. 
        /// 
        internal int StartLineNumber 
        {
            get
            {
                return m_startLineNumber; 
            }
            set 
            { 
                m_startLineNumber = value;
            } 
        }

        /// 
        /// Line Position in MSL file where the Set Mapping Element's Start Tag is present. 
        /// 
        internal int StartLinePosition 
        { 
            get
            { 
                return m_startLinePosition;
            }
            set
            { 
                m_startLinePosition = value;
            } 
        } 
        #endregion
 

        #region Methods
        /// 
        /// Add type mapping as a child under this SetMapping 
        /// 
        ///  
        internal void AddTypeMapping(StorageTypeMapping typeMapping) 
        {
            this.m_typeMappings.Add(typeMapping); 
        }

        /// 
        /// This method is primarily for debugging purposes. 
        /// Will be removed shortly.
        ///  
        internal abstract void Print(int index); 

 
        internal bool ContainsTypeSpecificQueryView(Triple key)
        {
            return m_typeSpecificQueryViews.ContainsKey(key);
        } 

        ///  
        /// Stores a type-specific user-defiend QueryView so that it can be loaded 
        /// into StorageMappingItemCollection's view cache.
        ///  
        internal void AddTypeSpecificQueryView(Triple key, string viewString)
        {
            Debug.Assert(!m_typeSpecificQueryViews.ContainsKey(key), "Query View already present for the given Key");
            m_typeSpecificQueryViews.Add(key, viewString); 
        }
 
        internal ReadOnlyCollection GetTypeSpecificQVKeys() 
        {
            return new ReadOnlyCollection(m_typeSpecificQueryViews.Keys.ToList()); 
        }

        internal string GetTypeSpecificQueryView(Triple key)
        { 
            Debug.Assert(m_typeSpecificQueryViews.ContainsKey(key));
            return m_typeSpecificQueryViews[key]; 
        } 

        #endregion 
    }
}

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

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