EntityContainer.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Metadata / Edm / EntityContainer.cs / 2 / EntityContainer.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
using System;
using System.Collections.Generic; 
using System.Data.Common;
using System.Text;
using System.Diagnostics;
 
namespace System.Data.Metadata.Edm
{ 
    ///  
    /// Class for representing an entity container
    ///  
    public sealed class EntityContainer : GlobalItem
    {
        #region Constructors
        ///  
        /// The constructor for constructing the EntityContainer object with the name, namespaceName, and version.
        ///  
        /// The name of this entity container 
        /// dataSpace in which this entity container belongs to
        /// Thrown if the name argument is null 
        /// Thrown if the name argument is empty string
        internal EntityContainer(string name, DataSpace dataSpace)
        {
            EntityUtil.CheckStringArgument(name, "name"); 

            _name = name; 
            this.DataSpace = dataSpace; 
            _baseEntitySets = new ReadOnlyMetadataCollection(new EntitySetBaseCollection(this));
            _functionImports = new ReadOnlyMetadataCollection(new MetadataCollection()); 
        }
        #endregion

        #region Fields 
        private readonly string _name;
        private readonly ReadOnlyMetadataCollection _baseEntitySets; 
        private readonly ReadOnlyMetadataCollection _functionImports; 
        #endregion
 
        #region Properties
        /// 
        /// Returns the kind of the type
        ///  
        public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.EntityContainer; } }
 
        ///  
        /// Gets the identity for this item as a string
        ///  
        internal override string Identity
        {
            get
            { 
                return this.Name;
            } 
        } 

        ///  
        /// Get the name of this EntityContainer object
        /// 
        [MetadataProperty(PrimitiveTypeKind.String, false)]
        public String Name 
        {
            get 
            { 
                return _name;
            } 
        }

        /// 
        /// Gets the collection of entity sets 
        /// 
        [MetadataProperty(BuiltInTypeKind.EntitySetBase, true)] 
        public ReadOnlyMetadataCollection BaseEntitySets 
        {
            get 
            {
                return _baseEntitySets;
            }
        } 

        ///  
        /// Gets the collection of function imports for this entity container 
        /// 
        [MetadataProperty(BuiltInTypeKind.EdmFunction, true)] 
        internal ReadOnlyMetadataCollection FunctionImports
        {
            get
            { 
                return _functionImports;
            } 
        } 
        #endregion
 
        #region Methods
        /// 
        /// Sets this item to be readonly, once this is set, the item will never be writable again.
        ///  
        internal override void SetReadOnly()
        { 
            if (!IsReadOnly) 
            {
                base.SetReadOnly(); 
                this.BaseEntitySets.Source.SetReadOnly();
                this.FunctionImports.Source.SetReadOnly();
            }
        } 

        ///  
        /// Get the entity set with the given name 
        /// 
        /// name of the entity set to look up for 
        /// true if you want to do a case-insensitive lookup
        /// 
        public EntitySet GetEntitySetByName(string name, bool ignoreCase)
        { 
            EntitySet entitySet = (BaseEntitySets.GetValue(name, ignoreCase) as EntitySet);
            if (null != entitySet) 
            { 
                return entitySet;
            } 
            throw EntityUtil.InvalidEntitySetName(name);
        }

        ///  
        /// Get the entity set with the given name or return null if not found
        ///  
        /// name of the entity set to look up for 
        /// true if you want to do a case-insensitive lookup
        /// out parameter that will contain the result 
        /// 
        /// if name argument is null
        public bool TryGetEntitySetByName(string name, bool ignoreCase, out EntitySet entitySet)
        { 
            EntityUtil.CheckArgumentNull(name, "name");
            EntitySetBase baseEntitySet = null; 
            entitySet = null; 
            if (this.BaseEntitySets.TryGetValue(name, ignoreCase, out baseEntitySet))
            { 
                if (Helper.IsEntitySet(baseEntitySet))
                {
                    entitySet = (EntitySet)baseEntitySet;
                    return true; 
                }
            } 
            return false; 
        }
 
        /// 
        /// Get the relationship set with the given name
        /// 
        /// name of the relationship set to look up for 
        /// true if you want to do a case-insensitive lookup
        ///  
        public RelationshipSet GetRelationshipSetByName(string name, bool ignoreCase) 
        {
            RelationshipSet relationshipSet; 
            if (!this.TryGetRelationshipSetByName(name, ignoreCase, out relationshipSet))
            {
                throw EntityUtil.InvalidRelationshipSetName(name);
            } 
            return relationshipSet;
 
        } 

        ///  
        /// Get the relationship set with the given name
        /// 
        /// name of the relationship set to look up for
        /// true if you want to do a case-insensitive lookup 
        /// out parameter that will have the result
        ///  
        /// if name argument is null 
        public bool TryGetRelationshipSetByName(string name, bool ignoreCase, out RelationshipSet relationshipSet)
        { 
            EntityUtil.CheckArgumentNull(name, "name");
            EntitySetBase baseEntitySet = null;
            relationshipSet = null;
            if (this.BaseEntitySets.TryGetValue(name, ignoreCase, out baseEntitySet)) 
            {
                if (Helper.IsRelationshipSet(baseEntitySet)) 
                { 
                    relationshipSet = (RelationshipSet)baseEntitySet;
                    return true; 
                }
            }
            return false;
        } 

        ///  
        /// Overriding System.Object.ToString to provide better String representation 
        /// for this type.
        ///  
        public override string ToString()
        {
            return Name;
        } 

        internal void AddEntitySetBase(EntitySetBase entitySetBase) 
        { 
            _baseEntitySets.Source.Add(entitySetBase);
        } 

        internal void AddFunctionImport(EdmFunction function)
        {
            Debug.Assert(null != function); 
            _functionImports.Source.Add(function);
        } 
        #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.Data.Common;
using System.Text;
using System.Diagnostics;
 
namespace System.Data.Metadata.Edm
{ 
    ///  
    /// Class for representing an entity container
    ///  
    public sealed class EntityContainer : GlobalItem
    {
        #region Constructors
        ///  
        /// The constructor for constructing the EntityContainer object with the name, namespaceName, and version.
        ///  
        /// The name of this entity container 
        /// dataSpace in which this entity container belongs to
        /// Thrown if the name argument is null 
        /// Thrown if the name argument is empty string
        internal EntityContainer(string name, DataSpace dataSpace)
        {
            EntityUtil.CheckStringArgument(name, "name"); 

            _name = name; 
            this.DataSpace = dataSpace; 
            _baseEntitySets = new ReadOnlyMetadataCollection(new EntitySetBaseCollection(this));
            _functionImports = new ReadOnlyMetadataCollection(new MetadataCollection()); 
        }
        #endregion

        #region Fields 
        private readonly string _name;
        private readonly ReadOnlyMetadataCollection _baseEntitySets; 
        private readonly ReadOnlyMetadataCollection _functionImports; 
        #endregion
 
        #region Properties
        /// 
        /// Returns the kind of the type
        ///  
        public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.EntityContainer; } }
 
        ///  
        /// Gets the identity for this item as a string
        ///  
        internal override string Identity
        {
            get
            { 
                return this.Name;
            } 
        } 

        ///  
        /// Get the name of this EntityContainer object
        /// 
        [MetadataProperty(PrimitiveTypeKind.String, false)]
        public String Name 
        {
            get 
            { 
                return _name;
            } 
        }

        /// 
        /// Gets the collection of entity sets 
        /// 
        [MetadataProperty(BuiltInTypeKind.EntitySetBase, true)] 
        public ReadOnlyMetadataCollection BaseEntitySets 
        {
            get 
            {
                return _baseEntitySets;
            }
        } 

        ///  
        /// Gets the collection of function imports for this entity container 
        /// 
        [MetadataProperty(BuiltInTypeKind.EdmFunction, true)] 
        internal ReadOnlyMetadataCollection FunctionImports
        {
            get
            { 
                return _functionImports;
            } 
        } 
        #endregion
 
        #region Methods
        /// 
        /// Sets this item to be readonly, once this is set, the item will never be writable again.
        ///  
        internal override void SetReadOnly()
        { 
            if (!IsReadOnly) 
            {
                base.SetReadOnly(); 
                this.BaseEntitySets.Source.SetReadOnly();
                this.FunctionImports.Source.SetReadOnly();
            }
        } 

        ///  
        /// Get the entity set with the given name 
        /// 
        /// name of the entity set to look up for 
        /// true if you want to do a case-insensitive lookup
        /// 
        public EntitySet GetEntitySetByName(string name, bool ignoreCase)
        { 
            EntitySet entitySet = (BaseEntitySets.GetValue(name, ignoreCase) as EntitySet);
            if (null != entitySet) 
            { 
                return entitySet;
            } 
            throw EntityUtil.InvalidEntitySetName(name);
        }

        ///  
        /// Get the entity set with the given name or return null if not found
        ///  
        /// name of the entity set to look up for 
        /// true if you want to do a case-insensitive lookup
        /// out parameter that will contain the result 
        /// 
        /// if name argument is null
        public bool TryGetEntitySetByName(string name, bool ignoreCase, out EntitySet entitySet)
        { 
            EntityUtil.CheckArgumentNull(name, "name");
            EntitySetBase baseEntitySet = null; 
            entitySet = null; 
            if (this.BaseEntitySets.TryGetValue(name, ignoreCase, out baseEntitySet))
            { 
                if (Helper.IsEntitySet(baseEntitySet))
                {
                    entitySet = (EntitySet)baseEntitySet;
                    return true; 
                }
            } 
            return false; 
        }
 
        /// 
        /// Get the relationship set with the given name
        /// 
        /// name of the relationship set to look up for 
        /// true if you want to do a case-insensitive lookup
        ///  
        public RelationshipSet GetRelationshipSetByName(string name, bool ignoreCase) 
        {
            RelationshipSet relationshipSet; 
            if (!this.TryGetRelationshipSetByName(name, ignoreCase, out relationshipSet))
            {
                throw EntityUtil.InvalidRelationshipSetName(name);
            } 
            return relationshipSet;
 
        } 

        ///  
        /// Get the relationship set with the given name
        /// 
        /// name of the relationship set to look up for
        /// true if you want to do a case-insensitive lookup 
        /// out parameter that will have the result
        ///  
        /// if name argument is null 
        public bool TryGetRelationshipSetByName(string name, bool ignoreCase, out RelationshipSet relationshipSet)
        { 
            EntityUtil.CheckArgumentNull(name, "name");
            EntitySetBase baseEntitySet = null;
            relationshipSet = null;
            if (this.BaseEntitySets.TryGetValue(name, ignoreCase, out baseEntitySet)) 
            {
                if (Helper.IsRelationshipSet(baseEntitySet)) 
                { 
                    relationshipSet = (RelationshipSet)baseEntitySet;
                    return true; 
                }
            }
            return false;
        } 

        ///  
        /// Overriding System.Object.ToString to provide better String representation 
        /// for this type.
        ///  
        public override string ToString()
        {
            return Name;
        } 

        internal void AddEntitySetBase(EntitySetBase entitySetBase) 
        { 
            _baseEntitySets.Source.Add(entitySetBase);
        } 

        internal void AddFunctionImport(EdmFunction function)
        {
            Debug.Assert(null != function); 
            _functionImports.Source.Add(function);
        } 
        #endregion 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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EntityContainer.cs source code in C# .NET

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