KeyConstraint.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 / Map / ViewGeneration / Validation / KeyConstraint.cs / 1 / KeyConstraint.cs

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

 
using System.Data.Common.Utils;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics; 

namespace System.Data.Mapping.ViewGeneration.Validation { 
    // Class representing a key constraint for particular cellrelation 
    internal class KeyConstraint : InternalBase
        where TCellRelation : CellRelation { 

        #region Constructor
        //  Constructs a key constraint for the given relation and keyslots
        //  with comparer being the comparison operator for comparing various 
        //  keyslots in Implies, etc
        internal KeyConstraint(TCellRelation relation, IEnumerable keySlots, IEqualityComparer comparer) { 
            m_relation = relation; 
            m_keySlots = new Set(keySlots, comparer).MakeReadOnly();
            Debug.Assert(m_keySlots.Count > 0, "Key constraint being created without any keyslots?"); 
        }
        #endregion

        #region Fields 
        private TCellRelation m_relation;
        private Set m_keySlots; 
        #endregion 

        #region Properties 
        protected TCellRelation CellRelation {
            get { return m_relation; }
        }
 
        protected Set KeySlots {
            get { return m_keySlots;} 
        } 
        #endregion
 
        #region Methods
        internal override void ToCompactString(StringBuilder builder) {
            StringUtil.FormatStringBuilder(builder, "Key (V{0}) - ", m_relation.CellNumber);
            StringUtil.ToSeparatedStringSorted(builder, KeySlots, ", "); 
            // The slots contain the name of the relation: So we skip
            // printing the CellRelation 
        } 
        #endregion
    } 
}

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

 
using System.Data.Common.Utils;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics; 

namespace System.Data.Mapping.ViewGeneration.Validation { 
    // Class representing a key constraint for particular cellrelation 
    internal class KeyConstraint : InternalBase
        where TCellRelation : CellRelation { 

        #region Constructor
        //  Constructs a key constraint for the given relation and keyslots
        //  with comparer being the comparison operator for comparing various 
        //  keyslots in Implies, etc
        internal KeyConstraint(TCellRelation relation, IEnumerable keySlots, IEqualityComparer comparer) { 
            m_relation = relation; 
            m_keySlots = new Set(keySlots, comparer).MakeReadOnly();
            Debug.Assert(m_keySlots.Count > 0, "Key constraint being created without any keyslots?"); 
        }
        #endregion

        #region Fields 
        private TCellRelation m_relation;
        private Set m_keySlots; 
        #endregion 

        #region Properties 
        protected TCellRelation CellRelation {
            get { return m_relation; }
        }
 
        protected Set KeySlots {
            get { return m_keySlots;} 
        } 
        #endregion
 
        #region Methods
        internal override void ToCompactString(StringBuilder builder) {
            StringUtil.FormatStringBuilder(builder, "Key (V{0}) - ", m_relation.CellNumber);
            StringUtil.ToSeparatedStringSorted(builder, KeySlots, ", "); 
            // The slots contain the name of the relation: So we skip
            // printing the CellRelation 
        } 
        #endregion
    } 
}

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

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