Pair.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 / Common / Utils / Pair.cs / 1 / Pair.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 

using System; 
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics; 
using System.Linq;
 
 
namespace System.Data.Common.Utils
{ 
    internal class Pair : InternalBase
    {
        #region Fields
        private readonly TFirst first; 
        private readonly TSecond second;
 
        #endregion 

        #region Constructor 
        internal Pair(TFirst first, TSecond second)
        {
            this.first = first;
            this.second = second; 
        }
        #endregion 
 
        #region Properties
        internal TFirst First 
        {
            get
            {
                return first; 
            }
        } 
 
        internal TSecond Second
        { 
            get
            {
                return second;
            } 
        }
        #endregion 
 
        #region Methods
        public override int GetHashCode() 
        {
            return (first.GetHashCode()<<5) ^ second.GetHashCode();
        }
 
        public bool Equals(Pair other)
        { 
            return first.Equals(other.first) && second.Equals(other.second); 
        }
 
        public override bool Equals(object other)
        {
            Pair otherPair = other as Pair;
 
            return (otherPair != null && Equals(otherPair));
        } 
        #endregion 

        #region InternalBase 
        internal override void ToCompactString(StringBuilder builder)
        {
            builder.Append("<");
            builder.Append(first.ToString()); 
            builder.Append(", "+second.ToString());
            builder.Append(">"); 
        } 
        #endregion
 

        internal class PairComparer : IEqualityComparer>
        {
            private PairComparer() { } 

            internal static readonly PairComparer Instance = new PairComparer(); 
            private static readonly EqualityComparer firstComparer = EqualityComparer.Default; 
            private static readonly EqualityComparer secondComparer = EqualityComparer.Default;
 
            public bool Equals(Pair x, Pair y)
            {
                return firstComparer.Equals(x.First, y.First) && secondComparer.Equals(x.Second, y.Second);
            } 

            public int GetHashCode(Pair source) 
            { 
                return source.GetHashCode();
            } 
        }
    }

 

} 

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

using System; 
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics; 
using System.Linq;
 
 
namespace System.Data.Common.Utils
{ 
    internal class Pair : InternalBase
    {
        #region Fields
        private readonly TFirst first; 
        private readonly TSecond second;
 
        #endregion 

        #region Constructor 
        internal Pair(TFirst first, TSecond second)
        {
            this.first = first;
            this.second = second; 
        }
        #endregion 
 
        #region Properties
        internal TFirst First 
        {
            get
            {
                return first; 
            }
        } 
 
        internal TSecond Second
        { 
            get
            {
                return second;
            } 
        }
        #endregion 
 
        #region Methods
        public override int GetHashCode() 
        {
            return (first.GetHashCode()<<5) ^ second.GetHashCode();
        }
 
        public bool Equals(Pair other)
        { 
            return first.Equals(other.first) && second.Equals(other.second); 
        }
 
        public override bool Equals(object other)
        {
            Pair otherPair = other as Pair;
 
            return (otherPair != null && Equals(otherPair));
        } 
        #endregion 

        #region InternalBase 
        internal override void ToCompactString(StringBuilder builder)
        {
            builder.Append("<");
            builder.Append(first.ToString()); 
            builder.Append(", "+second.ToString());
            builder.Append(">"); 
        } 
        #endregion
 

        internal class PairComparer : IEqualityComparer>
        {
            private PairComparer() { } 

            internal static readonly PairComparer Instance = new PairComparer(); 
            private static readonly EqualityComparer firstComparer = EqualityComparer.Default; 
            private static readonly EqualityComparer secondComparer = EqualityComparer.Default;
 
            public bool Equals(Pair x, Pair y)
            {
                return firstComparer.Equals(x.First, y.First) && secondComparer.Equals(x.Second, y.Second);
            } 

            public int GetHashCode(Pair source) 
            { 
                return source.GetHashCode();
            } 
        }
    }

 

} 

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