GenericParameterDataContract.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / GenericParameterDataContract.cs / 1305376 / GenericParameterDataContract.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Runtime.Serialization
{ 
    using System;
    using System.Collections.Generic; 
    using System.Security; 

    sealed class GenericParameterDataContract : DataContract 
    {
        [Fx.Tag.SecurityNote(Critical = "Holds instance of CriticalHelper which keeps state that is cached statically for serialization."
            + " Static fields are marked SecurityCritical or readonly to prevent data from being modified or leaked to other components in appdomain.")]
        [SecurityCritical] 
        GenericParameterDataContractCriticalHelper helper;
 
        [Fx.Tag.SecurityNote(Critical = "Initializes SecurityCritical field 'helper'.", 
            Safe = "Doesn't leak anything.")]
        [SecuritySafeCritical] 
        internal GenericParameterDataContract(Type type) : base(new GenericParameterDataContractCriticalHelper(type))
        {
            helper = base.Helper as GenericParameterDataContractCriticalHelper;
        } 

        internal int ParameterPosition 
        { 
            [Fx.Tag.SecurityNote(Critical = "Fetches the critical ParameterPosition property.",
                Safe = "ParameterPosition only needs to be protected for write.")] 
            [SecuritySafeCritical]
            get { return helper.ParameterPosition; }
        }
 
        internal override bool IsBuiltInDataContract
        { 
            get 
            {
                return true; 
            }
        }

        [Fx.Tag.SecurityNote(Critical = "Holds state used for deaing with generic parameters." 
            + " Since the data is cached statically, we lock down access to it.")]
        [SecurityCritical(SecurityCriticalScope.Everything)] 
        class GenericParameterDataContractCriticalHelper : DataContract.DataContractCriticalHelper 
        {
            int parameterPosition; 

            internal GenericParameterDataContractCriticalHelper(Type type) : base(type)
            {
                SetDataContractName(DataContract.GetStableName(type)); 
                this.parameterPosition = type.GenericParameterPosition;
            } 
 
            internal int ParameterPosition
            { 
                get { return parameterPosition; }
            }
        }
 
        internal override DataContract BindGenericParameters(DataContract[] paramContracts, Dictionary boundContracts)
        { 
            return paramContracts[ParameterPosition]; 
        }
    } 
}


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

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