GenericParameterDataContract.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / GenericParameterDataContract.cs / 1 / GenericParameterDataContract.cs
                        

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

    internal sealed class GenericParameterDataContract : DataContract 
    {
        /// 
        /// 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;
 
        /// 
        /// Critical - initializes SecurityCritical field 'helper'
        /// Safe - doesn't leak anything
        ///  
        [SecurityCritical, SecurityTreatAsSafe]
        internal GenericParameterDataContract(Type type) : base(new GenericParameterDataContractCriticalHelper(type)) 
        { 
            helper = base.Helper as GenericParameterDataContractCriticalHelper;
        } 

        internal int ParameterPosition
        {
            ///  
            /// Critical - fetches the critical ParameterPosition property
            /// Safe - ParameterPosition only needs to be protected for write 
            ///  
            [SecurityCritical, SecurityTreatAsSafe]
            get { return helper.ParameterPosition; } 
        }

        internal override bool IsBuiltInDataContract
        { 
            get
            { 
                return true; 
            }
        } 

        /// 
        /// 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.
// Copyright (c) Microsoft Corporation. All rights reserved.

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