ContractMethodInfo.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx35 / System.WorkflowServices / System / Workflow / Activities / ContractMethodInfo.cs / 1305376 / ContractMethodInfo.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

#pragma warning disable 1634, 1691 
namespace System.Workflow.Activities
{ 
    using System; 
    using System.Collections;
    using System.Collections.Generic; 
    using System.Globalization;
    using System.Net.Security;
    using System.ServiceModel;
    using System.Reflection; 

    internal sealed class ContractMethodInfo : MethodInfo 
    { 
        private Attribute[] attributes = null;
        private ContractType declaringType; 
        private MethodAttributes methodAttributes;
        private string name;
        private ParameterInfo[] parameters;
        private ParameterInfo returnParam = null; 

        internal ContractMethodInfo(ContractType declaringType, OperationInfo operationInfo) 
        { 
            if (declaringType == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("declaringType");
            }
            if (operationInfo == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("operationInfo");
            } 
            if (string.IsNullOrEmpty(operationInfo.Name)) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("operationInfo", 
                    SR2.GetString(SR2.Error_OperationNameNotSpecified));
            }

            this.declaringType = declaringType; 
            this.name = operationInfo.Name;
            this.methodAttributes = MethodAttributes.Public | 
                MethodAttributes.Abstract | 
                MethodAttributes.Virtual;
 
            SortedList localParameters =
                new SortedList();

            foreach (OperationParameterInfo operationParameterInfo in operationInfo.Parameters) 
            {
                ContractMethodParameterInfo parameterInfo = 
                    new ContractMethodParameterInfo(this, operationParameterInfo); 
                if (parameterInfo.Position == -1)
                { 
                    this.returnParam = parameterInfo;
                }
                else
                { 
                    localParameters.Add(parameterInfo.Position, parameterInfo);
                } 
            } 

            this.parameters = new ParameterInfo[localParameters.Count]; 
            foreach (ContractMethodParameterInfo paramInfo in localParameters.Values)
            {
                this.parameters[paramInfo.Position] = paramInfo;
            } 

            if (this.returnParam == null) 
            { 
                OperationParameterInfo returnParameterInfo = new OperationParameterInfo();
                returnParameterInfo.Position = -1; 
                returnParameterInfo.ParameterType = typeof(void);

                this.returnParam = new ContractMethodParameterInfo(this, returnParameterInfo);
            } 

            OperationContractAttribute operationContract = new OperationContractAttribute(); 
            if (operationInfo.HasProtectionLevel && operationInfo.ProtectionLevel != null) 
            {
                operationContract.ProtectionLevel = (ProtectionLevel) operationInfo.ProtectionLevel; 
            }
            operationContract.IsOneWay = operationInfo.IsOneWay;

            this.attributes = new Attribute[] { operationContract }; 

            declaringType.AddMethod(this); 
        } 

        public override MethodAttributes Attributes 
        {
            get
            {
                return this.methodAttributes; 
            }
        } 
 
        public override Type DeclaringType
        { 
            get
            {
                return this.declaringType;
            } 
        }
        public override RuntimeMethodHandle MethodHandle 
        { 
            get
            { 
#pragma warning suppress 56503
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
                    new NotImplementedException(SR2.GetString(SR2.Error_RuntimeNotSupported)));
            } 
        }
 
        public override string Name 
        {
            get 
            {
                return this.name;
            }
        } 

        public override Type ReflectedType 
        { 
            get
            { 
                return this.declaringType;
            }
        }
 
        public override ParameterInfo ReturnParameter
        { 
            get 
            {
                return this.returnParam; 
            }
        }

        public override Type ReturnType 
        {
            get 
            { 
                if (this.returnParam == null)
                { 
                    return null;
                }
                return this.returnParam.ParameterType;
            } 
        }
 
        public override ICustomAttributeProvider ReturnTypeCustomAttributes 
        {
            get 
            {
                return this.ReturnType;
            }
        } 

        public override MethodInfo GetBaseDefinition() 
        { 
            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
                new NotImplementedException()); 
        }

        public override object[] GetCustomAttributes(bool inherit)
        { 
            return GetCustomAttributes(typeof(object), inherit);
        } 
 
        public override object[] GetCustomAttributes(Type attributeType, bool inherit)
        { 
            if (attributeType == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("attributeType");
            } 
            return ServiceOperationHelpers.GetCustomAttributes(attributeType, this.attributes);
        } 
 
        public override MethodImplAttributes GetMethodImplementationFlags()
        { 
            return MethodImplAttributes.IL;
        }

        public override ParameterInfo[] GetParameters() 
        {
            return this.parameters; 
        } 

        public override object Invoke(object obj, 
            BindingFlags invokeAttr,
            Binder binder,
            object[] parameters,
            CultureInfo culture) 
        {
            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( 
                new NotImplementedException(SR2.GetString(SR2.Error_RuntimeNotSupported))); 
        }
 
        public override bool IsDefined(Type attributeType, bool inherit)
        {
            if (attributeType == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("attributeType");
            } 
 
            return ServiceOperationHelpers.IsDefined(attributeType, attributes);
        } 

        public override string ToString()
        {
            System.Workflow.Activities.ContractType.MemberSignature signature = 
                new ContractType.MemberSignature(this);
            return signature.ToString(); 
        } 
    }
} 

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

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