ReceiveActivityValidator.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 / NetFx35 / System.WorkflowServices / System / Workflow / Activities / ReceiveActivityValidator.cs / 1305376 / ReceiveActivityValidator.cs
                        

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

namespace System.Workflow.Activities 
{
    using System.ServiceModel; 
    using System.Reflection; 
    using System.Collections.Generic;
    using System.Workflow.ComponentModel; 
    using System.Workflow.ComponentModel.Compiler;

    class ReceiveActivityValidator : CompositeActivityValidator
    { 
        public override ValidationErrorCollection Validate(
            ValidationManager manager, 
            object obj) 
        {
            ValidationErrorCollection validationErrors = base.Validate(manager, obj); 

            ReceiveActivity receiveActivity = obj as ReceiveActivity;
            if (receiveActivity == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("obj",
                    SR2.GetString(SR2.Error_ArgumentTypeInvalid, "obj", typeof(ReceiveActivity))); 
            } 

            ITypeProvider typeProvider = manager.GetService(typeof(ITypeProvider)) as ITypeProvider; 
            if (typeProvider == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
                    SR2.GetString(SR2.General_MissingService, typeof(ITypeProvider).Name))); 
            }
 
            if (receiveActivity.ServiceOperationInfo == null) 
            {
                validationErrors.Add( 
                    new ValidationError(
                    SR2.GetString(SR2.Error_Validation_OperationInfoNotSpecified, receiveActivity.Name),
                    WorkflowServicesErrorNumbers.Error_OperationInfoNotSpecified,
                    false, 
                    "ServiceOperationInfo"));
            } 
            else 
            {
                // validate operation info 
                //
                ValidationErrorCollection operationInfoValidationErrors =
                    ValidationHelper.ValidateOperationInfo(
                    receiveActivity, 
                    receiveActivity.ServiceOperationInfo,
                    manager); 
 
                validationErrors.AddRange(operationInfoValidationErrors);
 
                // do not validate parameter binding if the operation info is not valid
                // we might generate noise and false positives.
                //
                if (operationInfoValidationErrors.Count == 0) 
                {
                    validationErrors.AddRange( 
                        ValidationHelper.ValidateParameterBindings(receiveActivity, receiveActivity.ServiceOperationInfo, 
                        receiveActivity.ParameterBindings, manager));
                } 

                // validate the context token
                //
                validationErrors.AddRange( 
                    ValidationHelper.ValidateContextToken(receiveActivity, receiveActivity.ContextToken, manager));
            } 
 
            // Check if the validation for all service operations being implemented
            // has been done previously. 
            // If it has been done once then ServiceOperationsImplementedValidationMarker
            // will be on the context stack.
            //
            if (validationErrors.Count == 0 && 
                manager.Context[typeof(ServiceOperationsImplementedValidationMarker)] == null)
            { 
                Activity rootActivity = receiveActivity; 
                while (rootActivity.Parent != null)
                { 
                    rootActivity = rootActivity.Parent;
                }

                validationErrors.AddRange( 
                    ValidationHelper.ValidateAllServiceOperationsImplemented(
                    manager, 
                    rootActivity)); 
            }
 
            return validationErrors;
        }
    }
} 

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

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