Compensation.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 / WF / Common / AuthoringOM / Behaviors / Compensation.cs / 1305376 / Compensation.cs
                        

                        
                            namespace System.Workflow.ComponentModel 
{
    using System;
    using System.Drawing;
    using System.ComponentModel; 
    using System.Collections;
    using System.ComponentModel.Design; 
    using System.Workflow.ComponentModel.Design; 
    using System.Workflow.ComponentModel.Compiler;
 

    [ToolboxItem(false)]
    [Designer(typeof(CompensationHandlerActivityDesigner), typeof(IDesigner))]
    [ToolboxBitmap(typeof(CompensationHandlerActivity), "Resources.Compensation.png")] 
    [ActivityValidator(typeof(CompensationValidator))]
    [AlternateFlowActivityAttribute] 
    [SRCategory(SR.Standard)] 
    public sealed class CompensationHandlerActivity : CompositeActivity, IActivityEventListener
    { 
        public CompensationHandlerActivity()
        {
        }
 
        public CompensationHandlerActivity(string name)
            : base(name) 
        { 
        }
 
        protected internal override void Initialize(IServiceProvider provider)
        {
            if (this.Parent == null)
                throw new InvalidOperationException(SR.GetString(SR.Error_MustHaveParent)); 

            base.Initialize(provider); 
        } 

        protected internal override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext) 
        {
            return SequenceHelper.Execute(this, executionContext);
        }
 
        protected internal override ActivityExecutionStatus Cancel(ActivityExecutionContext executionContext)
        { 
            return SequenceHelper.Cancel(this, executionContext); 
        }
 
        void IActivityEventListener.OnEvent(Object sender, ActivityExecutionStatusChangedEventArgs e)
        {
            SequenceHelper.OnEvent(this, sender, e);
        } 

        protected internal override void OnActivityChangeRemove(ActivityExecutionContext executionContext, Activity removedActivity) 
        { 
            SequenceHelper.OnActivityChangeRemove(this, executionContext, removedActivity);
        } 

        protected internal override void OnWorkflowChangesCompleted(ActivityExecutionContext executionContext)
        {
            SequenceHelper.OnWorkflowChangesCompleted(this, executionContext); 
        }
    } 
 
    internal sealed class CompensationValidator : CompositeActivityValidator
    { 
        public override ValidationErrorCollection Validate(ValidationManager manager, object obj)
        {
            ValidationErrorCollection validationErrors = base.Validate(manager, obj);
 
            CompensationHandlerActivity compensation = obj as CompensationHandlerActivity;
            if (compensation == null) 
                throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(CompensationHandlerActivity).FullName), "obj"); 

            // check parent must be compensatable 
            if (!(compensation.Parent is ICompensatableActivity))
                validationErrors.Add(new ValidationError(SR.GetString(SR.Error_ParentDoesNotSupportCompensation), ErrorNumbers.Error_FaultHandlerActivityParentNotFaultHandlersActivity));

            if (compensation.EnabledActivities.Count == 0) 
                validationErrors.Add(new ValidationError(SR.GetString(SR.Warning_EmptyBehaviourActivity, typeof(CompensationHandlerActivity).FullName, compensation.QualifiedName), ErrorNumbers.Warning_EmptyBehaviourActivity, true));
 
            // compensation handlers can not contain fault handlers, compensation handler and cancellation handler 
            else if (((ISupportAlternateFlow)compensation).AlternateFlowActivities.Count > 0)
                validationErrors.Add(new ValidationError(SR.GetString(SR.Error_ModelingConstructsCanNotContainModelingConstructs), ErrorNumbers.Error_ModelingConstructsCanNotContainModelingConstructs)); 

            return validationErrors;
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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