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#pragma warning disable 1634, 1691
using System;
using System.Globalization;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Collections.ObjectModel;
using System.ComponentModel.Design.Serialization;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Xml;
using System.Transactions;
using SES = System.EnterpriseServices;
using System.Workflow.ComponentModel;
using System.Workflow.Runtime.Hosting;
namespace System.Workflow.Runtime
{
#region ContextActivityUtils Class
internal static class ContextActivityUtils
{
internal static int ContextId(Activity activity)
{
return ((ActivityExecutionContextInfo)ContextActivity(activity).GetValue(Activity.ActivityExecutionContextInfoProperty)).ContextId;
}
internal static Activity ContextActivity(Activity activity)
{
Activity contextActivity = activity;
while (contextActivity != null && contextActivity.GetValue(Activity.ActivityExecutionContextInfoProperty) == null)
contextActivity = contextActivity.Parent;
return contextActivity;
}
internal static Activity ParentContextActivity(Activity activity)
{
Activity contextActivity = ContextActivity(activity);
ActivityExecutionContextInfo executionContextInfo = (ActivityExecutionContextInfo)contextActivity.GetValue(Activity.ActivityExecutionContextInfoProperty);
if (executionContextInfo.ParentContextId == -1)
return null;
return RetrieveWorkflowExecutor(activity).GetContextActivityForId(executionContextInfo.ParentContextId);
}
internal static IWorkflowCoreRuntime RetrieveWorkflowExecutor(Activity activity)
{
// fetch workflow executor
IWorkflowCoreRuntime workflowExecutor = null;
Activity rootActivity = activity;
while (rootActivity != null && rootActivity.Parent != null)
rootActivity = rootActivity.Parent;
if (rootActivity != null)
workflowExecutor = (IWorkflowCoreRuntime)rootActivity.GetValue(WorkflowExecutor.WorkflowExecutorProperty);
return workflowExecutor;
}
internal static Activity RootContextActivity(Activity activity)
{
return RetrieveWorkflowExecutor(activity).RootActivity;
}
}
#endregion
}
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