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