IInstanceTable.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 / RunTime / DebugEngine / IInstanceTable.cs / 1305376 / IInstanceTable.cs
                        

                        
                            // Copyright (c) Microsoft Corp., 2004. All rights reserved. 
#region Using directives

using System;
using System.Workflow.Runtime; 
using System.Collections.Generic;
using System.Workflow.ComponentModel; 
using System.Workflow.ComponentModel.Design; 

#endregion 

namespace System.Workflow.Runtime.DebugEngine
{
 	// 
	// IMPORTANT: Do not edit this file without consulting Break Safe Synchronization.doc!
	// 
 
	#region interface IInstanceTable
 
 	public interface IInstanceTable
	{
 		Activity GetActivity(string instanceId, string activityName);
 	} 

	#endregion 
 
 	#region Class InstanceData
 
    internal sealed class InstanceData: ICloneable
    {
        Activity rootActivity;
 
        public Activity RootActivity
        { 
            get 
            {
                return this.rootActivity; 
            }
			set
			{
				this.rootActivity = value; 
 			}
        } 
 
        public InstanceData(Activity rootActivity)
        { 
            this.rootActivity = rootActivity;
        }

        object ICloneable.Clone() 
        {
            InstanceData instanceData = new InstanceData(this.rootActivity); 
            return instanceData; 
        }
    } 

    internal sealed class InstanceMap : Dictionary, ICloneable
	{
 		object ICloneable.Clone() 
 		{
			InstanceMap data = new InstanceMap(); 
 			foreach (Guid instsanceId in Keys) 
                data.Add(instsanceId, (InstanceData) (((ICloneable)(this[instsanceId])).Clone()));
 
			return data;
		}
	}
 
 	#endregion
 
	#region Class InstanceTable 

 	internal sealed class InstanceTable : BreakSafeBase, IInstanceTable 
 	{
		public InstanceTable(int controllerManagedThreadId): base(controllerManagedThreadId)
 		{ }
 
		// Controller invoked.
        public void AddInstance(Guid instanceId, Activity rootActivity) 
        { 
			try
			{ 
 				Lock();

				InstanceMap instanceMap = GetWriterData();
                instanceMap[instanceId] = new InstanceData(rootActivity); 
                SaveData(instanceMap);
 			} 
 			finally 
			{
 				Unlock(); 
			}
		}

		// Controller invoked. 
 		public void RemoveInstance(Guid instanceId)
		{ 
 			try 
 			{
				Lock(); 

 				InstanceMap instanceMap = GetWriterData();
                instanceMap.Remove(instanceId);
                SaveData(instanceMap); 
			}
			finally 
			{ 
 				Unlock();
			} 
 		}

 		// Controller invoked during Dynamic Update notification subscription changes.
        public Activity GetRootActivity(Guid instanceId) 
		{
 			try 
			{ 
				Lock();
 
				return GetReaderData()[instanceId].RootActivity;
 			}
			finally
 			{ 
 				Unlock();
			} 
 		} 

		// Controller invoked during Dynamic Update notification subscription changes. 
        public void UpdateRootActivity(Guid instanceId, Activity rootActivity)
		{
			try
 			{ 
				Lock();
 
 				InstanceMap instanceMap = GetWriterData(); 
                instanceMap[instanceId].RootActivity = rootActivity;
                SaveData(instanceMap); 
 			}
			finally
 			{
				Unlock(); 
			}
		} 
 
        // DE invoked for watches through expression evaluation.
 		Activity IInstanceTable.GetActivity(string instanceId, string activityQualifiedName) 
		{
 			try
 			{
				Lock(); 

 
                Activity rootActivity = GetReaderData()[new Guid(instanceId)].RootActivity; 
                return DebuggerHelpers.ParseActivity(rootActivity, activityQualifiedName);
            } 
            finally
 			{
				Unlock();
			} 
		}
    } 
 
 	#endregion
} 

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

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