SerializationObjectManager.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Runtime / Serialization / SerializationObjectManager.cs / 1 / SerializationObjectManager.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class: SerializationObjectManager 
**
** 
** Purpose: Encapsulates serialization time management, mainly invoking serialization events
**
**
============================================================*/ 
namespace System.Runtime.Serialization {
using System; 
using System.Collections; 
using System.Runtime.Serialization;
using System.Security.Permissions; 

    public sealed class SerializationObjectManager{
        private Hashtable m_objectSeenTable = new Hashtable(); // Table to keep track of objects [OnSerializing] has been called on
        private SerializationEventHandler m_onSerializedHandler; 
        private StreamingContext m_context;
 
 
        public SerializationObjectManager(StreamingContext context)
        { 
            m_context = context;
            m_objectSeenTable = new Hashtable();
        }
 
   	   [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.SerializationFormatter)]	
        public void RegisterObject(Object obj) 
        { 
            // Invoke OnSerializing for this object
            SerializationEvents cache = SerializationEventsCache.GetSerializationEventsForType(obj.GetType()); 
            // Check to make sure type has serializing events
            if (cache.HasOnSerializingEvents)
            {
                // Check to see if we have invoked the events on the object 
                if (m_objectSeenTable[obj] == null)
                { 
                        m_objectSeenTable[obj] = true; 
                        // Invoke the events
                        cache.InvokeOnSerializing(obj, m_context); 
                        // Register for OnSerialized event
                        AddOnSerialized(obj);
                }
            } 
        }
 
        public void RaiseOnSerializedEvent() 
        {
            if (m_onSerializedHandler != null) { 
                m_onSerializedHandler(m_context);
            }
        }
 
        private void AddOnSerialized(Object obj)
        { 
            SerializationEvents cache = SerializationEventsCache.GetSerializationEventsForType(obj.GetType()); 
            m_onSerializedHandler = cache.AddOnSerialized(obj, m_onSerializedHandler);
        } 


    }
 
}

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