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|
//
// System.Runtime.Serialization.SerializationObjectManager.cs
//
// Author:
// Robert Jordan (robertj@gmx.net)
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using System;
using System.Collections;
namespace System.Runtime.Serialization {
public sealed class SerializationObjectManager
{
readonly StreamingContext context;
readonly Hashtable seen = new Hashtable ();
event SerializationCallbacks.CallbackHandler callbacks;
public SerializationObjectManager (StreamingContext context)
{
this.context = context;
}
public void RegisterObject (object obj)
{
if (seen.Contains (obj))
return;
SerializationCallbacks sc = SerializationCallbacks
.GetSerializationCallbacks (obj.GetType ());
seen [obj] = 1;
sc.RaiseOnSerializing (obj, context);
if (sc.HasSerializedCallbacks) {
// record for later invocation
callbacks += delegate (StreamingContext ctx)
{
sc.RaiseOnSerialized (obj, ctx);
};
}
}
public void RaiseOnSerializedEvent ()
{
if (callbacks != null)
callbacks (context);
}
}
}
#endif
|
