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//------------------------------------------------------------------------------
// <copyright file="OdbcReferenceCollection.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------
using System;
using System.Data;
using System.Data.Common;
using System.Data.ProviderBase;
using System.Diagnostics;
namespace System.Data.Odbc {
sealed internal class OdbcReferenceCollection : DbReferenceCollection {
internal const int Closing = 0;
internal const int Recover = 1;
internal const int CommandTag = 1;
override public void Add(object value, int tag) {
base.AddItem(value, tag);
}
override protected void NotifyItem(int message, int tag, object value) {
switch (message) {
case Recover:
if (CommandTag == tag) {
((OdbcCommand) value).RecoverFromConnection();
}
else {
Debug.Assert(false, "shouldn't be here");
}
break;
case Closing:
if (CommandTag == tag) {
((OdbcCommand) value).CloseFromConnection();
}
else {
Debug.Assert(false, "shouldn't be here");
}
break;
default:
Debug.Assert(false, "shouldn't be here");
break;
}
}
override public void Remove(object value) {
base.RemoveItem(value);
}
}
}
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