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//
// NamedDataSlot.cs:
//
// Authors:
// Dick Porter (dick@ximian.com)
// Marek Safar (marek.safar@gmail.com)
//
// (C) Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004-2006 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.
//
using System.Collections.Generic;
namespace System.Threading
{
sealed class NamedDataSlot
{
// Stores a hash keyed by strings of LocalDataStoreSlot objects
Dictionary<string, LocalDataStoreSlot> datastorehash;
public LocalDataStoreSlot Allocate (string name)
{
lock (this) {
if (datastorehash == null)
datastorehash = new Dictionary<string, LocalDataStoreSlot> ();
if (datastorehash.ContainsKey (name)) {
// This exception isnt documented (of
// course) but .net throws it
throw new ArgumentException ("Named data slot already added");
}
var slot = new LocalDataStoreSlot (true);
datastorehash.Add (name, slot);
return slot;
}
}
public LocalDataStoreSlot Get (string name)
{
lock (this) {
if (datastorehash == null)
datastorehash = new Dictionary<string, LocalDataStoreSlot> ();
LocalDataStoreSlot slot;
if (!datastorehash.TryGetValue (name, out slot)) {
slot = new LocalDataStoreSlot (true);
}
return slot;
}
}
public void Free (string name)
{
lock (this) {
if (datastorehash == null)
datastorehash = new Dictionary<string, LocalDataStoreSlot> ();
if (datastorehash.ContainsKey (name)) {
datastorehash.Remove (name);
}
}
}
}
}
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