//
// System.Diagnostics.InstanceDataCollection.cs
//
// Authors:
//   Jonathan Pryor (jonpryor@vt.edu)
//
// (C) 2002
//

//
// 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;
using System.Collections;
using System.Diagnostics;

namespace System.Diagnostics {

	public class InstanceDataCollection : DictionaryBase {

		private string counterName;

		private static void CheckNull (object value, string name)
		{
			if (value == null)
				throw new ArgumentNullException (name);
		}

		// may throw ArgumentNullException
		[Obsolete ("Use InstanceDataCollectionCollection indexer instead.")]
		public InstanceDataCollection (string counterName)
		{
			CheckNull (counterName, "counterName");
			this.counterName = counterName;
		}

		public string CounterName {
			get {return counterName;}
		}

		// may throw ArgumentNullException
		public InstanceData this [string instanceName] {
			get {
				CheckNull (instanceName, "instanceName");
				return (InstanceData) Dictionary [instanceName];
			}
		}

		public ICollection Keys {
			get {return Dictionary.Keys;}
		}

		public ICollection Values {
			get {return Dictionary.Values;}
		}

		// may throw ArgumentNullException
		public bool Contains (string instanceName)
		{
			CheckNull (instanceName, "instanceName");
			return Dictionary.Contains (instanceName);
		}

		public void CopyTo (InstanceData[] instances, int index)
		{
			Dictionary.CopyTo (instances, index);
		}
	}
}