Collections/DictionarySet.cs

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/*
 * Author: Kishore Reddy
 * Url: http://commonlibrarynet.codeplex.com/
 * Title: CommonLibrary.NET
 * Copyright: � 2009 Kishore Reddy
 * License: LGPL License
 * LicenseUrl: http://commonlibrarynet.codeplex.com/license
 * Description: A C# based .NET 3.5 Open-Source collection of reusable components.
 * Usage: Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;

using ComLib;


namespace ComLib.Collections
{

    /// <summary>
    /// 2 Level Tree like dictionary.
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public class DictionarySet<T> : IDictionary<T, T>, ISet<T>
    {
        private IDictionary<T, T> _map;


        /// <summary>
        /// Constructor requiring the generic dictionary being wrapped.
        /// </summary>
        public DictionarySet()
        {
            _map = new Dictionary<T, T>();
        }


        #region IDictionary<T,T> Members
        /// <summary>
        /// Determine if the underlying collection contains the key.
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public bool ContainsKey(T key)
        {
           return _map.ContainsKey(key);
        }


        /// <summary>
        /// Number of items in the dictionary.
        /// </summary>
        public int Count
        {