Collections/DictionaryMultiValue.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.Generic;
using System.Collections.Specialized;
using System.Collections.ObjectModel;
using System.Collections;
using System.Text;


namespace ComLib.Collections
{

    /// <summary>
    /// Dictionary based class to allow multiple values for a specific key.
    /// e.g. "searchsettings" = list{ setting1, setting2, setting3, .. settingN }
    /// where setting1 and setting2 both are associated with keys.
    /// </summary>
    /// <typeparam name="TKey"></typeparam>
    /// <typeparam name="TValue"></typeparam>
    public class DictionaryMultiValue<TKey, TValue>
    {
        private IDictionary<TKey, IList<TValue>> _dict;


        /// <summary>
        /// Constructor requiring the generic dictionary being wrapped.
        /// </summary>
        public DictionaryMultiValue()
        {
            _dict = new Dictionary<TKey, IList<TValue>>();
        }


        /// <summary>
        /// Constructor requiring the generic dictionary being wrapped.
        /// </summary>
        /// <param name="dict"></param>
        public DictionaryMultiValue(IDictionary<TKey, IList<TValue>> dict)
        {
            _dict = dict;
        }


        #region IDictionary<TKey,TValue> Members
        /// <summary>
        /// Determine if the underlying collection contains the key.
        /// </summary>