Collections/DictionaryReadOnly.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;

using ComLib;

namespace ComLib.Collections
{

    /// <summary>
    /// Read only wrapper for generics based dictionary.
    /// Only provides lookup retrieval abilities.
    /// </summary>
    /// <typeparam name="TKey"></typeparam>
    /// <typeparam name="TValue"></typeparam>
    public class DictionaryReadOnly<TKey, TValue> : IDictionary<TKey, TValue>
    {
        private IDictionary<TKey, TValue> _item;
        private bool _throwOnWritableAction = false;


        /// <summary>
        /// Constructor requiring the generic dictionary being wrapped.
        /// </summary>
        /// <param name="items"></param>
        public DictionaryReadOnly(IDictionary<TKey, TValue> items)
        {
            _throwOnWritableAction = true;
            _item = items;
        }


        /// <summary>
        /// Constructor requiring the generic dictionary being wrapped.
        /// </summary>
        /// <param name="items"></param>
        /// <param name="throwOnWritableAction"></param>
        public DictionaryReadOnly(IDictionary<TKey, TValue> items, bool throwOnWritableAction)
        {            
            _throwOnWritableAction = throwOnWritableAction;
            _item = items;
        }