#region Apache Notice
/*****************************************************************************
 * $Revision: 374175 $
 * $LastChangedDate$
 * $LastChangedBy$
 * 
 * iBATIS.NET Data Mapper
 * Copyright (C) 2006/2005 - The Apache Software Foundation
 *  
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * 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.
 * 
 ********************************************************************************/
#endregion

using System;

using IBatisNet.DataMapper.MappedStatements;
using IBatisNet.Common.Utilities.Objects.Members;
using System.Collections.Generic;
using IBatisNet.Common.Utilities.Objects;

namespace IBatisNet.DataMapper.Proxy
{
    /// <summary>
    ///    /// Implementation of <see cref="ILazyFactory"/> to create proxy for an generic IList element.
    /// </summary>
    public class LazyListGenericFactory : ILazyFactory
    {
        #region ILazyFactory Members

        /// <summary>
        /// Create a new proxy instance.
        /// </summary>
        /// <param name="mappedStatement">The mapped statement.</param>
        /// <param name="param">The param.</param>
        /// <param name="target">The target.</param>
        /// <param name="setAccessor">The set accessor.</param>
        /// <returns>Returns a new proxy.</returns>
        public object CreateProxy(IMappedStatement mappedStatement, object param,
            object target, ISetAccessor setAccessor)
        {
            Type elementType = setAccessor.MemberType.GetGenericArguments()[0];
            Type lazyType = typeof(LazyListGeneric<>);
            Type lazyGenericType = lazyType.MakeGenericType(elementType);

             Type[] parametersType = { typeof(IMappedStatement), typeof(object), typeof(object), typeof(ISetAccessor) };

             IFactory factory = mappedStatement.SqlMap.DataExchangeFactory.ObjectFactory.CreateFactory(lazyGenericType, parametersType);

             object[] parameters = { mappedStatement, param, target, setAccessor };
             return factory.CreateInstance(parameters);
        }

        #endregion
    }
}