#region Apache Notice
/*****************************************************************************
* $Revision: 374175 $
* $LastChangedDate: 2007-02-21 21:23:49 +0100 (mer., 21 fvr. 2007) $
* $LastChangedBy: gbayon $
*
* 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.Data;
using IBatisNet.DataMapper.Configuration.ResultMapping;
using IBatisNet.DataMapper.Scope;
namespace IBatisNet.DataMapper.MappedStatements.ResultStrategy{
/// <summary>
/// Delegates on the <see cref="ResultMapStrategy"/> or on the
/// <see cref="GroupByStrategy"/> implementation if a grouBy attribute is specify on the resultMap tag.
/// </summary>
public sealed class MapStrategy : IResultStrategy
{
private static IResultStrategy _resultMapStrategy = null;
private static IResultStrategy _groupByStrategy = null;
/// <summary>
/// Initializes the <see cref="MapStrategy"/> class.
/// </summary>
static MapStrategy()
{
_resultMapStrategy = new ResultMapStrategy();
_groupByStrategy = new GroupByStrategy();
}
#region IResultStrategy Members
/// <summary>
/// Processes the specified <see cref="IDataReader"/>.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="reader">The reader.</param>
/// <param name="resultObject">The result object.</param>
public object Process(RequestScope request, ref IDataReader reader, object resultObject)
{
IResultMap resultMap = request.CurrentResultMap.ResolveSubMap(reader);
if (resultMap.GroupByPropertyNames.Count>0)
{
return _groupByStrategy.Process(request, ref reader, resultObject);
}
else
{
return _resultMapStrategy.Process(request, ref reader, resultObject);
}
}
#endregion
}
}
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