#region Apache Notice
/*****************************************************************************
* $Revision: 374175 $
* $LastChangedDate: 2006-04-25 19:40:27 +0200 (mar., 25 avr. 2006) $
* $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.Collections;
using System.Data;
using IBatisNet.DataMapper.Configuration.ResultMapping;
using IBatisNet.DataMapper.Scope;
namespace IBatisNet.DataMapper.MappedStatements.ResultStrategy{
/// <summary>
/// <see cref="IResultStrategy"/> implementation when
/// a 'resultClass' attribute is specified and
/// the type of the result object is <see cref="IDictionary"/>.
/// </summary>
public sealed class DictionaryStrategy : IResultStrategy
{
#region IResultStrategy Members
/// <summary>
/// Processes the specified <see cref="IDataReader"/>
/// when a 'resultClass' attribute is specified on the statement and
/// the 'resultClass' attribute is a <see cref="IDictionary"/>.
/// </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)
{
object outObject = resultObject;
AutoResultMap resultMap = request.CurrentResultMap as AutoResultMap;
if (outObject == null)
{
outObject = resultMap.CreateInstanceOfResultClass();
}
int count = reader.FieldCount;
IDictionary dictionary = (IDictionary) outObject;
for (int i = 0; i < count; i++)
{
ResultProperty property = new ResultProperty();
property.PropertyName = "value";
property.ColumnIndex = i;
property.TypeHandler = request.DataExchangeFactory.TypeHandlerFactory.GetTypeHandler(reader.GetFieldType(i));
dictionary.Add(
reader.GetName(i),
property.GetDataBaseValue(reader));
}
return outObject;
}
#endregion
}
}
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