#region License
/*
* Copyright 2002-2005 the original author or authors.
*
* 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
#region Imports
using System;
using System.Collections;
using System.Data;
using Spring.Data.Common;
#endregion
namespace Spring.Data.Objects{
/// <summary>
/// Reusable query in which concrete subclasses must implement the
/// MapRow method to map each row of a single result set into an
/// object.
/// </summary>
/// <remarks>The MapRow method is also passed the input parameters and
/// a dictionary to provide the method with calling context information
/// (if necessary). If you do not need these additional parameters, use
/// the subclass MappingAdoQuery.
/// </remarks>
/// <author>Mark Pollack (.NET)</author>
public abstract class MappingAdoQueryWithContext : AdoQuery
{
#region Constructor (s)
/// <summary>
/// Initializes a new instance of the <see cref="MappingAdoQueryWithContext"/> class.
/// </summary>
public MappingAdoQueryWithContext()
{
}
public MappingAdoQueryWithContext(IDbProvider dbProvider, string sql) : base(dbProvider, sql)
{
}
#endregion
#region Properties
#endregion
#region Methods
protected override IRowMapper NewRowMapper(IDictionary inParams, IDictionary callingContext)
{
return new RowMapperImpl(this, inParams, callingContext);
}
protected abstract Object MapRow(IDataReader reader, int rowNum, IDictionary inParams, IDictionary callingContext);
#endregion
private class RowMapperImpl : IRowMapper
{
private MappingAdoQueryWithContext outer;
private IDictionary inParams;
private IDictionary callingContext;
public RowMapperImpl(MappingAdoQueryWithContext mappingAdoQueryWithContext, IDictionary inParams, IDictionary callingContext)
{
outer = mappingAdoQueryWithContext;
this.inParams = inParams;
this.callingContext = callingContext;
}
public object MapRow(IDataReader dataReader, int rowNum)
{
return outer.MapRow(dataReader, rowNum, inParams, callingContext);
}
}
}
}
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