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/*
* Copyright (c) Tribal Media AB, http://tribalmedia.se/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The name of Tribal Media AB may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using System;
using System.Data;
using System.Data.Common;
using TribalMedia.Framework.Data;
namespace TribalMedia.Framework.Data
{
public abstract class TableMapper
{
private readonly DatabaseMapper m_database;
private readonly object m_syncRoot = new object();
protected void WithConnection(Action<DbConnection> action)
{
lock (m_syncRoot)
{
DbConnection m_connection = m_database.GetNewConnection();
if (m_connection.State != ConnectionState.Open)
{
m_connection.Open();
}
action(m_connection);
if (m_connection.State == ConnectionState.Open)
{
m_connection.Close();
}
}
}
private readonly string m_tableName;
public string TableName
{
get { return m_tableName; }
}
protected Schema m_schema;
public Schema Schema
{
get { return m_schema; }
}
protected FieldMapper m_keyFieldMapper;
public FieldMapper KeyFieldMapper
{
get { return m_keyFieldMapper; }
}
public TableMapper(DatabaseMapper database, string tableName)
{
m_database = database;
m_tableName = tableName.ToLower(); // Stupid MySQL hack.
}
public string CreateParamName(string fieldName)
{
return m_database.CreateParamName(fieldName);
}
protected DbCommand CreateSelectCommand(DbConnection connection, string fieldName, object primaryKey)
{
return m_database.CreateSelectCommand(this, connection, fieldName, primaryKey);
}
public string CreateCondition(DbCommand command, string fieldName, object key)
{
return m_database.CreateCondition(this, command, fieldName, key);
}
public DbCommand CreateInsertCommand(DbConnection connection, object obj)
{
return m_database.CreateInsertCommand(this, connection, obj);
}
public DbCommand CreateUpdateCommand(DbConnection connection, object rowMapper, object primaryKey)
{
return m_database.CreateUpdateCommand(this, connection, rowMapper, primaryKey);
}
public object ConvertToDbType(object value)
{
return m_database.ConvertToDbType(value);
}
protected virtual DataReader CreateReader(IDataReader reader)
{
return new DataReader(reader);
}
}
}
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