/**
* Copyright (c) 2010 Yahoo! Inc. All rights reserved.
*
* 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. See accompanying
* LICENSE file.
*/
package com.yahoo.ycsb;
import java.util.Properties;
/**
* Creates a DB layer by dynamically classloading the specified DB class.
*/
public class DBFactory
{
@SuppressWarnings("unchecked")
public static DB newDB(String dbname, Properties properties) throws UnknownDBException
{
ClassLoader classLoader = DBFactory.class.getClassLoader();
DB ret=null;
try
{
Class dbclass = classLoader.loadClass(dbname);
//System.out.println("dbclass.getName() = " + dbclass.getName());
ret=(DB)dbclass.newInstance();
}
catch (Exception e)
{
e.printStackTrace();
return null;
}
ret.setProperties(properties);
return new DBWrapper(ret);
}
}