/**
* JADE - Java Agent DEvelopment Framework is a framework to develop
* multi-agent systems in compliance with the FIPA specifications.
* Copyright (C) 2004 CSELT S.p.A.
*
* GNU Lesser General Public License
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation,
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
package jade.domain;
//#J2ME_EXCLUDE_FILE
//#APIDOC_EXCLUDE_FILE
import java.sql.SQLException;
import jade.domain.KBManagement.DBKB;
import jade.domain.KBManagement.MemKB;
/**
* The <code>DFKBFactory</code> class creates
* knowledge base objects used by the DF.
*
* <p>
* To run JADE with your own knowledge base implementation a new
* sub class of <code>DFKBFactory</code>, overriding the appropriate method(s),
* has to be implemented and specified by the command line parameter
* <code>-jade_domain_df_kb-factory</code>.
* </p>
* @author Roland Mungenast - Profactor
* @since JADE 3.3
*/
public class DFKBFactory {
/**
* Returns the memory based knowledge base which will be used by the DF
* @param maxResultLimit internal limit for the maximum number of search results
*/
protected MemKB getDFMemKB(int maxResultLimit) {
return new DFMemKB(maxResultLimit);
}
/**
* Returns the database based knowledge base which will be used by the DF
* @param maxResultLimit JADE internal limit for the maximum number of search results
* @param driver database driver
* @param url database url
* @param user user for the database access
* @param passwd password for the database access
* @param cleanTables specifies whether the KB should delete all existing tables for the DF at startup
* @throws SQLException if the database cannot be initialized
*/
protected DBKB getDFDBKB(int maxResultLimit, String driver, String url, String user, String passwd, boolean cleanTables) throws SQLException {
//#ANDROID_EXCLUDE_BEGIN
DBKB kb = null;
if (url == null)
kb = new DFHSQLKB(maxResultLimit, cleanTables);
else
kb = new DFDBKB(maxResultLimit, driver, url, user, passwd, cleanTables);
kb.setup();
return kb;
//#ANDROID_EXCLUDE_END
/*#ANDROID_INCLUDE_BEGIN
throw new SQLException("Unsupported SQL KB");
#ANDROID_INCLUDE_END*/
}
}