Package it.eng.qbe.statement

Source Code of it.eng.qbe.statement.StatementFactory

/**

SpagoBI - The Business Intelligence Free Platform

Copyright (C) 2005-2009 Engineering Ingegneria Informatica S.p.A.

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; either
version 2.1 of the License, or (at your option) any later version.

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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

**/
package it.eng.qbe.statement;

import it.eng.qbe.datasource.IDataSource;
import it.eng.qbe.datasource.hibernate.IHibernateDataSource;
import it.eng.qbe.datasource.jpa.JPADataSource;
import it.eng.qbe.query.Query;
import it.eng.qbe.statement.hibernate.HQLStatement;
import it.eng.qbe.statement.jpa.JPQLStatement;

/**
* @author Andrea Gioia (andrea.gioia@eng.it)
*/
public class StatementFactory {
  public static IStatement createStatement(IDataSource dataSource, Query query) {
    IStatement statement;
   
    statement = null;
   
    if(dataSource instanceof IHibernateDataSource) {
      statement = new HQLStatement((IHibernateDataSource)dataSource, query);
    } else if (dataSource instanceof JPADataSource) {
      statement = new JPQLStatement((JPADataSource)dataSource, query);
    } else {
      throw new RuntimeException("Impossible to create statement from a datasource of type [" + dataSource.getClass().getName() + "]");
    }
   
    return statement;
  }
}
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