/*
 * Copyright 2004-2007 IDCA. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice, this list of conditions and
 *        the following disclaimer.
 *    2. 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.
 * 
 * THIS SOFTWARE IS PROVIDED BY IDCA AND CONTRIBUTORS ``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 IDCA OR
 * 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.
 * 
 * The views and conclusions contained in the software and documentation are those of the authors and
 * should not be interpreted as representing official policies, either expressed or implied, of IDCA.
 */

package com.idcanet.vasc.impl.serv5;

import java.util.List;
import java.util.logging.Level;

import org.hibernate.Query;

import com.idcanet.serv5.services.hibernate3.Hibernate3Factory;
import com.idcanet.vasc.core.VascDataSource;
import com.idcanet.xtes.xpql.query.QueryParameterValue;

/**
 * 
 * @author Willem Cazander
 * @version 1.0 Mar 21, 2007
 */
public class Serv5HibernateVascDataSource implements VascDataSource  {

	private String session = null;
	
	public Serv5HibernateVascDataSource() {
		
	}
	public Serv5HibernateVascDataSource(String session) {
		setSession(session);
	}
	
	public List<Object> executeQuery(com.idcanet.xtes.xpql.query.Query query) throws Exception {
		try {
            Query q = Hibernate3Factory.getSession(getSession()).createQuery(query.toPreparedSQL(query));
            
            
            List<QueryParameterValue> values = query.getOrderQueryParameterValues();
            int i = 0;
            for (QueryParameterValue value:values) {
            	q.setParameter(i,value.getValue());          	
            	i++;
            }
            List data = q.list();
            //logger.info("Query returned: "+data.size()+" of: "+crudTable.getQueryName());
			return data;
        } finally {
            Hibernate3Factory.getSession("flowstats").close(); // close session in threads
        }
	}
	
	public void persist(Object object) throws Exception {
		try {
			Hibernate3Factory.getSession(getSession()).persist(object);
		} finally {
			Hibernate3Factory.getSession(getSession()).close();
		}
	}

	public Object merge(Object object) throws Exception {
		try {
			return Hibernate3Factory.getSession(getSession()).merge(object);
		} finally {
			Hibernate3Factory.getSession(getSession()).close();
		}
	}
	
	public void delete(Object object) throws Exception {
		try {
			Object newObject = Hibernate3Factory.getSession(getSession()).merge(object);
			Hibernate3Factory.getSession(getSession()).delete(newObject);
		} finally {
			Hibernate3Factory.getSession(getSession()).close();
		}
	}
	
	/**
	 * @return the session
	 */
	public String getSession() {
		return session;
	}
	/**
	 * @param session the session to set
	 */
	public void setSession(String session) {
		this.session = session;
	}
	
	
	
}