/*
 * 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.backends.jpa;

import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;

import com.idcanet.serv5.services.hibernate3.Hibernate3Factory;
import com.idcanet.vasc.core.VascEntry;
import com.idcanet.vasc.core.VascEntryField;
import com.idcanet.vasc.core.entry.VascEntryFieldValue;
import com.idcanet.vasc.core.entry.VascEntryRecordCreator;
import com.idcanet.xtes.xpql.query.QueryParameterValue;

/**
 * 
 * @author Willem Cazander
 * @version 1.0 Mar 21, 2007
 */
public class Serv5XpqlHibernateVascBackend extends AbstractHibernateVascBackend  {

	private String session = null;
	
	private com.idcanet.xtes.xpql.query.Query query = null;
	
	public Serv5XpqlHibernateVascBackend() {
		
	}
	public Serv5XpqlHibernateVascBackend(String session,com.idcanet.xtes.xpql.query.Query query) {
		setSession(session);
		setQuery(query);
	}
	
	Session getHibernateSession() {
		return Hibernate3Factory.getSession(getSession());
	}
	
	
	@SuppressWarnings("unchecked")
	public List<Object> execute() throws Exception {
		Session s = getHibernateSession();
		try {
            Query q = s.createQuery(query.toPreparedSQL(query));
            List<QueryParameterValue> values = query.getOrderQueryParameterValues();
            int i = 0;
            for (QueryParameterValue value:values) {
            	q.setParameter(i,value.getValue());          	
            	i++;
            }
            List<Object> data = q.list();
			return data;
        } finally {
            if (s!=null) {
            	s.close();
            }
        }
	}
	
	/**
	 * @return the session
	 */
	public String getSession() {
		return session;
	}
	
	/**
	 * @param session the session to set
	 */
	public void setSession(String session) {
		this.session = session;
	}
	
	/**
	 * @return the query
	 */
	public com.idcanet.xtes.xpql.query.Query getQuery() {
		return query;
	}
	
	/**
	 * @param query the query to set
	 */
	public void setQuery(com.idcanet.xtes.xpql.query.Query query) {
		this.query = query;
	}
	
	public VascEntryFieldValue provideVascEntryFieldValue(VascEntryField field) {
		return null;
	}
	public VascEntryRecordCreator provideVascEntryRecordCreator(VascEntry vascEntry) {
		return null;
	}
}