com.floreantpos.model.dao.ShopFloorDAO.java Source code

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Here is the source code for com.floreantpos.model.dao.ShopFloorDAO.java

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/**
 * ************************************************************************
 * * The contents of this file are subject to the MRPL 1.2
 * * (the  "License"),  being   the  Mozilla   Public  License
 * * Version 1.1  with a permitted attribution clause; you may not  use this
 * * file except in compliance with the License. You  may  obtain  a copy of
 * * the License at http://www.floreantpos.org/license.html
 * * Software distributed under the License  is  distributed  on  an "AS IS"
 * * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * * License for the specific  language  governing  rights  and  limitations
 * * under the License.
 * * The Original Code is FLOREANT POS.
 * * The Initial Developer of the Original Code is OROCUBE LLC
 * * All portions are Copyright (C) 2015 OROCUBE LLC
 * * All Rights Reserved.
 * ************************************************************************
 */
package com.floreantpos.model.dao;

import java.util.Set;

import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Projections;

import com.floreantpos.model.ShopFloor;
import com.floreantpos.model.ShopTable;

public class ShopFloorDAO extends BaseShopFloorDAO {

    /**
     * Default constructor.  Can be used in place of getInstance()
     */
    public ShopFloorDAO() {
    }

    public boolean hasFloor() {
        Number result = (Number) getSession().createCriteria(getReferenceClass())
                .setProjection(Projections.rowCount()).uniqueResult();
        return result.intValue() != 0;
    }

    @Override
    public void delete(ShopFloor shopFloor) throws HibernateException {
        Session session = null;
        Transaction tx = null;

        try {
            session = createNewSession();
            tx = session.beginTransaction();

            Set<ShopTable> tables = shopFloor.getTables();

            if (tables != null && !tables.isEmpty()) {
                shopFloor.getTables().removeAll(tables);
                saveOrUpdate(shopFloor);
            }

            super.delete(shopFloor, session);

            tx.commit();
        } catch (Exception e) {
            tx.rollback();
            LogFactory.getLog(ShopFloorDAO.class).error(e);

            throw new HibernateException(e);
        } finally {
            closeSession(session);
        }
    }
}