locationencoderSessionBean.java

/*
 *  Copyright (c) 2008 Boulder Community Foundation - iVolunteer
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */
package etl;

import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import javax.persistence.NoResultException;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.ejb.TransactionManagement;
import javax.ejb.TransactionManagementType;
import javax.transaction.UserTransaction;

/**
 * 
 * @author Dave Angulo
 */
@Stateless
@TransactionManagement(TransactionManagementType.BEAN)
public class locationencoderSessionBean implements locationencoderSessionLocal {

    @Resource
    private UserTransaction userTransaction;
    
    @PersistenceContext
    private EntityManager em;

    public void updateLocationTableLatLon() {
        Query locationQuery = em.createNamedQuery("Location.findNullLatLon");
//        Query updateQuery = em.createNamedQuery("Location.updateLatLong");
        geocodeSessionBean encoder = new geocodeSessionBean();

        try {
            userTransaction.begin();
            List<persistence.Location> locationList = (List<persistence.Location>) locationQuery.getResultList();
            for (persistence.Location loc : locationList) {
                try {
                encoder.encodeAddress(loc);
                Logger.getLogger(locationencoderSessionBean.class.getName()).log(Level.INFO, (((loc.getStreet() != null || loc.getCity() != null || loc.getState() != null || loc.getZip() != null) &&
                        (loc.getLatitude() == null || loc.getLongitude() == null)) ? "ERROR " : "") +
                        "Encoding '" + loc.getStreet() + "','" + loc.getCity() + "','" + loc.getState() + "','" + loc.getZip() + "' to " + loc.getLatitude() + ", " + loc.getLongitude());
                if (loc.getLatitude() != null && loc.getLongitude() != null) {
                    em.merge(loc);
                    em.flush();
                    userTransaction.commit();
                    userTransaction.begin();
                }
                }
                catch (Exception e) {
                    Logger.getLogger(locationencoderSessionBean.class.getName()).log(Level.WARNING, "Problem encoding lat-long for: " + loc.getId());
                }
            }
            userTransaction.commit();

        } catch (NoResultException nr) {
            System.out.println("No locations need updating");
            return;
        } catch (Exception e) {
            Logger.getLogger(locationencoderSessionBean.class.getName()).log(Level.SEVERE, "Transaction Error:" + e.getMessage());
        }

    }

    public void persist(Object object) {
        em.persist(object);
    }
    // Add business logic below. (Right-click in editor and choose
    // "Insert Code > Add Business Method" or "Web Service > Add Operation")
}