Mercurial > dive4elements > river
view flys-backend/src/main/java/de/intevation/flys/importer/Importer.java @ 190:d40da430d2fe
Added stub code to write gauges
flys-backend/trunk@1527 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
---|---|
date | Mon, 21 Mar 2011 09:52:26 +0000 |
parents | bc3747a371cc |
children | ed38839a6b08 |
line wrap: on
line source
package de.intevation.flys.importer; import java.io.File; import java.io.IOException; import java.util.List; import java.sql.SQLException; import org.apache.log4j.Logger; import org.hibernate.SessionFactory; import org.hibernate.Session; import org.hibernate.Transaction; import org.hibernate.HibernateException; import de.intevation.flys.backend.SessionFactoryProvider; public class Importer { private static Logger log = Logger.getLogger(Importer.class); public static final ThreadLocal<Session> sessionHolder = new ThreadLocal<Session>(); protected List<ImportRiver> rivers; public Importer() { } public Importer(List<ImportRiver> rivers) { this.rivers = rivers; } public List<ImportRiver> getRivers() { return rivers; } public void setRivers(List<ImportRiver> rivers) { this.rivers = rivers; } public void writeRivers() { log.debug("write rivers started"); Session session = sessionHolder.get(); for (ImportRiver river: rivers) { log.debug("writing river '" + river.getName() + "'"); river.storeDependencies(); session.flush(); } log.debug("write rivers finished"); } public void writeToDatabase() { SessionFactory sessionFactory = SessionFactoryProvider.createSessionFactory(); Session session = sessionFactory.openSession(); sessionHolder.set(session); Transaction tx = null; try { tx = session.beginTransaction(); try { writeRivers(); } catch (HibernateException he) { Throwable t = he.getCause(); while (t instanceof SQLException) { SQLException sqle = (SQLException)t; log.error("SQL exeception chain:", sqle); t = sqle.getNextException(); } throw he; } tx.commit(); } catch (RuntimeException re) { if (tx != null) { tx.rollback(); } throw re; } finally { session.close(); sessionHolder.remove(); } } public static void main(String [] args) { InfoGewParser infoGewParser = new InfoGewParser(); for (String gew: args) { log.info("parsing info gew file: " + gew); try { infoGewParser.parse(new File(gew)); } catch (IOException ioe) { log.error("cannot while parsing: " + gew); } } // TODO: Add a dry run option new Importer(infoGewParser.getRivers()).writeToDatabase(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :