teichmann@5829: package org.dive4elements.river.importer;
ingo@2808: 
ingo@2809: import java.util.List;
ingo@2809: 
ingo@2809: import org.apache.log4j.Logger;
ingo@2809: 
ingo@2809: import org.hibernate.Session;
ingo@2809: import org.hibernate.Query;
ingo@2809: 
teichmann@5829: import org.dive4elements.river.model.LocationSystem;
ingo@2808: 
ingo@2808: 
ingo@2808: public class ImportLocationSystem {
ingo@2808: 
ingo@2809:     private static final Logger log =
ingo@2809:         Logger.getLogger(ImportLocationSystem.class);
ingo@2809: 
ingo@2809: 
ingo@2808:     protected String name;
ingo@2808:     protected String description;
ingo@2808: 
ingo@2809:     protected LocationSystem peer;
ingo@2809: 
ingo@2808: 
ingo@2808:     public ImportLocationSystem(String name, String description) {
ingo@2808:         this.name        = name;
ingo@2808:         this.description = description;
ingo@2808:     }
ingo@2809: 
ingo@2809:     public void storeDependencies() {
ingo@2809:         log.info("store LocationSystem '" + name + "'");
ingo@2809:         LocationSystem ls = getPeer();
ingo@2809: 
ingo@2809:         Session session = ImporterSession.getInstance().getDatabaseSession();
ingo@2809:         session.flush();
ingo@2809:     }
ingo@2809: 
ingo@2809:     public LocationSystem getPeer() {
ingo@2809:         if (peer == null) {
ingo@2809:             Session session = ImporterSession.getInstance().getDatabaseSession();
ingo@2809:             Query query = session.createQuery(
ingo@2809:                 "from LocationSystem where " +
ingo@2809:                 "name=:name and description=:description");
ingo@2809:             query.setParameter("name", name);
ingo@2809:             query.setParameter("description", description);
ingo@2809: 
ingo@2809:             List<LocationSystem> lss = query.list();
ingo@2809:             if (lss.isEmpty()) {
ingo@2809:                 peer = new LocationSystem(name, description);
ingo@2809:                 session.save(peer);
ingo@2809:             }
ingo@2809:             else {
ingo@2809:                 peer = lss.get(0);
ingo@2809:             }
ingo@2809:         }
ingo@2809: 
ingo@2809:         return peer;
ingo@2809:     }
ingo@2808: }
ingo@2808: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :