Mercurial > dive4elements > river
view flys-backend/src/main/java/de/intevation/flys/importer/ImportWaterlevelDifference.java @ 4760:69bb2996ed19
W80Parser: Doc.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 04 Jan 2013 11:11:24 +0100 |
parents | a5b003595d6c |
children | 8320427ecd5c |
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package de.intevation.flys.importer; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.hibernate.Session; import org.hibernate.Query; import org.hibernate.exception.ConstraintViolationException; import de.intevation.flys.model.River; import de.intevation.flys.model.Unit; import de.intevation.flys.model.WaterlevelDifference; public class ImportWaterlevelDifference { private static final Logger log = Logger .getLogger(ImportWaterlevelDifference.class); private ImportUnit unit; private String description; private List<ImportWaterlevelDifferenceColumn> columns; private WaterlevelDifference peer; public ImportWaterlevelDifference(String description) { this.columns = new ArrayList<ImportWaterlevelDifferenceColumn>(); this.description = description; } public void setUnit(ImportUnit unit) { this.unit = unit; } public void addValue(ImportWaterlevelDifferenceColumn column) { this.columns.add(column); } public void storeDependencies(River river) throws SQLException, ConstraintViolationException { log.info("store dependencies"); WaterlevelDifference peer = getPeer(river); if (peer != null) { int i = 0; for (ImportWaterlevelDifferenceColumn column : columns) { column.storeDependencies(peer); i++; } log.info("stored " + i + " waterlevel difference columns"); } } public WaterlevelDifference getPeer(River river) { Unit u = unit != null ? unit.getPeer() : null; if (u == null) { log.warn("IWD: skip invalid waterlevel difference - no unit set!"); return null; } if (peer == null) { Session session = ImporterSession.getInstance() .getDatabaseSession(); Query query = session .createQuery("from WaterlevelDifference where " + " river=:river and " + " unit=:unit and " + " description=:description"); query.setParameter("river", river); query.setParameter("unit", u); query.setParameter("description", description); List<WaterlevelDifference> diffs = query.list(); if (diffs.isEmpty()) { peer = new WaterlevelDifference(river, u, description); session.save(peer); } else { peer = diffs.get(0); } } return peer; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :