Mercurial > dive4elements > river
diff flys-backend/src/main/java/de/intevation/flys/importer/ImportWaterlevelDifferenceColumn.java @ 2850:a1402c16152f
Added a parser and importer classes used to import waterlevel differences.
flys-backend/trunk@4304 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 26 Apr 2012 09:46:32 +0000 |
parents | |
children | ed13816047b3 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-backend/src/main/java/de/intevation/flys/importer/ImportWaterlevelDifferenceColumn.java Thu Apr 26 09:46:32 2012 +0000 @@ -0,0 +1,82 @@ +package de.intevation.flys.importer; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.log4j.Logger; + +import org.hibernate.Session; +import org.hibernate.Query; + +import de.intevation.flys.model.River; +import de.intevation.flys.model.WaterlevelDifference; +import de.intevation.flys.model.WaterlevelDifferenceColumn; + + +public class ImportWaterlevelDifferenceColumn { + + private static final Logger log = + Logger.getLogger(ImportWaterlevelDifferenceColumn.class); + + + private String description; + + private List<ImportWaterlevelDifferenceValue> values; + + private WaterlevelDifferenceColumn peer; + + + public ImportWaterlevelDifferenceColumn(String description) { + this.values = new ArrayList<ImportWaterlevelDifferenceValue>(); + + this.description = description; + } + + + public void addValue(ImportWaterlevelDifferenceValue value) { + this.values.add(value); + } + + + public void storeDependencies(WaterlevelDifference difference) { + log.info("store dependencies"); + + WaterlevelDifferenceColumn peer = getPeer(difference); + + int i = 0; + + for (ImportWaterlevelDifferenceValue value: values) { + value.storeDependencies(peer); + i++; + } + + log.info("stored " + i + " waterlevel difference values"); + } + + + public WaterlevelDifferenceColumn getPeer(WaterlevelDifference diff) { + if (peer == null) { + Session session = ImporterSession.getInstance().getDatabaseSession(); + Query query = session.createQuery( + "from WaterlevelDifferenceColumn where " + + " difference=:difference and " + + " description=:description" + ); + + query.setParameter("difference", diff); + query.setParameter("description", description); + + List<WaterlevelDifferenceColumn> cols = query.list(); + if (cols.isEmpty()) { + peer = new WaterlevelDifferenceColumn(diff, description); + session.save(peer); + } + else { + peer = cols.get(0); + } + } + + return peer; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :