Mercurial > dive4elements > river
diff flys-backend/src/main/java/de/intevation/flys/importer/ImportCrossSectionLine.java @ 1204:22858e7cca79
Integrated PRF parsing into importer. Needs testing!
flys-backend/trunk@2309 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 07 Jul 2011 22:25:38 +0000 |
parents | |
children | 5f1506fc7636 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-backend/src/main/java/de/intevation/flys/importer/ImportCrossSectionLine.java Thu Jul 07 22:25:38 2011 +0000 @@ -0,0 +1,117 @@ +package de.intevation.flys.importer; + +import de.intevation.flys.model.CrossSection; +import de.intevation.flys.model.CrossSectionPoint; +import de.intevation.flys.model.CrossSectionLine; + +import org.hibernate.Session; +import org.hibernate.Query; + +import java.math.BigDecimal; + +import java.util.List; +import java.util.Comparator; +import java.util.Map; +import java.util.TreeMap; + +public class ImportCrossSectionLine +{ + public static final Comparator<CrossSectionPoint> INDEX_CMP = + new Comparator<CrossSectionPoint>() { + public int compare(CrossSectionPoint a, CrossSectionPoint b) { + return a.getColPos().compareTo(b.getColPos()); + } + }; + + protected BigDecimal km; + protected ImportCrossSection crossSection; + protected List<XY> points; + + protected CrossSectionLine peer; + + public ImportCrossSectionLine() { + } + + public ImportCrossSectionLine(BigDecimal km, List<XY> points) { + this.km = km; + this.points = points; + } + + public ImportCrossSection getCrossSection() { + return crossSection; + } + + public void setCrossSection(ImportCrossSection crossSection) { + this.crossSection = crossSection; + } + + public BigDecimal getKm() { + return km; + } + + public void setKm(BigDecimal km) { + this.km = km; + } + + public void storeDependencies() { + storePoints(); + } + + protected void storePoints() { + CrossSectionLine csl = getPeer(); + + Map<CrossSectionPoint, CrossSectionPoint> map = + new TreeMap<CrossSectionPoint, CrossSectionPoint>(INDEX_CMP); + + // build index for faster collision lookup + for (CrossSectionPoint point: csl.getPoints()) { + map.put(point, point); + } + + Session session = + ImporterSession.getInstance().getDatabaseSession(); + + CrossSectionPoint key = new CrossSectionPoint(); + + for (XY xy: points) { + key.setColPos(xy.getIndex()); + CrossSectionPoint csp = map.get(key); + if (csp == null) { // create new + csp = new CrossSectionPoint( + csl, key.getColPos(), + new BigDecimal(xy.getX()), + new BigDecimal(xy.getY())); + } + else { // update old + csp.setX(new BigDecimal(xy.getX())); + csp.setY(new BigDecimal(xy.getY())); + } + session.save(csp); + } + } + + public CrossSectionLine getPeer() { + if (peer == null) { + CrossSection cs = crossSection.getPeer(); + + Session session = + ImporterSession.getInstance().getDatabaseSession(); + + Query query = session.createQuery( + "from CrossSectionLine where crossSection=:cs and km=:km"); + query.setParameter("cs", cs); + query.setParameter("km", km); + + List<CrossSectionLine> lines = query.list(); + if (lines.isEmpty()) { + peer = new CrossSectionLine(cs, km); + session.save(peer); + } + else { + peer = lines.get(0); + } + } + return peer; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :