Mercurial > dive4elements > river
view flys-backend/src/main/java/de/intevation/flys/importer/ImportRange.java @ 201:3169b559ca3c
Build models for wsts, wst columns and q ranges and store them in the backend.
flys-backend/trunk@1549 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Wed, 23 Mar 2011 15:22:32 +0000 |
parents | bc3747a371cc |
children | 67fd63e4ef66 |
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package de.intevation.flys.importer; import de.intevation.flys.model.Range; import de.intevation.flys.model.River; import org.hibernate.Session; import org.hibernate.Query; import java.util.List; import java.math.BigDecimal; import org.apache.log4j.Logger; public class ImportRange implements Comparable<ImportRange> { private static Logger log = Logger.getLogger(ImportRange.class); protected BigDecimal a; protected BigDecimal b; protected Range peer; public ImportRange() { } public ImportRange(BigDecimal a, BigDecimal b) { this.a = a; this.b = b; } private static final int compare(BigDecimal a, BigDecimal b) { if (a == null && b == null) { return 0; } if (a == null && b != null) { return -1; } if (a != null && b == null) { return +1; } return a.compareTo(b); } public int compareTo(ImportRange other) { int cmp = compare(a, other.a); if (cmp != 0) return cmp; return compare(b, other.b); } public BigDecimal getA() { return a; } public void setA(BigDecimal a) { this.a = a; } public BigDecimal getB() { return b; } public void setB(BigDecimal b) { this.b = b; } public Range getPeer(River river) { if (peer == null) { Session session = Importer.sessionHolder.get(); Query query = session.createQuery( "from Range where a=:a and b=:b and river=:river"); query.setParameter("a", a); query.setParameter("b", b); query.setParameter("river", river); log.debug("a: " + a + " b: " + b + " river.id: " + river.getId()); List<Range> ranges = query.list(); if (ranges.isEmpty()) { peer = new Range(a, b, river); session.save(peer); } else { peer = ranges.get(0); } } return peer; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :