Mercurial > dive4elements > river
view flys-backend/src/main/java/de/intevation/flys/importer/ImportEdge.java @ 2811:8926571e47fb
Finished importing MINFO bed heights (single and epoch).
flys-backend/trunk@4225 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Fri, 13 Apr 2012 07:24:55 +0000 |
parents | 9f2204ed79ed |
children |
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package de.intevation.flys.importer; import de.intevation.flys.model.Edge; import org.hibernate.Session; import org.hibernate.Query; import java.util.List; import java.math.BigDecimal; public class ImportEdge implements Comparable<ImportEdge> { protected BigDecimal top; protected BigDecimal bottom; protected Edge peer; public ImportEdge() { } public ImportEdge(BigDecimal top, BigDecimal bottom) { this.top = top; this.bottom = bottom; } public BigDecimal getTop() { return top; } public void setTop(BigDecimal top) { this.top = top; } public BigDecimal getBottom() { return bottom; } public void setBottom(BigDecimal bottom) { this.bottom = bottom; } private static final int compare(BigDecimal a, BigDecimal b) { if (a == null && b != null) return -1; if (a != null && b == null) return +1; if (a == null && b == null) return 0; return a.compareTo(b); } public int compareTo(ImportEdge other) { int cmp = compare(top, other.top); return cmp != 0 ? cmp : compare(bottom, other.bottom); } public Edge getPeer() { if (peer == null) { Session session = ImporterSession.getInstance().getDatabaseSession(); Query query = session.createQuery( "from Edge where top=:top and bottom=:bottom"); query.setParameter("top", top); query.setParameter("bottom", bottom); List<Edge> edges = query.list(); if (edges.isEmpty()) { peer = new Edge(top, bottom); session.save(peer); } else { peer = edges.get(0); } } return peer; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :