Mercurial > dive4elements > river
view backend/src/main/java/org/dive4elements/river/importer/ImportEdge.java @ 9010:dcbdff96d1a8
Tkh import with day instead of year
author | mschaefer |
---|---|
date | Wed, 18 Apr 2018 07:42:06 +0200 |
parents | 5e38e2924c07 |
children |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.importer; import org.dive4elements.river.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 :