Mercurial > dive4elements > river
view backend/src/main/java/org/dive4elements/river/importer/ImportRange.java @ 8270:1cfeab5e9a60
Call orphaned macro originating from 'fix_wq_curve' in prototype.
author | "Tom Gottfried <tom@intevation.de>" |
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date | Mon, 15 Sep 2014 11:58:31 +0200 |
parents | 9d2e69f971f5 |
children | 17db08570637 |
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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.Range; import org.dive4elements.river.model.River; import java.math.BigDecimal; import org.apache.log4j.Logger; /** A range that is about to be imported. */ public class ImportRange implements Comparable<ImportRange> { /** Private log. */ 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) { // enforce a<b and set only a for zero-length ranges if (a != null && b == null) { this.a = a; this.b = null; } else if (a == null && b != null) { this.a = b; this.b = null; } else if (a == null && b == null) { throw new IllegalArgumentException("Both a and b are null."); } else if (a == b) { this.a = a; this.b = null; } else { if (a.compareTo(b) > 0) { BigDecimal t = a; a = b; b = t; } 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) { if (this.b != null && a.compareTo(b) >= 0) { throw new IllegalArgumentException("a (" + a + ") must be smaller than b (" + b + ")."); } this.a = a; } public BigDecimal getB() { return b; } public void setB(BigDecimal b) { if (b != null && b.compareTo(a) <= 0) { throw new IllegalArgumentException("b (" + b + ") must be greater than a (" + a + ") or null."); } this.b = b; } public Range getPeer(River river) { if (peer == null) { peer = ImporterSession.getInstance().getRange(river, a, b); } return peer; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :