Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/injector/DischargeInjector.java @ 8251:c7ca9c228314

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Added context injectors for discharge curves.
author Raimund Renkert <rrenkert@intevation.de>
date Wed, 10 Sep 2014 10:01:11 +0200
parents
children b5bef15c982e
rev   line source
8251
c7ca9c228314 Added context injectors for discharge curves.
Raimund Renkert <rrenkert@intevation.de>
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1 package org.dive4elements.river.exports.injector;
c7ca9c228314 Added context injectors for discharge curves.
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2
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3 import org.apache.log4j.Logger;
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4 import org.dive4elements.artifacts.Artifact;
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5 import org.dive4elements.artifacts.CallContext;
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6 import org.dive4elements.artifacts.ContextInjector;
c7ca9c228314 Added context injectors for discharge curves.
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7 import org.dive4elements.river.artifacts.D4EArtifact;
c7ca9c228314 Added context injectors for discharge curves.
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8 import org.dive4elements.river.artifacts.access.RangeAccess;
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9 import org.dive4elements.river.model.Gauge;
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10 import org.w3c.dom.Document;
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11 import org.w3c.dom.Element;
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12
c7ca9c228314 Added context injectors for discharge curves.
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13 import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM;
c7ca9c228314 Added context injectors for discharge curves.
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14 import static org.dive4elements.river.exports.injector.InjectorConstants.GAUGE_EPSILON;;
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15
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16
c7ca9c228314 Added context injectors for discharge curves.
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17 public class DischargeInjector
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18 implements ContextInjector
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19 {
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20
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21 private static Logger log = Logger.getLogger(DischargeInjector.class);
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22
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23 @Override
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24 public void setup(Element cfg) {
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25 }
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26
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27 @Override
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28 public void injectContext(CallContext ctx, Artifact artifact, Document doc) {
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29 RangeAccess access = new RangeAccess((D4EArtifact)artifact);
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30 double km = access.getFrom();
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31 Gauge gauge = access.getRiver().determineGaugeByStation(
c7ca9c228314 Added context injectors for discharge curves.
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32 km - GAUGE_EPSILON, km + GAUGE_EPSILON);
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33 if (gauge == null) {
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34 log.error("No Gauge could be found at station " + km + "!");
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35 return;
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36 }
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37 ctx.putContextValue(CURRENT_KM, km);
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38 }
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39
c7ca9c228314 Added context injectors for discharge curves.
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40 }
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