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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/access/FixAnalysisAccess.java @ 4897:9c388de4b4d5

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Builder: Doc, comments.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 29 Jan 2013 11:49:37 +0100
parents acfd48384835
children
rev   line source
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50d61a2494cb FixA: Renamed FixationArtifactAccess to FixAnalysisAccess
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.flys.artifacts.access;
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2
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3 import de.intevation.artifactdatabase.data.StateData;
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4 import de.intevation.artifacts.CallContext;
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5
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6 import de.intevation.flys.artifacts.FLYSArtifact;
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7
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8 import de.intevation.flys.artifacts.model.DateRange;
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9
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10 import java.util.Arrays;
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11 import java.util.Date;
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12
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13 import org.apache.log4j.Logger;
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14
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15 public class FixAnalysisAccess
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16 extends FixAccess
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17 {
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18 private static Logger log = Logger.getLogger(FixAnalysisAccess.class);
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19
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20 protected DateRange referencePeriod;
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21 protected DateRange [] analysisPeriods;
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22
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23 protected double [] qs;
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24
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25 public FixAnalysisAccess(FLYSArtifact artifact, CallContext context) {
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26 super(artifact, context);
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27 }
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28
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29 public DateRange getReferencePeriod() {
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30 if (referencePeriod == null) {
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31 StateData refStart = artifact.getData("ref_start");
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32 StateData refEnd = artifact.getData("ref_end");
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33
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34 if (refStart == null || refEnd == null) {
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35 log.warn("missing 'ref_start' or 'ref_start' value");
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36 return null;
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37 }
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38
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39 try {
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40 long rs = Long.parseLong((String)refStart.getValue());
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41 long re = Long.parseLong((String)refEnd .getValue());
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42
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43 if (rs > re) { long t = rs; rs = re; re = t; }
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44
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45 Date from = new Date(rs);
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46 Date to = new Date(re);
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47 referencePeriod = new DateRange(from, to);
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48 }
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49 catch (NumberFormatException nfe) {
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50 log.warn("ref_start or ref_end is not an integer.");
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51 }
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52 }
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53
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54 return referencePeriod;
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55 }
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56
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57 public DateRange [] getAnalysisPeriods() {
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58 if (analysisPeriods == null) {
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59 analysisPeriods = getDateRange("ana_data");
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60 }
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61
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62 return analysisPeriods;
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63 }
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64
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65 /**
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66 * @return DateRange object ranging from eldest to youngest date
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67 * of analysis and reference periods.
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68 */
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69 public DateRange getDateRange() {
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70 DateRange refP = getReferencePeriod();
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71
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72 if (refP == null) {
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73 return null;
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74 }
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75
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76 Date from = refP.getFrom();
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77 Date to = refP.getTo();
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78
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79 DateRange[] rs = getAnalysisPeriods();
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80 for (DateRange r: rs) {
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81 if (r.getFrom().before(from)) {
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82 from = r.getFrom();
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83 }
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84 if (r.getTo().after(to)) {
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85 to = r.getTo();
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86 }
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87 }
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88
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89 return new DateRange(from, to);
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90 }
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91
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92 public double [] getQs() {
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93 if (qs == null) {
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94 qs = getDoubleArray("qs");
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95 }
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96
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97 if (log.isDebugEnabled() && qs != null) {
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98 log.debug("qs: " + Arrays.toString(qs));
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99 }
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100 return qs;
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101 }
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102 }
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103 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org