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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/access/ExtremeAccess.java @ 4825:f8217f1fef2e

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ExtremeAccess, RangeAccess and callers: Refactored, moved getStep to RangeAccess. Inherit from RangeAccess, adjusted constructor and callers.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Mon, 21 Jan 2013 17:11:10 +0100
parents 2d3f8af87b7b
children
rev   line source
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1 package de.intevation.flys.artifacts.access;
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2
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3 import de.intevation.artifacts.CallContext;
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4
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5 import de.intevation.flys.artifacts.FLYSArtifact;
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6
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7 import de.intevation.flys.artifacts.model.RangeWithValues;
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8
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9 import de.intevation.flys.utils.DoubleUtil;
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10
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11 import java.util.ArrayList;
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12 import java.util.List;
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13
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14 import org.apache.log4j.Logger;
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15
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16 /** Access data used for extreme value analysis. */
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17 public class ExtremeAccess
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18 extends RangeAccess
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19 {
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20 /** Our private logger. */
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21 private static Logger logger = Logger.getLogger(ExtremeAccess.class);
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22
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23 protected Long start;
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24 protected Long end;
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25
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26 protected Double percent;
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27
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28 protected String function;
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29
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30 protected List<RangeWithValues> ranges;
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31
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32
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33 public ExtremeAccess(FLYSArtifact artifact, CallContext context) {
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34 super(artifact, context);
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35 }
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36
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37
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38 /** Returns the percent given. */
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39 public Double getPercent() {
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40
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41 if (percent == null) {
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42 percent = getDouble("percent");
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43 }
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44
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45 if (logger.isDebugEnabled()) {
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46 logger.debug("percent: '" + percent + "'");
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47 }
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48
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49 return percent;
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50 }
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51
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52 public String getFunction() {
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53 if (function == null) {
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54 function = getString("function");
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55 }
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56
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57 if (logger.isDebugEnabled()) {
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58 logger.debug("function: '" + function + "'");
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59 }
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60
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61 return function;
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62 }
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63
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64
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65 /** Find first RangeWithValues for which the given location
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66 * is within the range and return its values.
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67 * @return values of first suitable rangewithvalues or null.
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68 */
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69 public double[] getValuesForRange(double location) {
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70 logger.debug("ExtemeAcces.getValuesForRange");
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71 for (RangeWithValues rangeValues: getRanges()) {
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72 if (rangeValues.inside(location)) {
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73 return rangeValues.getValues();
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74 }
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75 }
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76 return null;
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77 }
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78
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79
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80 public List<RangeWithValues> getRanges() {
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81
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82 if (ranges == null) {
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83 String rangesS = getString("ranges");
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84 if (rangesS == null) {
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85 return null;
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86 }
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87 ranges = new ArrayList<RangeWithValues>();
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88 DoubleUtil.parseSegments(rangesS, new DoubleUtil.SegmentCallback() {
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89 @Override
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90 public void newSegment(double from, double to, double [] values) {
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91 ranges.add(new RangeWithValues(from, to, values));
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92 }
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93 });
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94 }
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95
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96 if (logger.isDebugEnabled()) {
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97 logger.debug("ranges: " + ranges);
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98 }
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99
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100 return ranges;
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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=utf-8 :
http://dive4elements.wald.intevation.org