Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/LocationSelect.java @ 668:5523f5b889a8
#93 Changed the name of calculation type 4.
flys-artifacts/trunk@2086 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 08 Jun 2011 13:32:56 +0000 |
parents | 929137ee8154 |
children | 9a035ef7b595 |
rev | line source |
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Enhanced the transition model to reach a state that creates duration curves.
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1 package de.intevation.flys.artifacts.states; |
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2 |
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3 import gnu.trove.TDoubleArrayList; |
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4 |
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5 import org.apache.log4j.Logger; |
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6 |
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7 import de.intevation.artifacts.Artifact; |
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8 import de.intevation.artifacts.CallContext; |
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9 |
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10 import de.intevation.artifactdatabase.data.StateData; |
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11 |
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ISSUE-62 (part I/II) States are no longer filled with data - if a state needs user input, it needs to query the owner artifact.
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12 import de.intevation.flys.artifacts.FLYSArtifact; |
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13 |
383
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14 |
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15 /** |
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16 * This state is used to realize the input of multiple locations as string. The |
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17 * string should be a whitespace separated list of double values where each |
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18 * double value represents a location. |
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19 * |
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20 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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21 */ |
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22 public class LocationSelect extends LocationDistanceSelect { |
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23 |
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24 /** The logger used in this class.*/ |
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25 private static Logger logger = Logger.getLogger(LocationSelect.class); |
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26 |
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27 |
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28 /** The name of the StateData object that stores the location string.*/ |
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29 public static final String FIELD_LOCATIONS = "ld_locations"; |
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30 |
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31 |
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32 public LocationSelect() { |
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33 } |
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34 |
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35 |
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36 @Override |
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37 protected String getUIProvider() { |
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38 return "location_panel"; |
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39 } |
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40 |
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41 |
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42 @Override |
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43 public boolean validate(Artifact artifact, CallContext context) |
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44 throws IllegalArgumentException |
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45 { |
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46 logger.debug("LocationSelect.validate"); |
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47 |
624
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ISSUE-62 (part I/II) States are no longer filled with data - if a state needs user input, it needs to query the owner artifact.
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48 FLYSArtifact flys = (FLYSArtifact) artifact; |
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ISSUE-62 (part I/II) States are no longer filled with data - if a state needs user input, it needs to query the owner artifact.
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49 StateData data = getData(flys, FIELD_LOCATIONS); |
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50 |
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51 String locationStr = data != null ? (String) data.getValue() : null; |
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52 |
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53 if (locationStr == null || locationStr.length() == 0) { |
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54 logger.error("No locations given."); |
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55 throw new IllegalArgumentException("error_empty_state"); |
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56 } |
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57 |
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58 double[] minmax = getMinMaxDistance(artifact); |
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59 double[] mm = extractLocations(locationStr); |
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60 |
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61 logger.debug("Inserted min location: " + mm[0]); |
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62 logger.debug("Inserted max location: " + mm[mm.length-1]); |
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63 |
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64 return validateBounds(minmax[0], minmax[1], mm[0], mm[mm.length-1], 0d); |
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65 } |
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66 |
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67 |
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68 /** |
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69 * This method takes a string that consist of whitespace separated double |
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70 * values and returns the double values as array. |
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71 * |
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72 * @param locationStr The locations inserted in this state. |
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73 * |
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74 * @return the locations as array. |
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75 */ |
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76 protected double[] extractLocations(String locationStr) { |
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77 String[] tmp = locationStr.split(" "); |
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78 TDoubleArrayList locations = new TDoubleArrayList(); |
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79 |
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80 for (String l: tmp) { |
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81 try { |
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82 locations.add(Double.parseDouble(l)); |
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83 } |
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84 catch (NumberFormatException nfe) { |
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85 logger.warn(nfe, nfe); |
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86 } |
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87 } |
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88 |
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89 locations.sort(); |
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90 |
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91 return locations.toNativeArray(); |
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92 } |
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93 } |
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94 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |