Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/PresettingsValueCompareTransition.java @ 1055:bb2679624c6a
Implemented a new histogram dataset that takes the width of a single bin as well as the number of bins for the histogram (issue288).
gnv-artifacts/trunk@1130 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 27 May 2010 07:41:14 +0000 |
parents | 2423cefe7d39 |
children | f953c9a559d8 |
rev | line source |
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Added new Transition and State for using the PreSettingsValue for the decision if a Transition could be used
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1 package de.intevation.gnv.transition; |
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2 |
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3 import java.util.Map; |
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4 |
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5 import org.apache.log4j.Logger; |
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6 import org.w3c.dom.Node; |
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7 |
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8 import de.intevation.artifactdatabase.Config; |
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9 import de.intevation.gnv.state.InputData; |
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10 import de.intevation.gnv.state.State; |
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11 |
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12 /** |
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13 * Class which supports the possibility to validate if a |
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14 * Transition could be done using simple Valuecompare Operations. |
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15 * The Compareoperations will use the preSettings of an Artifact. |
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16 * At this Time equal and notequal-operations are supported. |
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17 * The Comparation is casesensitive. |
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18 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> |
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19 * |
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20 */ |
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21 public class PresettingsValueCompareTransition extends TransitionBase { |
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22 |
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23 /** |
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24 * the logger, used to log exceptions and additonaly information |
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25 */ |
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26 private static Logger log = Logger.getLogger(PresettingsValueCompareTransition.class); |
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27 |
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28 /** |
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29 * The Name of the Datafield the Value that should be compared |
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30 * should be fetched from. |
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31 */ |
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32 private String dataName = null; |
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33 /** |
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34 * The Value that should be set to the State. |
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35 */ |
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36 private String dataValue = null; |
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37 /** |
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38 * The Operation that should be used (equal notequal) |
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39 */ |
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40 private String operator = null; |
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41 |
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42 /** |
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43 * The UID of this Class. |
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44 */ |
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45 private static final long serialVersionUID = -7846722158776823205L; |
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46 |
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47 /** |
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48 * Constructor |
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49 */ |
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50 public PresettingsValueCompareTransition() { |
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51 super(); |
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52 } |
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53 |
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54 |
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55 public boolean isValid(State state) { |
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56 Map<String, InputData> preSettings = state.getPreSettings(); |
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57 if (preSettings != null){ |
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58 boolean dataAvailable = preSettings.containsKey(dataName); |
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59 if (dataAvailable){ |
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60 if (operator.equals("equal")){ |
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61 return preSettings.get(dataName).getValue().startsWith(dataValue); |
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62 }else if (operator.equals("notequal")){ |
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63 return !preSettings.get(dataName).getValue().startsWith(dataValue); |
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64 } |
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65 } |
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66 } |
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67 if (operator.equals("notequal")){ |
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68 return true; |
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69 } |
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70 return false; |
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71 } |
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72 |
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73 |
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74 @Override |
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75 public void setup(Node configuration) { |
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76 super.setup(configuration); |
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77 this.dataName = Config.getStringXPath(configuration,"condition/@inputvalue"); |
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78 this.dataValue = Config.getStringXPath(configuration,"condition/@value"); |
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79 this.operator = Config.getStringXPath(configuration,"condition/@operator"); |
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80 } |
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81 } |
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82 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |