Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/ValueCompareTransition.java @ 605:e8ebdbc7f1e3

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First step of removing the cache blob. The static part of the describe document will be created by using the input data stored at each state. Some TODOs left (see ChangeLog). gnv-artifacts/trunk@671 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 09 Feb 2010 14:27:55 +0000
parents a887074460b6
children 9a828e5a2390
rev   line source
337
a887074460b6 Last Step of the Refactoring Work on the Transition Model.
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.transition;
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5
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6 import java.util.Iterator;
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7
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8 import org.apache.log4j.Logger;
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9 import org.w3c.dom.Node;
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10
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11 import de.intevation.artifactdatabase.Config;
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12 import de.intevation.gnv.state.InputData;
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13 import de.intevation.gnv.state.State;
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14 import de.intevation.gnv.state.exception.StateException;
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15
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16 /**
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17 * @author Tim Englich <tim.englich@intevation.de>
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18 *
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19 */
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20 public class ValueCompareTransition extends TransitionBase {
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21
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22 /**
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23 * the logger, used to log exceptions and additonaly information
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24 */
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25 private static Logger log = Logger.getLogger(ValueCompareTransition.class);
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26
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27 private String dataName = null;
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28 private String dataValue = null;
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29 private String operator = null;
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30
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31 /**
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32 * The UID of this Class.
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33 */
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34 private static final long serialVersionUID = -7846722158776823205L;
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35
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36 /**
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37 * Constructor
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38 */
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39 public ValueCompareTransition() {
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40 super();
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41 }
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42
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43 /**
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44 * @see de.intevation.gnv.transition.Transition#isValid(de.intevation.gnv.state.State)
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45 */
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46 public boolean isValid(State state) {
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47
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48 try {
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49 Iterator<InputData> it = state.getInputData().iterator();
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50 while (it.hasNext()){
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51 InputData inputData = it.next();
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52 if (inputData.getName().equals(this.dataName)){
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53 boolean returnValue = false;
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54 if (operator.equals("equal")){
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55 returnValue = this.dataValue.equals(inputData.getValue());
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56 }else if (operator.equals("notequal")){
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57 returnValue = !this.dataValue.equals(inputData.getValue());
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58 }
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59 return returnValue;
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60 }
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61 }
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62 if (operator.equals("notequal")){
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63 // data is not given. So the constraint not Equals is fullfilled.
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64 return true;
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65 }
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66 } catch (StateException e) {
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67 log.error(e,e);
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68 return false;
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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 @Override
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74 public void setup(Node configuration) {
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75 super.setup(configuration);
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76 this.dataName = Config.getStringXPath(configuration,"condition/@inputvalue");
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77 this.dataValue = Config.getStringXPath(configuration,"condition/@value");
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78 this.operator = Config.getStringXPath(configuration,"condition/@operator");
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79 }
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80
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81
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82 }
http://dive4elements.wald.intevation.org