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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/transitions/DefaultTransition.java @ 4339:ff83ec9b4c0b

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FixWQCurveGenerator: For extreme_wq_curves, add marker to indicate where extrapolation starts.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 31 Oct 2012 14:09:36 +0100
parents b2ea89a665bc
children
rev   line source
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5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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1 package de.intevation.flys.artifacts.transitions;
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3 import org.w3c.dom.Node;
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4
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5 import de.intevation.artifacts.Artifact;
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7 import de.intevation.artifactdatabase.state.State;
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8 import de.intevation.artifactdatabase.transition.Transition;
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11 /**
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12 * The default implementation of a <code>Transition</code>.
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13 *
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14 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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15 */
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16 public class DefaultTransition implements Transition {
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17
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18 /** The ID of the current state */
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19 protected String from;
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20
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21 /** The ID of the target state */
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22 protected String to;
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23
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24
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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25 /**
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26 * The default constructor.
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27 */
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28 public DefaultTransition() {
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29 }
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30
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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31
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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32 /**
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33 * The default constructor.
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34 *
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35 * @param from The current state.
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36 * @param to The target state.
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37 */
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38 public DefaultTransition(String from, String to) {
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39 this.from = from;
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40 this.to = to;
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41 }
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42
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43
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44 public void init(Node config) {
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45 // nothing to do in the default transition
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46 }
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47
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48
106
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49 /**
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50 * Returns the current state ID.
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51 *
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52 * @return the current state ID.
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53 */
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54 public String getFrom() {
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55 return from;
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56 }
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57
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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58
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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59 /**
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60 * Returns the target state ID.
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61 *
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62 * @return the target state ID.
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63 */
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64 public String getTo() {
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65 return to;
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66 }
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68
5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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69 /**
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70 * Set the current state ID.
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71 *
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72 * @param from current state ID.
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73 */
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74 public void setFrom(String from) {
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75 this.from = from;
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76 }
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78
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79 /**
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80 * Set the target state ID.
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81 *
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82 * @param to the target state ID.
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83 */
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84 public void setTo(String to) {
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85 this.to = to;
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86 }
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88
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89 /**
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90 * Determines if its valid to step from state <i>a</i> of an artifact
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91 * <i>artifact</i> to state <i>b</i>. This method always returns true - no
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92 * validation takes place.
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93 *
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94 * @param artifact The owner artifact of state a and b.
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95 * @param a The current state.
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96 * @param b The target state.
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97 *
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98 * @return true, if it is valid to step from a to b, otherwise false.
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99 */
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100 public boolean isValid(Artifact artifact, State a, State b) {
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101 return true;
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102 }
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103 }
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104 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org