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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/transitions/DefaultTransition.java @ 2089:0da8874bd378

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Added initial state to map artifact to be able to advance and step back. The map artifact overrides describe() to have the complete UI information in the describe response document. flys-artifacts/trunk@3613 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Fri, 06 Jan 2012 12:02:10 +0000
parents 542f280d72c3
children b2ea89a665bc
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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6
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a228b39494a9 Improved the bootstrap process - the states are initialized.
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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
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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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5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
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31
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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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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
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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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69 /**
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70 * Set the current state ID.
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71 *
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72 * @param to the 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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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