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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/transitions/DefaultTransition.java @ 5818:a4ff4167be1e

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Request feature info on all layers and show it as html if the server does not return valid gml. Non queryable layers produce an error message when the request fails. This is good enough
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 24 Apr 2013 17:33:27 +0200
parents b2ea89a665bc
children
rev   line source
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5864c41219db Initializes a TransitionEngine storing all transitions for each artifact at the application start.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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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
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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
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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