Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/transitions/DefaultTransition.java @ 3814:8083f6384023
merged flys-artifacts/pre2.6-2012-01-04
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:56 +0200 |
| parents | 542f280d72c3 |
| children | b2ea89a665bc |
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| 1491:2a00f4849738 | 3814:8083f6384023 |
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| 1 package de.intevation.flys.artifacts.transitions; | |
| 2 | |
| 3 import org.w3c.dom.Node; | |
| 4 | |
| 5 import de.intevation.artifacts.Artifact; | |
| 6 | |
| 7 import de.intevation.artifactdatabase.state.State; | |
| 8 import de.intevation.artifactdatabase.transition.Transition; | |
| 9 | |
| 10 | |
| 11 /** | |
| 12 * The default implementation of a <code>Transition</code>. | |
| 13 * | |
| 14 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 15 */ | |
| 16 public class DefaultTransition implements Transition { | |
| 17 | |
| 18 /** The ID of the current state */ | |
| 19 protected String from; | |
| 20 | |
| 21 /** The ID of the target state */ | |
| 22 protected String to; | |
| 23 | |
| 24 | |
| 25 /** | |
| 26 * The default constructor. | |
| 27 */ | |
| 28 public DefaultTransition() { | |
| 29 } | |
| 30 | |
| 31 | |
| 32 /** | |
| 33 * The default constructor. | |
| 34 * | |
| 35 * @param from The current state. | |
| 36 * @param to The target state. | |
| 37 */ | |
| 38 public DefaultTransition(String from, String to) { | |
| 39 this.from = from; | |
| 40 this.to = to; | |
| 41 } | |
| 42 | |
| 43 | |
| 44 public void init(Node config) { | |
| 45 // nothing to do in the default transition | |
| 46 } | |
| 47 | |
| 48 | |
| 49 /** | |
| 50 * Returns the current state ID. | |
| 51 * | |
| 52 * @return the current state ID. | |
| 53 */ | |
| 54 public String getFrom() { | |
| 55 return from; | |
| 56 } | |
| 57 | |
| 58 | |
| 59 /** | |
| 60 * Returns the target state ID. | |
| 61 * | |
| 62 * @return the target state ID. | |
| 63 */ | |
| 64 public String getTo() { | |
| 65 return to; | |
| 66 } | |
| 67 | |
| 68 | |
| 69 /** | |
| 70 * Set the current state ID. | |
| 71 * | |
| 72 * @param to the current state ID. | |
| 73 */ | |
| 74 public void setFrom(String from) { | |
| 75 this.from = from; | |
| 76 } | |
| 77 | |
| 78 | |
| 79 /** | |
| 80 * Set the target state ID. | |
| 81 * | |
| 82 * @param to the target state ID. | |
| 83 */ | |
| 84 public void setTo(String to) { | |
| 85 this.to = to; | |
| 86 } | |
| 87 | |
| 88 | |
| 89 /** | |
| 90 * Determines if its valid to step from state <i>a</i> of an artifact | |
| 91 * <i>artifact</i> to state <i>b</i>. This method always returns true - no | |
| 92 * validation takes place. | |
| 93 * | |
| 94 * @param artifact The owner artifact of state a and b. | |
| 95 * @param a The current state. | |
| 96 * @param b The target state. | |
| 97 * | |
| 98 * @return true, if it is valid to step from a to b, otherwise false. | |
| 99 */ | |
| 100 public boolean isValid(Artifact artifact, State a, State b) { | |
| 101 return true; | |
| 102 } | |
| 103 } | |
| 104 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |