Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/Transition.java @ 1061:13bea93a070a

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Do not call the endOfLife method of the current state before advancing to a next state, because this would remove elements from cache that have been inserted just before - it would be impossible to make use of a cache in that case. gnv-artifacts/trunk@1144 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 01 Jun 2010 16:59:15 +0000
parents 05bf8534a35a
children f953c9a559d8
rev   line source
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1 package de.intevation.gnv.transition;
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2
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3 import de.intevation.gnv.state.State;
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4
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5 import java.io.Serializable;
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6
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7 import org.w3c.dom.Node;
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8
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9 /**
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10 * This interface describes basic methods necessary for a transition model.
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11 *
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12 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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13 *
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14 */
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15 public interface Transition extends Serializable{
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17 /**
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18 * Returns the ID of the State from which the Transition could be used
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19 * @return the ID of the State from which the Transition could be used
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20 */
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21 public String getFrom();
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23 /**
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24 * Returns the ID of the State where it is possible to go as next.
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25 * @return the ID of the State where it is possible to go as next.
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26 */
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27 public String getTo();
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29 /**
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30 * Determines if it is possible to go along this Transition or not.
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31 * @param state the current State
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32 * @return true, if this transition is valid for the given state - otherwise
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33 * false.
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34 */
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35 public boolean isValid(State state);
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37 /**
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38 * Configures the Transition.
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39 * @param configuration
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40 */
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41 public void setup(Node configuration);
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42
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43 }
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44 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org