Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/AbstractStaticStateArtifact.java @ 4157:44d27b8bb0bc
Store a StaticState class in staticstate member variable
To be able to access StaticState methods we need a StaticState calls instead of
a State here.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 16 Oct 2012 15:47:36 +0200 |
parents | 4e1b3b4ef132 |
children | a699d6c42a8b |
rev | line source |
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1 package de.intevation.flys.artifacts; |
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2 |
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3 import java.util.ArrayList; |
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4 import java.util.List; |
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5 |
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6 import de.intevation.artifactdatabase.state.State; |
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7 |
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Store a StaticState class in staticstate member variable
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8 import de.intevation.flys.artifacts.states.StaticState; |
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Store a StaticState class in staticstate member variable
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9 |
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10 /** |
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11 * A abstract baseclass for Artifacts which are using only one static state. |
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12 * |
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13 * This class is intended to be used without the config/stateengine to generate |
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14 * the static state. |
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15 * |
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16 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> |
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17 */ |
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18 public abstract class AbstractStaticStateArtifact extends StaticFLYSArtifact { |
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19 |
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20 private transient StaticState staticstate; |
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21 |
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22 /** |
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23 * Get a list containing the one and only State. |
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24 * @param context ignored. |
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25 * @return list with one and only state. |
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26 */ |
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27 @Override |
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28 protected List<State> getStates(Object context) { |
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29 ArrayList<State> states = new ArrayList<State>(); |
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30 states.add(getStaticState()); |
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31 return states; |
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32 } |
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33 |
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34 |
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35 /** |
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36 * Get the "current" state. |
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37 * @param cc ignored. |
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38 * @return always the set static state. |
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39 */ |
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40 @Override |
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41 public State getCurrentState(Object cc) { |
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42 return getStaticState(); |
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43 } |
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44 |
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45 /** |
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46 * A child class must override this method to set its static state |
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47 */ |
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48 protected abstract void initStaticState(); |
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49 |
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50 protected void setStaticState(StaticState state) { |
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51 this.staticstate = state; |
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52 } |
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53 |
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54 protected StaticState getStaticState() { |
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55 if (staticstate == null) { |
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56 initStaticState(); |
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57 } |
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58 return staticstate; |
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59 } |
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60 |
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61 /** |
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62 * Get the state. |
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63 * @param context ignored. |
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64 * @param stateID ignored. |
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65 * @return the state. |
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66 */ |
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67 @Override |
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68 protected State getState(Object context, String stateID) { |
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69 return getStaticState(); |
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70 } |
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71 } |