Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/AbstractStaticStateArtifact.java @ 3936:4e1b3b4ef132
Add new Artifacts and State for displaying discharge curves at a gauge
flys-artifacts/trunk@5636 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Bjoern Ricks <bjoern.ricks@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 08:44:49 +0000 |
| parents | |
| children | 44d27b8bb0bc 1755a1bfe5ce |
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| 3935:6cdd994ee8a4 | 3936:4e1b3b4ef132 |
|---|---|
| 1 package de.intevation.flys.artifacts; | |
| 2 | |
| 3 import java.util.ArrayList; | |
| 4 import java.util.List; | |
| 5 | |
| 6 import de.intevation.artifactdatabase.state.State; | |
| 7 | |
| 8 /** | |
| 9 * A abstract baseclass for Artifacts which are using only one static state. | |
| 10 * | |
| 11 * This class is intended to be used without the config/stateengine to generate | |
| 12 * the static state. | |
| 13 * | |
| 14 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> | |
| 15 */ | |
| 16 public abstract class AbstractStaticStateArtifact extends StaticFLYSArtifact { | |
| 17 | |
| 18 private transient State staticstate; | |
| 19 | |
| 20 /** | |
| 21 * Get a list containing the one and only State. | |
| 22 * @param context ignored. | |
| 23 * @return list with one and only state. | |
| 24 */ | |
| 25 @Override | |
| 26 protected List<State> getStates(Object context) { | |
| 27 ArrayList<State> states = new ArrayList<State>(); | |
| 28 states.add(getStaticState()); | |
| 29 return states; | |
| 30 } | |
| 31 | |
| 32 | |
| 33 /** | |
| 34 * Get the "current" state. | |
| 35 * @param cc ignored. | |
| 36 * @return always the set static state. | |
| 37 */ | |
| 38 @Override | |
| 39 public State getCurrentState(Object cc) { | |
| 40 return getStaticState(); | |
| 41 } | |
| 42 | |
| 43 /** | |
| 44 * A child class must override this method to set its static state | |
| 45 */ | |
| 46 protected abstract void initStaticState(); | |
| 47 | |
| 48 protected void setStaticState(State state) { | |
| 49 this.staticstate = state; | |
| 50 } | |
| 51 | |
| 52 protected State getStaticState() { | |
| 53 if (staticstate == null) { | |
| 54 initStaticState(); | |
| 55 } | |
| 56 return staticstate; | |
| 57 } | |
| 58 | |
| 59 /** | |
| 60 * Get the state. | |
| 61 * @param context ignored. | |
| 62 * @param stateID ignored. | |
| 63 * @return the state. | |
| 64 */ | |
| 65 @Override | |
| 66 protected State getState(Object context, String stateID) { | |
| 67 return getStaticState(); | |
| 68 } | |
| 69 } |