Mercurial > dive4elements > river
diff 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> |
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date | Fri, 28 Sep 2012 08:44:49 +0000 |
parents | |
children | 44d27b8bb0bc 1755a1bfe5ce |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/AbstractStaticStateArtifact.java Fri Sep 28 08:44:49 2012 +0000 @@ -0,0 +1,69 @@ +package de.intevation.flys.artifacts; + +import java.util.ArrayList; +import java.util.List; + +import de.intevation.artifactdatabase.state.State; + +/** + * A abstract baseclass for Artifacts which are using only one static state. + * + * This class is intended to be used without the config/stateengine to generate + * the static state. + * + * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> + */ +public abstract class AbstractStaticStateArtifact extends StaticFLYSArtifact { + + private transient State staticstate; + + /** + * Get a list containing the one and only State. + * @param context ignored. + * @return list with one and only state. + */ + @Override + protected List<State> getStates(Object context) { + ArrayList<State> states = new ArrayList<State>(); + states.add(getStaticState()); + return states; + } + + + /** + * Get the "current" state. + * @param cc ignored. + * @return always the set static state. + */ + @Override + public State getCurrentState(Object cc) { + return getStaticState(); + } + + /** + * A child class must override this method to set its static state + */ + protected abstract void initStaticState(); + + protected void setStaticState(State state) { + this.staticstate = state; + } + + protected State getStaticState() { + if (staticstate == null) { + initStaticState(); + } + return staticstate; + } + + /** + * Get the state. + * @param context ignored. + * @param stateID ignored. + * @return the state. + */ + @Override + protected State getState(Object context, String stateID) { + return getStaticState(); + } +}