bjoern@3936: package de.intevation.flys.artifacts;
bjoern@3936: 
bjoern@3936: import java.util.ArrayList;
bjoern@3936: import java.util.List;
bjoern@3936: 
bjoern@3936: import de.intevation.artifactdatabase.state.State;
bjoern@3936: 
bjoern@3936: /**
bjoern@3936:  * A abstract baseclass for Artifacts which are using only one static state.
bjoern@3936:  *
bjoern@3936:  * This class is intended to be used without the config/stateengine to generate
bjoern@3936:  * the static state.
bjoern@3936:  *
bjoern@3936:  * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
bjoern@3936:  */
bjoern@3936: public abstract class AbstractStaticStateArtifact extends StaticFLYSArtifact {
bjoern@3936: 
bjoern@3936:     private transient State staticstate;
bjoern@3936: 
bjoern@3936:     /**
bjoern@3936:      * Get a list containing the one and only State.
bjoern@3936:      * @param  context ignored.
bjoern@3936:      * @return list with one and only state.
bjoern@3936:      */
bjoern@3936:     @Override
bjoern@3936:     protected List<State> getStates(Object context) {
bjoern@3936:         ArrayList<State> states = new ArrayList<State>();
bjoern@3936:         states.add(getStaticState());
bjoern@3936:         return states;
bjoern@3936:     }
bjoern@3936: 
bjoern@3936: 
bjoern@3936:     /**
bjoern@3936:      * Get the "current" state.
bjoern@3936:      * @param cc ignored.
bjoern@3936:      * @return always the set static state.
bjoern@3936:      */
bjoern@3936:     @Override
bjoern@3936:     public State getCurrentState(Object cc) {
bjoern@3936:         return getStaticState();
bjoern@3936:     }
bjoern@3936: 
bjoern@3936:     /**
bjoern@3936:      * A child class must override this method to set its static state
bjoern@3936:      */
bjoern@3936:     protected abstract void initStaticState();
bjoern@3936: 
bjoern@3936:     protected void setStaticState(State state) {
bjoern@3936:         this.staticstate = state;
bjoern@3936:     }
bjoern@3936: 
bjoern@3936:     protected State getStaticState() {
bjoern@3936:         if (staticstate == null) {
bjoern@3936:             initStaticState();
bjoern@3936:         }
bjoern@3936:         return staticstate;
bjoern@3936:     }
bjoern@3936: 
bjoern@3936:     /**
bjoern@3936:      * Get the state.
bjoern@3936:      * @param context ignored.
bjoern@3936:      * @param stateID ignored.
bjoern@3936:      * @return the state.
bjoern@3936:      */
bjoern@3936:     @Override
bjoern@3936:     protected State getState(Object context, String stateID) {
bjoern@3936:         return getStaticState();
bjoern@3936:     }
bjoern@3936: }