teichmann@5831: package org.dive4elements.river.artifacts.states.sq;
rrenkert@5501: 
teichmann@5831: import org.dive4elements.artifactdatabase.state.DefaultFacet;
teichmann@5831: import org.dive4elements.artifactdatabase.state.Facet;
teichmann@5831: import org.dive4elements.artifacts.Artifact;
teichmann@5831: import org.dive4elements.artifacts.CallContext;
teichmann@5831: import org.dive4elements.river.artifacts.math.fitting.Function;
teichmann@5831: import org.dive4elements.river.artifacts.math.fitting.FunctionFactory;
teichmann@5831: import org.dive4elements.river.artifacts.model.sq.SQFunction;
teichmann@5831: import org.dive4elements.river.artifacts.model.sq.StaticSQRelation;
rrenkert@5501: 
rrenkert@5501: 
rrenkert@5501: public class StaticSQRelationFacet
rrenkert@5501: extends DefaultFacet
rrenkert@5501: implements Facet
rrenkert@5501: {
rrenkert@5501:     public static final String FUNCTION = "sq-pow";
rrenkert@5501: 
rrenkert@5501:     private StaticSQRelation relation;
rrenkert@5501: 
rrenkert@5501: 
rrenkert@5501:     public StaticSQRelationFacet(
rrenkert@5501:         int ndx,
rrenkert@5501:         String name,
rrenkert@5501:         String description,
rrenkert@5501:         StaticSQRelation relation) {
rrenkert@5501:         super(ndx, name, description);
rrenkert@5501:         this.relation = relation;
rrenkert@5501:     }
rrenkert@5501: 
rrenkert@5501:     @Override
rrenkert@5501:     public Object getData(Artifact artifact, CallContext context) {
rrenkert@5501:         double qmax = relation.getQmax();
rrenkert@5501:         double[] coeffs = new double[] {relation.getA(), relation.getB()};
rrenkert@5501:         Function func = FunctionFactory.getInstance().getFunction(FUNCTION);
teichmann@5831:         org.dive4elements.river.artifacts.math.Function function =
rrenkert@5501:             func.instantiate(coeffs);
rrenkert@5501:         SQFunction sqf = new SQFunction(function, 0, qmax);
rrenkert@5501:         return sqf;
rrenkert@5501:     }
rrenkert@5501: 
rrenkert@5501:     @Override
rrenkert@5501:     public Facet deepCopy() {
rrenkert@5501:         StaticSQRelationFacet copy =
rrenkert@5501:             new StaticSQRelationFacet(index, name, description, relation);
rrenkert@5501:         copy.set(this);
rrenkert@5501:         return copy;
rrenkert@5501:     }
rrenkert@5501: }