felix@1151: package de.intevation.flys.artifacts.states;
felix@1151: 
felix@1151: import java.util.List;
felix@1151: 
felix@1151: import org.apache.log4j.Logger;
felix@1151: 
felix@1151: import de.intevation.artifacts.CallContext;
felix@1151: 
felix@1151: import de.intevation.artifactdatabase.state.Facet;
felix@1151: 
felix@1151: import de.intevation.flys.artifacts.FLYSArtifact;
felix@1151: import de.intevation.flys.artifacts.WINFOArtifact;
felix@1151: 
felix@1151: import de.intevation.flys.artifacts.math.WKmsOperation;
felix@1151: 
felix@1151: import de.intevation.flys.artifacts.model.DurationCurveFacet;
felix@1151: import de.intevation.flys.artifacts.model.FacetTypes;
felix@1151: import de.intevation.flys.artifacts.model.WKms;
felix@1151: import de.intevation.flys.artifacts.model.WQKms;
felix@1151: import de.intevation.flys.artifacts.model.WQDay;
felix@1151: 
felix@1151: import de.intevation.flys.artifacts.model.DataFacet;
felix@1151: import de.intevation.flys.artifacts.model.ReportFacet;
felix@1151: import de.intevation.flys.artifacts.model.CalculationResult;
felix@1151: 
felix@1151: import de.intevation.flys.artifacts.resources.Resources;
felix@1151: 
felix@1151: import de.intevation.flys.utils.FLYSUtils;
felix@1151: 
felix@1151: public class WDifferencesState
felix@1151: extends      DefaultState
felix@1151: implements   FacetTypes
felix@1151: {
felix@1151:     /** The logger that is used in this state. */
felix@1151:     private static Logger logger = Logger.getLogger(WDifferencesState.class);
felix@1151: 
felix@1151:     public WDifferencesState() {
felix@1151:     }
felix@1151: 
felix@1151: 
felix@1151:     /** Specify to display a datacage_twin_panel. */
felix@1151:     @Override
felix@1151:     protected String getUIProvider() {
felix@1151:         return "datacage_twin_panel";
felix@1151:     }
felix@1151: 
felix@1151: 
felix@1151:     @Override
felix@1151:     public Object computeAdvance(
felix@1151:         FLYSArtifact artifact,
felix@1151:         String       hash,
felix@1151:         CallContext  context,
felix@1151:         List<Facet>  facets,
felix@1151:         Object       old
felix@1151:     ) {
felix@1151:         WINFOArtifact winfo = (WINFOArtifact)artifact;
felix@1151: 
felix@1151:         // Get a data item (uuids) or parameterization of the respective
felix@1151:         // artifacts.
felix@1151:         // TODO Fix, choose artifacts/parameterization dynamically.
felix@1151:         WINFOArtifact flys1 = (WINFOArtifact) FLYSUtils.getArtifact(
felix@1151:             //"a110a16d-d155-4115-ab0d-c4c61101c9cb", //Collection
felix@1151:             "a0ec533f-b05b-4dcd-9db3-7850686f90a2",
felix@1151:             context);
felix@1151:         WINFOArtifact flys2 = (WINFOArtifact) FLYSUtils.getArtifact(
felix@1151:             //"8ebb696d-771a-4540-bd18-15e19744a6e2", //Collection
felix@1151:             "ce5a2c4e-3f9c-4c4d-a35c-109dd8670992",
felix@1151:             context);
felix@1151: 
felix@1151:         if (flys1 == null) {
felix@1151:             logger.warn("One of the artifacts (1) for diff calculation could not be loaded");
felix@1151:         }
felix@1151:         if (flys2 == null) {
felix@1151:             logger.warn("One of the artifacts (2) for diff calculation could not be loaded");
felix@1151:         }
felix@1151:         WKms wkms = null;
felix@1151: 
felix@1151:         if (flys1 != null && flys2 != null) {
felix@1151:             WQKms[] minuend = (WQKms[]) flys1.getWaterlevelData().getData();
felix@1151:             WQKms[] subtrahend = (WQKms[]) flys2.getWaterlevelData().getData();
felix@1151:             wkms = WKmsOperation.SUBTRACTION.operate(minuend[0], subtrahend[0]);
felix@1151:             logger.warn("Did a WKMSSubtraction");
felix@1151:         }
felix@1151: 
felix@1151:         if (facets != null) {
felix@1151:             // TODO: pass computetype and state id.
felix@1151:             //, ComputeType.ADVANCE, getID(), hash));
felix@1151:             facets.add(new DataFacet(W_DIFFERENCES, "wdiff data"));
felix@1151:         }
felix@1151:         else {
felix@1151:             logger.debug("Not adding facets in WDifferencesState.");
felix@1151:         }
felix@1151: 
felix@1151:         return wkms;
felix@1151:     }
felix@1151: }
felix@1151: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :