--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/predefineddepthevol/PredefinedDepthEvolFacet.java	Fri Apr 27 17:41:59 2018 +0200
@@ -0,0 +1,81 @@
+/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
+ * Software engineering by
+ *  Björnsen Beratende Ingenieure GmbH
+ *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
+ *
+ * This file is Free Software under the GNU AGPL (>=v3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out the
+ * documentation coming with Dive4Elements River for details.
+ */
+
+package org.dive4elements.river.artifacts.sinfo.predefineddepthevol;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.artifacts.D4EArtifact;
+import org.dive4elements.river.artifacts.common.GeneralResultType;
+import org.dive4elements.river.artifacts.common.ResultRow;
+import org.dive4elements.river.artifacts.model.BlackboardDataFacet;
+import org.dive4elements.river.artifacts.model.FacetTypes;
+import org.dive4elements.river.artifacts.sinfo.common.SInfoResultType;
+import org.dive4elements.river.model.sinfo.DepthEvolution;
+import org.dive4elements.river.model.sinfo.DepthEvolutionValue;
+
+/**
+ * Facet for a depth evolution value series loaded from the database
+ *
+ * @author Matthias Schäfer
+ */
+public class PredefinedDepthEvolFacet extends BlackboardDataFacet implements FacetTypes {
+
+    private static final long serialVersionUID = -4298111901634067027L;
+
+    public PredefinedDepthEvolFacet(final String name, final String description, final String yAxisLabel) {
+        super(0, name, description);
+
+        this.metaData.put("X", "chart.longitudinal.section.xaxis.label");
+        this.metaData.put("Y", yAxisLabel);
+    }
+
+    /**
+     * Returns the data this facet requires.
+     *
+     * @param artifact
+     *            the owner artifact.
+     * @param context
+     *            the CallContext (ignored).
+     *
+     * @return
+     *         the data as PredefinedDepthEvolQueryCalculationResult
+     */
+    @Override
+    public Object getData(final Artifact artifact, final CallContext context) {
+
+        final PredefinedDepthEvolAccess access = new PredefinedDepthEvolAccess((D4EArtifact) artifact);
+        final DepthEvolution series = DepthEvolution.getSeries(access.getId());
+        final List<DepthEvolutionValue> values = DepthEvolutionValue.getValues(series, access.getFrom(true), access.getTo(true));
+        final Collection<ResultRow> rows = new ArrayList<>();
+        for (final DepthEvolutionValue value : values) {
+            rows.add(ResultRow.create().putValue(GeneralResultType.station, value.getStation()) //
+                    .putValue(SInfoResultType.flowdepthDevelopment, value.getTotalChangeCm()) //
+                    .putValue(SInfoResultType.flowdepthDevelopmentPerYear, value.getPerYearChangeCm()));
+        }
+        return new PredefinedDepthEvolQueryCalculationResult(series.getFilename(), rows);
+    }
+
+    /**
+     * Create a deep copy of this Facet.
+     *
+     * @return a deep copy.
+     */
+    @Override
+    public PredefinedDepthEvolFacet deepCopy() {
+        final PredefinedDepthEvolFacet copy = new PredefinedDepthEvolFacet(this.name, this.description, this.metaData.get("Y"));
+        copy.set(this);
+        return copy;
+    }
+}
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