--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/collision/CollisionCalcProcessor.java	Tue Jul 03 17:00:48 2018 +0200
@@ -0,0 +1,89 @@
+/** 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.collision;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.artifacts.common.AbstractCalculationResult;
+import org.dive4elements.river.artifacts.resources.Resources;
+import org.dive4elements.river.artifacts.sinfo.common.AbstractSInfoProcessor;
+import org.dive4elements.river.artifacts.sinfo.common.SInfoResultType;
+import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
+import org.dive4elements.river.exports.DiagramGenerator;
+import org.dive4elements.river.themes.ThemeDocument;
+
+/**
+ * Processor to generate the facet and data series of calculated bed collision counts
+ *
+ * @author Matthias Schäfer
+ *
+ */
+public final class CollisionCalcProcessor extends AbstractSInfoProcessor {
+
+    public static final String FACET_COLLISION_CALC_COUNT = "sinfo_facet_collision_calc_count";
+
+    public static final String FACET_COLLISION_CALC_COUNT_2 = "sinfo_facet_collision_calc_count.2";
+
+    public static final String FACET_COLLISION_CALC_COUNT_3 = "sinfo_facet_collision_calc_count.3";
+
+    private static final String[] COLLISION_FACETS = new String[] { FACET_COLLISION_CALC_COUNT, FACET_COLLISION_CALC_COUNT_2, FACET_COLLISION_CALC_COUNT_3 };
+
+    private static final String I18N_AXIS_LABEL = "chart.collision_count.section.yaxis.label";
+
+    private static final String I18N_SERIES_NAME_PATTERN = "collision.count.title";
+
+    private static final Set<String> HANDLED_FACET_TYPES = new HashSet<>();
+
+    static {
+        HANDLED_FACET_TYPES.add(FACET_COLLISION_CALC_COUNT);
+        HANDLED_FACET_TYPES.add(FACET_COLLISION_CALC_COUNT_2);
+        HANDLED_FACET_TYPES.add(FACET_COLLISION_CALC_COUNT_3);
+    }
+
+    public CollisionCalcProcessor() {
+        super(I18N_AXIS_LABEL, HANDLED_FACET_TYPES);
+    }
+
+    @Override
+    protected String generateSeries(final DiagramGenerator generator, final ArtifactAndFacet bundle, final ThemeDocument theme, final boolean visible) {
+
+        final CollisionCalcFacet facet = (CollisionCalcFacet) bundle.getFacet();
+        final int year = facet.getYear();
+
+        final CollisionCalcOverviewResult result = (CollisionCalcOverviewResult) getResult(generator, bundle);
+
+        final double[][] points = result.getStationPointsByYear(SInfoResultType.collisionCount, year);
+
+        return buildSeriesForType(points, generator, bundle, theme, visible, null);
+    }
+
+    public static final Facet createFacet(final CallContext context, final String hash, final String id, final AbstractCalculationResult result,
+            final int resultIndex, final int year, final int themeCount) {
+
+        // REMARK: we are using themeCount as facet index, because we get several lines (with the same facet name) for the same
+        // result index; however name and index are used on client side as unique id.
+
+        final CollisionCalcOverviewResult ccoResult = (CollisionCalcOverviewResult) result;
+        if (ccoResult.getSingleYears() == null) {
+            final String facetDescription = Resources.getMsg(context.getMeta(), I18N_SERIES_NAME_PATTERN, I18N_SERIES_NAME_PATTERN, result.getLabel());
+            return new CollisionCalcFacet(themeCount, resultIndex, -1, FACET_COLLISION_CALC_COUNT, facetDescription, I18N_AXIS_LABEL, ComputeType.ADVANCE, hash,
+                    id);
+        } else {
+            final String facetDescription = Resources.getMsg(context.getMeta(), I18N_SERIES_NAME_PATTERN, I18N_SERIES_NAME_PATTERN, Integer.toString(year));
+            return new CollisionCalcFacet(themeCount, resultIndex, year, COLLISION_FACETS[themeCount % 3], facetDescription, I18N_AXIS_LABEL,
+                    ComputeType.ADVANCE, hash, id);
+        }
+    }
+}
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