dive4elements/river: artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixRealizingCalculationExtended.java comparison

Implemented calculation of 'year' for fixations

comparison

equal deleted inserted replaced

-:ee5ce13016ed
+:7565d7dce850
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */
 package org.dive4elements.river.artifacts.model.fixings;
+import java.util.Calendar;
 import java.util.Date;
 import java.util.List;
+import java.util.SortedSet;
+import java.util.TreeSet;
 import org.dive4elements.river.artifacts.access.FixRealizingAccess;
 import org.dive4elements.river.artifacts.model.FixingsOverview;
 import org.dive4elements.river.artifacts.model.FixingsOverviewFactory;
 public FixRealizingCalculationExtended(final FixRealizingAccess fixAccess) {
 super(fixAccess);
 }
-// FIXME: implement
-// FIXME: check if this breaks serialization
 public int determineMeanYear() {
 final FixingsOverview overview = FixingsOverviewFactory.getOverview(this.river);
 final ColumnCache cc = new ColumnCache();
-// FIXME: die Hälfte der zeitlichen Differenz zwischen der ältesten und neusten WSPL
+final SortedSet<Integer> years = new TreeSet<>();
+final Calendar cal = Calendar.getInstance();
 final List<Column> columns = getEventColumns(overview, cc);
 for (final Column column : columns) {
 final Date date = column.getDate();
+cal.setTime(date);
+final int year = cal.get(Calendar.YEAR);
+years.add(year);
 }
-return 1999;
+final Integer first = years.first();
+final Integer last = years.last();
+if (first == null || last == null)
+return -1;
+return (first + last) / 2;
 }
 }

Mercurial > dive4elements > river