Java tutorial
/* *********************************************************************** * * project: org.matsim.* * * * *********************************************************************** * * * * copyright : (C) 2014 by the members listed in the COPYING, * * LICENSE and WARRANTY file. * * email : info at matsim dot org * * * * *********************************************************************** * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * See also COPYING, LICENSE and WARRANTY file * * * * *********************************************************************** */ package playground.johannes.coopsim.analysis; import java.io.IOException; import java.util.Map; import java.util.Set; import org.apache.commons.math.stat.descriptive.DescriptiveStatistics; import org.matsim.api.core.v01.population.Leg; import playground.johannes.coopsim.pysical.Trajectory; import playground.johannes.sna.math.DummyDiscretizer; /** * @author johannes * */ public class LegFrequencyTask extends TrajectoryAnalyzerTask { public static final String KEY = "leg.n"; @Override public void analyze(Set<Trajectory> trajectories, Map<String, DescriptiveStatistics> results) { Set<String> modes = TrajectoryUtils.getModes(trajectories); modes.add(null); for (String mode : modes) { PlanElementCondition<Leg> condition; if (mode != null) { condition = new LegModeCondition(mode); } else { condition = DefaultCondition.getInstance(); } DescriptiveStatistics stats = new DescriptiveStatistics(); for (Trajectory t : trajectories) { int cnt = 0; for (int i = 1; i < t.getElements().size(); i += 2) { if (condition.test(t, (Leg) t.getElements().get(i), i)) { cnt++; } } stats.addValue(cnt); } String key; if (mode == null) key = String.format("%s.all", KEY, mode); else key = String.format("%s.%s", KEY, mode); results.put(key, stats); if (outputDirectoryNotNull()) { try { writeHistograms(stats, DummyDiscretizer.getInstance(), key, false); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } }