add run class for single mode scenario

src/main/java/org/matsim/run/LausitzSingleModeScenario.java

@@ -0,0 +1,98 @@
+package org.matsim.run;
+
+import com.google.common.collect.Lists;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.matsim.api.core.v01.Scenario;
+import org.matsim.api.core.v01.TransportMode;
+import org.matsim.api.core.v01.population.*;
+import org.matsim.core.config.Config;
+import org.matsim.core.config.groups.ReplanningConfigGroup;
+import org.matsim.core.controler.Controler;
+import org.matsim.core.population.algorithms.TripsToLegsAlgorithm;
+import org.matsim.core.router.RoutingModeMainModeIdentifier;
+import picocli.CommandLine;
+
+import javax.annotation.Nullable;
+import java.util.Collection;
+
+/**
+ * Lausitz scenario including the simulation of 1 single transport mode.
+ * All legs are changed to --transport-mode and mode choice is switched off.
+ * All necessary configs will be made in this class.
+ */
+public class LausitzSingleModeScenario extends LausitzScenario {
+	Logger log = LogManager.getLogger(LausitzSingleModeScenario.class);
+
+	private final LausitzScenario baseScenario = new LausitzScenario(sample, emissions);
+
+	@CommandLine.Option(names = "--transport-mode", description = "Transport mode to which all legs should be changed.", defaultValue = TransportMode.car)
+	private String mode;
+
+	public LausitzSingleModeScenario(@Nullable Config config) {
+		super(config);
+	}
+
+	public LausitzSingleModeScenario(@Nullable String args) {
+		super(args);
+	}
+
+	public LausitzSingleModeScenario() {
+		super(String.format("input/v%s/lausitz-v%s-10pct.config.xml", LausitzScenario.VERSION, LausitzScenario.VERSION));
+	}
+
+	@Nullable
+	@Override
+	protected Config prepareConfig(Config config) {
+		//		apply all config changes from base scenario class
+		baseScenario.prepareConfig(config);
+
+		config.subtourModeChoice().setModes(new String[0]);
+
+//		remove smc strategy, only one mode for this scenario
+		Collection<ReplanningConfigGroup.StrategySettings> settings = config.replanning().getStrategySettings();
+		config.replanning().clearStrategySettings();
+
+		settings.stream()
+			.filter(setting -> !setting.getStrategyName().equals("SubtourModeChoice"))
+			.forEach(setting -> config.replanning().addStrategySettings(setting));
+
+		return config;
+	}
+
+	@Override
+	protected void prepareScenario(Scenario scenario) {
+		//		apply all scenario changes from base scenario class
+		baseScenario.prepareScenario(scenario);
+
+//		TODO: replace code segment that selects, cleans routes and converts trips 2 legs with call of CleanPopulation PR3496
+		TripsToLegsAlgorithm trips2Legs = new TripsToLegsAlgorithm(new RoutingModeMainModeIdentifier());
+
+		for (Person person : scenario.getPopulation().getPersons().values()) {
+			Plan selected = person.getSelectedPlan();
+			for (Plan plan : Lists.newArrayList(person.getPlans())) {
+				if (plan != selected)
+					person.removePlan(plan);
+			}
+
+			for (Plan plan : person.getPlans()) {
+				trips2Legs.run(plan);
+
+				for (PlanElement el : plan.getPlanElements()) {
+					if (el instanceof Leg leg) {
+						leg.setRoute(null);
+						leg.setMode(mode);
+					}
+				}
+			}
+		}
+		log.info("For all agents: Unselected plans have been removed. Trips were converted to legs. Routes have been removed." +
+			" For every leg, the mode was changed to {}", mode);
+	}
+
+	@Override
+	protected void prepareControler(Controler controler) {
+		//		apply all controller changes from base scenario class
+		baseScenario.prepareControler(controler);
+	}
+}

src/main/java/org/matsim/run/RunLausitzSingleModeScenario.java

@@ -0,0 +1,17 @@
+package org.matsim.run;
+
+import org.matsim.application.MATSimApplication;
+
+/**
+ * Run the Lausitz single mode scenario policy case.
+ */
+public final class RunLausitzSingleModeScenario {
+
+	private RunLausitzSingleModeScenario() {
+	}
+
+	public static void main(String[] args) {
+		MATSimApplication.execute(LausitzSingleModeScenario.class, args);
+	}
+
+}