EventsManagerModule.java

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/* *********************************************************************** *
 * project: org.matsim.*
 * EventsManagerModule.java
 *                                                                         *
 * *********************************************************************** *
 *                                                                         *
 * copyright       : (C) 2019 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 org.matsim.core.events;

import org.apache.commons.lang3.BooleanUtils;
import org.matsim.core.api.experimental.events.EventsManager;
import org.matsim.core.controler.AbstractModule;
import org.matsim.core.events.handler.EventHandler;

import jakarta.inject.Inject;
import jakarta.inject.Singleton;
import java.util.Set;

public final class EventsManagerModule extends AbstractModule {

    @Override
    public void install() {
        if (BooleanUtils.isTrue(getConfig().eventsManager().getOneThreadPerHandler())) {
            bindEventsManager().to(ParallelEventsManager.class).in(Singleton.class);
        } else if (getConfig().eventsManager().getNumberOfThreads() != null) {
            if (BooleanUtils.isTrue(getConfig().eventsManager().getSynchronizeOnSimSteps())) {
                bindEventsManager().to(SimStepParallelEventsManagerImpl.class).in(Singleton.class);
            } else {
                bindEventsManager().to(ParallelEventsManagerImpl.class).in(Singleton.class);
            }
        } else {
            bindEventsManager().to(SimStepParallelEventsManagerImpl.class).in(Singleton.class);
        }
        bind(EventHandlerRegistrator.class).asEagerSingleton();
    }

    public static class EventHandlerRegistrator {
        @Inject
        EventHandlerRegistrator(EventsManager eventsManager, Set<EventHandler> eventHandlersDeclaredByModules) {
            for (EventHandler eventHandler : eventHandlersDeclaredByModules) {
                eventsManager.addHandler(eventHandler);
            }
        }
    }
}