PopulationImpl.java

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/* *********************************************************************** *
 * project: org.matsim.*                                                   *
 *                                                                         *
 * *********************************************************************** *
 *                                                                         *
 * copyright       : (C) 2008 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.population;

import java.util.LinkedHashMap;
import java.util.Map;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.matsim.api.core.v01.Id;
import org.matsim.api.core.v01.population.Person;
import org.matsim.api.core.v01.population.Population;
import org.matsim.api.core.v01.population.PopulationFactory;
import org.matsim.core.scenario.Lockable;
import org.matsim.utils.objectattributes.attributable.Attributes;
import org.matsim.utils.objectattributes.attributable.AttributesImpl;

/* deliberately package */ class PopulationImpl implements Population, Lockable {
    private static final Logger log = LogManager.getLogger(PopulationImpl.class);

    private final Attributes attributes = new AttributesImpl();
    private String name;
    private Map<Id<Person>, Person> persons = new LinkedHashMap<>();
    private final PopulationFactory populationFactory;
    private long counter = 0;
    private long nextMsg = 1;

    PopulationImpl(PopulationFactory populationFactory2) {
        this.populationFactory = populationFactory2 ;
    }

    @Override
    public void addPerson(final Person p) {
        // validation
        if (this.getPersons().containsKey(p.getId())) {
            throw new IllegalArgumentException("Person with id = " + p.getId() + " already exists.");
        }
        if ( p instanceof Lockable ) {
            ((Lockable) p).setLocked();
        }

        // show counter
        this.counter++;
        if (this.counter % this.nextMsg == 0) {
            this.nextMsg *= 4;
            printPlansCount();
        }

        this.persons.put( p.getId(), p ) ;
    }

    @Override
    public Person removePerson(Id<Person> personId) {
        return this.persons.remove(personId) ;
    }

    @Override
    public final Map<Id<Person>, ? extends Person> getPersons() {
        return persons ;
    }

    @Override
    public PopulationFactory getFactory() {
        return this.populationFactory;
    }

    @Override
    public String getName() {
        return this.name ;
    }

    @Override
    public void setName(String name) {
        this.name = name ;
    }

    @Override
    public final void setLocked() {
        for ( Person person : this.persons.values() ) {
            if ( person instanceof Lockable ) {
                ((Lockable)person).setLocked() ;
            }
        }
    }

    public void printPlansCount() {
        log.info(" person # " + this.counter);
    }

    @Override
    public Attributes getAttributes() {
        return attributes;
    }
}