Altruistic.java

package org.opentrafficsim.core.gtu.lane.changing;

import org.opentrafficsim.core.gtu.following.AccelerationStep;
import org.opentrafficsim.core.unit.AccelerationUnit;
import org.opentrafficsim.core.value.vdouble.scalar.DoubleScalar;

/**
 * The altruistic driver changes lane when that is beneficial for all drivers.
 * <p>
 * Copyright (c) 2013-2014 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights
 * reserved. <br>
 * BSD-style license. See <a href="http://opentrafficsim.org/node/13">OpenTrafficSim License</a>.
 * <p>
 * @version 5 nov. 2014 <br>
 * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
 */
public class Altruistic extends AbstractLaneChangeModel
{

    /** {@inheritDoc} */
    @Override
    public final DoubleScalar.Abs<AccelerationUnit> applyDriverPersonality(final AccelerationStep[] accelerationSteps)
    {
        // The result gets the unit of the acceleration of element 0 of accelerationSteps.
        AccelerationUnit unit = accelerationSteps[0].getAcceleration().getUnit();
        return new DoubleScalar.Abs<AccelerationUnit>(accelerationSteps[0].getAcceleration().getInUnit()
                + accelerationSteps[1].getAcceleration().getInUnit(unit), unit);
    }

}