package org.lucci.madhoc.network.monitor.measure;

import org.lucci.madhoc.network.util.Graph;
import org.lucci.madhoc.simulation.measure.NaturalNumberSensor;
import org.lucci.madhoc.simulation.measure.Unit;
import org.lucci.madhoc.simulation.projection.Projection;

/*
 * Created on Jul 7, 2004
 */

/**
 * @author luc.hogie
 */
public class RatioOfRedundantConnections extends NaturalNumberSensor
{

    /* (non-Javadoc)
     * @see org.lucci.madhoc.simulation.Measure#getName()
     */
    public String getName()
    {
        return "ratio of redundant connections";
    }

    /* (non-Javadoc)
     * @see org.lucci.madhoc.simulation.measure.NumericalMeasure#getUnit()
     */
    public Unit getUnit()
    {
        return null;
    }

    /* (non-Javadoc)
     * @see org.lucci.madhoc.simulation.measure.Measure#takeNewValue(org.lucci.madhoc.simulation.Simulation)
     */
    public Double takeNewDoubleValue(Projection projection)
    {
        return Graph.getRedundantConnections(projection.getNetwork()).size() / (double) projection.getNetwork().getConnections().size();
    }
}