org.opentripplanner.routing.algorithm.raptoradapter.transit.cost.FactorStrategy Maven / Gradle / Ivy

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The OpenTripPlanner multimodal journey planning system

There is a newer version: 2.5.0

package org.opentripplanner.routing.algorithm.raptoradapter.transit.cost;


/**
 * This interface allow us to implement different strategies for calculating the transit
 * cost, or concrete provide a transit-cost-reluctance by index.
 * 
 * The class and methods are {@code final} to help the JIT compiler optimize the use of this class.
 */
interface FactorStrategy {

    /**
     * Return the factor for the given index.
     */
    int factor(int index);

    /**
     * The minimum factor is used to calculate heuristics. It need to be the smallest
     * factor in use (across all indexes).
     */
    int minFactor();
}