rinde.sim.pdptw.gendreau06.GendreauProblemClass Maven / Gradle / Ivy
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package rinde.sim.pdptw.gendreau06;
import rinde.sim.pdptw.common.DynamicPDPTWScenario.ProblemClass;
/**
* This is an enum containing the three problem classes used in the Gendreau06
* benchmark.
* @author Rinde van Lon
*/
public enum GendreauProblemClass implements ProblemClass {
/**
* Length of day: 240 minutes, frequency: 24 requests per hour, vehicles: 10.
*/
SHORT_LOW_FREQ(240L, 24L, 10),
/**
* Length of day: 240 minutes, frequency: 33 requests per hour, vehicles: 10.
*/
SHORT_HIGH_FREQ(240L, 33L, 10),
/**
* Length of day: 450 minutes, frequency: 24 requests per hour, vehicles: 20.
*/
LONG_LOW_FREQ(450L, 24L, 20);
/**
* The (postfix) file identifier of this class. This can be used to filter for
* this problem class in a set of files.
*/
public final String fileId;
/**
* The length of the day in minutes.
*/
public final long duration;
/**
* The frequency of new incoming requests in requests per hour.
*/
public final long frequency;
/**
* The total number of vehicles available during the entire day.
*/
public final int vehicles;
private GendreauProblemClass(long d, long f, int v) {
duration = d;
frequency = f;
vehicles = v;
fileId = "_" + duration + "_" + frequency;
}
@Override
public String getId() {
return fileId;
}
/**
* Look up the problem class instance based on the two identifying parameters.
* @param minutes
* @param frequency
* @return
*/
public static GendreauProblemClass with(long minutes, long frequency) {
for (final GendreauProblemClass gpc : values()) {
if (gpc.duration == minutes && gpc.frequency == frequency) {
return gpc;
}
}
throw new IllegalArgumentException(
"There is no problem class with: minutes: " + minutes + ", frequency: "
+ frequency);
}
}