// earliest job?
public static int getIndexOfNextJob(List<PrioRuleTarget> additionalJobs) {
PrioRuleTarget nextJob = additionalJobs.get(0);
int nextJobIndex = 0;
for (int i = 1; i < additionalJobs.size(); i++) {
PrioRuleTarget job = additionalJobs.get(i);
if (job.getCurrMachine().againIdle() < nextJob.getCurrMachine().againIdle()) {
nextJobIndex = i;
nextJob = job;
}
}
return nextJobIndex;
}
public static double ift(PrioRuleTarget j) {
WorkStation machine = j.getCurrMachine();
double PT = j.getCurrentOperation().procTime;
double additionalFT = 0.0;
for (int i = 0; i < machine.queue.size(); i++) {
PrioRuleTarget j2 = machine.queue.get(i);
if (!j2.isFuture()) {
double PTDifferenz = PT - j2.getCurrentOperation().procTime;
if (PTDifferenz > 0) additionalFT += PTDifferenz;
}
}
return additionalFT;
}
public static double utilisedIdleTime(PrioRuleTarget job) {
double currPT = job.getCurrentOperation().procTime;
int nextTask = job.getTaskNumber() + 1;
if (nextTask >= job.numOps()) return 0;
double nextPT = job.getOps()[nextTask].procTime;
double winq = getExtendedWINQ(job);
double earliestArrival = getEarliestArrivalAfter(job);
if (winq < currPT) {
if (currPT + nextPT <= earliestArrival) return nextPT;
else return earliestArrival - currPT;
} else if (winq < currPT + nextPT) {
if (currPT + nextPT <= earliestArrival) return nextPT + (currPT - winq);
else return earliestArrival - winq;
} else {
return 0;
}
}
public static double getExtendedWINQ(PrioRuleTarget job) {
int nextTask = job.getTaskNumber() + 1;
assert (nextTask < job.numOps());
WorkStation mNext = job.getOps()[nextTask].machine;
double winq = mNext.workContent(false);
List<PrioRuleTarget> additionalJobs =
findLookAheadJobs(mNext, job.getCurrentOperation().procTime + 1);
while (additionalJobs.size() > 0) {
int index = getIndexOfNextJob(additionalJobs);
PrioRuleTarget nextJob = additionalJobs.remove(index);
double jobArrivingIn = nextJob.getCurrMachine().againIdleIn();
if (jobArrivingIn <= winq) winq += nextJob.getCurrentOperation().procTime;
else winq = jobArrivingIn + nextJob.getCurrentOperation().procTime;
}
return winq;
}
public static double getEarliestArrivalAfter(PrioRuleTarget job) {
int nextTask = job.getTaskNumber() + 1;
assert (nextTask < job.numOps());
WorkStation mNext = job.getOps()[nextTask].machine;
List<PrioRuleTarget> additionalJobs =
findLookAheadJobs(mNext, Double.MAX_VALUE - job.getShop().simTime());
double earliestArrival = Double.MAX_VALUE;
for (int i = 0; i < additionalJobs.size(); i++) {
PrioRuleTarget lookaheadJob = additionalJobs.get(i);
double arrivingIn = lookaheadJob.getCurrMachine().againIdleIn();
if (arrivingIn > job.getCurrentOperation().procTime && arrivingIn < earliestArrival)
earliestArrival = arrivingIn;
}
return earliestArrival;
}
@Override
public double calcPrio(PrioRuleTarget job) {
return -job.getCurrentOperation().procTime;
}
@Override
public double calcPrio(PrioRuleTarget j) {
return -getOwner()
.getSetupMatrix()[getOwner().currMachine.setupState][j.getCurrentOperation().setupState];
}
@Override
public double calcPrio(PrioRuleTarget job) {
return -Math.max(job.currProcTime(), job.getCurrentOperationDueDate() - job.getShop().simTime())
/ job.getWeight();
}