This commit is contained in:
Imbus 2023-09-29 02:35:44 +02:00
parent 2189ba86c4
commit 5868aa977d
4 changed files with 40 additions and 22 deletions

View file

@ -1,7 +1,16 @@
package simulation;
class Event {
// Constructor, creates an event of a certain type that should be put in the event list at a certain time.
Event(int type, double timeOfEvent) {
eventType = type;
eventTime = timeOfEvent;
}
// Empty constructor (used by the event list constructor)
Event() { }
public double eventTime;
public int eventType;
public Event next;
public Event next = null;
}

View file

@ -1,37 +1,43 @@
package simulation;
public class EventList {
private Event list, last;
private Event head, tail;
EventList() {
list = new Event();
last = new Event();
list.next = last;
head = new Event();
tail = new Event();
head.next = tail;
}
public void InsertEvent(int type, double TimeOfEvent) {
Event dummy, predummy;
predummy = this.list;
dummy = this.list.next;
Event temp, pretemp;
Event newEvent = new Event();
newEvent.eventType = type;
newEvent.eventTime = TimeOfEvent;
pretemp = this.head;
temp = this.head.next;
while ((dummy.eventTime < newEvent.eventTime) && (dummy != last)) {
predummy = dummy;
dummy = dummy.next;
Event newEvent = new Event(type, TimeOfEvent);
// Find the right place in the list using a sliding window
while ((temp.eventTime < newEvent.eventTime) && (temp != tail)) {
pretemp = temp;
temp = temp.next;
}
predummy.next = newEvent;
newEvent.next = dummy;
pretemp.next = newEvent;
newEvent.next = temp;
}
public Event FetchEvent() {
Event dummy = list.next;
list.next = dummy.next;
dummy.next = null;
return dummy;
Event temp = head.next;
head.next = temp.next;
temp.next = null;
return temp;
}
public Event popFront() {
Event temp = head.next;
head.next = temp.next;
temp.next = null;
return temp;
}
}

View file

@ -1,6 +1,7 @@
package simulation;
// This class is only created to be able to store the global time.
public class GlobalSimulation{
public static final int ARRIVAL = 1, READY = 2, MEASURE = 3;
public static double time = 0;
}
}

View file

@ -12,11 +12,13 @@ public class MainSimulation extends GlobalSimulation {
myEventList.InsertEvent(ARRIVAL, 0);
myEventList.InsertEvent(MEASURE, 5);
while (MainSimulation.time < 50000) {
actEvent = myEventList.FetchEvent();
MainSimulation.time = actEvent.eventTime;
actState.TreatEvent(actEvent);
}
System.out.println("Mean number of customers: " + (double) actState.accumulated / actState.noMeasurements);
System.out.println("Number of measurements done: " + actState.noMeasurements);
}