Rename

app/src/main/java/simulation/Event.java

@@ -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;
 }

app/src/main/java/simulation/EventList.java

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

app/src/main/java/simulation/GlobalSimulation.java

@@ -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;
-}
+}

app/src/main/java/simulation/MainSimulation.java

@@ -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);
 	}