?? eventlistimpl.java
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import java.util.Vector;public class EventListImpl implements EventList{ private Vector data; public EventListImpl() { data = new Vector(); } public boolean add(Event e) { data.addElement(e); return true; } public Event removeNext() { if (data.isEmpty()) { return null; } int firstIndex = 0; double first = ((Event)data.elementAt(firstIndex)).getTime(); for (int i = 0; i < data.size(); i++) { if (((Event)data.elementAt(i)).getTime() < first) { firstIndex = i; } } Event next = (Event)data.elementAt(firstIndex); data.removeElement(next); return next; } public String toString() { return data.toString(); } public double getLastPacketTime(int entityFrom, int entityTo) { double time = 0.0; for (int i = 0; i < data.size(); i++) { if ((((Event)(data.elementAt(i))).getType() == NetworkSimulator.FROMLAYER2) && (((Event)(data.elementAt(i))).getEntity() == entityTo) && (((Event)(data.elementAt(i))).getPacket().getSource() == entityFrom) ) { time = ((Event)(data.elementAt(i))).getTime(); } } return time; }}?? 快捷鍵說明
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