1 package era.mi.logic.timeline;
\r
3 import java.util.PriorityQueue;
\r
6 * Orders Events by the time they are due to be executed. Can execute Events individually.
\r
7 * @author Fabian Stemmler
\r
10 public class Timeline
\r
12 private PriorityQueue<InnerEvent> events;
\r
13 private long currentTime = 0;
\r
15 public Timeline(int initCapacity)
\r
17 events = new PriorityQueue<InnerEvent>(initCapacity, (a, b) -> {
\r
18 long difference = a.getTiming() - b.getTiming();
\r
21 return difference < 0 ? -1 : 1;
\r
25 public boolean hasNext()
\r
27 return !events.isEmpty();
\r
30 public void executeNext()
\r
32 InnerEvent first = events.poll();
\r
33 currentTime = first.getTiming();
\r
37 public void executeAll()
\r
43 public long getSimulationTime()
\r
55 * Adds an Event to the {@link Timeline}
\r
56 * @param function The {@link TimelineEventHandler} that will be executed, when the {@link InnerEvent} occurs on the timeline.
\r
57 * @param relativeTiming The amount of MI ticks in which the {@link InnerEvent} is called, starting from the current time.
\r
59 public void addEvent(TimelineEventHandler function, int relativeTiming)
\r
61 long timing = currentTime + relativeTiming;
\r
62 events.add(new InnerEvent(function, new TimelineEvent(timing), timing));
\r
65 private class InnerEvent
\r
68 private final long timing;
\r
69 private final TimelineEventHandler function;
\r
70 private final TimelineEvent event;
\r
73 * Creates an {@link InnerEvent}
\r
74 * @param function {@link TimelineEventHandler} to be executed when the {@link InnerEvent} occurs
\r
75 * @param timing Point in the MI simulation {@link Timeline}, at which the {@link InnerEvent} is executed;
\r
77 InnerEvent(TimelineEventHandler function, TimelineEvent event, long timing)
\r
79 this.function = function;
\r
81 this.timing = timing;
\r
84 public long getTiming()
\r
91 function.handle(event);
\r
95 public String toString()
\r
97 return event.toString();
\r
102 public String toString()
\r
104 return "simulation time: " + currentTime + ", " + events.toString();
\r