34 lines
1.3 KiB
Java
34 lines
1.3 KiB
Java
// PART OF THE MACHINE SIMULATION. DO NOT CHANGE.
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package nachos.machine;
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/**
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* An event that affects rider software. If a rider is outside the elevators,
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* it will only receive events on the same floor as the rider. If a rider is
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* inside an elevator, it will only receive events pertaining to that elevator.
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*/
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public final class RiderEvent {
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public RiderEvent(int event, int floor, int elevator, int direction) {
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this.event = event;
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this.floor = floor;
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this.elevator = elevator;
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this.direction = direction;
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}
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/** The event identifier. Refer to the <i>event*</i> constants. */
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public final int event;
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/** The floor pertaining to the event, or -1 if not applicable. */
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public final int floor;
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/** The elevator pertaining to the event, or -1 if not applicable. */
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public final int elevator;
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/** The direction display of the elevator (neither if not applicable). */
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public final int direction;
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/** An elevator's doors have opened. */
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public static final int eventDoorsOpened = 0;
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/** An elevator's doors were open and its direction display changed. */
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public static final int eventDirectionChanged = 1;
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/** An elevator's doors have closed. */
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public static final int eventDoorsClosed = 2;
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}
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