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Copy pathTrafficLightControl.java
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65 lines (57 loc) · 2.07 KB
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package hw_jw0;
public class TrafficLightControl {
// реализую только один светофор, но можно организовать список светофоров
private TrafficLight trafficLight;
public void addTrafficLight(int redTime, int yellowTime, int greenTime) {
trafficLight = new TrafficLight(redTime, yellowTime, greenTime);
}
// проверка на следующий цвет, если нет его, то ничего не передаем
private Light chooseNextLight() {
Light light = trafficLight.getCurrentLight();
for (int i = 0; i < trafficLight.lights.length; i++) {
if (light == trafficLight.lights[i]) {
int k = i + 1;
if (k == trafficLight.lights.length) {
return null;
}
light = trafficLight.lights[k];
trafficLight.setCurrentLight(light);
break;
}
}
return light;
}
// запускаем светофор
public void start() {
Light light = trafficLight.getCurrentLight();
showLight();
}
private void showLight() {
Light light = trafficLight.getCurrentLight();
System.out.println("Светофор установил " + light.name + " свет");
int time = light.time;
Thread thread = new Thread() {
@Override
public void run() {
for (int i = 0; i < time; i++) {
try {
this.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
if (switchLight() != null) {
TrafficLightControl.this.showLight();
}
}
};
thread.start();
}
private Light switchLight() {
Light light = chooseNextLight();
if (light != null) {
trafficLight.setCurrentLight(light);
}
return light;
}
}