hello/java/samples/multithread/GazStation/src/gazstation/Car.java

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package gazstation;

import java.util.Random;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author denis
 */
class Car extends Thread{
    public int tank;
    private int max = 40;
    public String name;

    @Override
    public void run() {
        while(true){
            fuel();
            try {Thread.sleep(1000);} catch (InterruptedException ex) {}
            int fuel = new Random().nextInt(40);
            tank -= fuel;
            System.out.println(name + ": израсходовал " + fuel + " л. Объем топлива: " + tank);
        }
    }
    
    public Car(String name) {
        this.name = name;
        this.tank = new Random().nextInt(max-20);
    }
    
    public void fuel(){
        int fuel = max - tank;
        boolean res = GazStation.getState().column1.getFuel(fuel);
        if(!res) {
            System.out.println(name + ": не достаточно топлива. Ожидает.");
            
            try {Thread.sleep(2000);} catch (InterruptedException ex) {}
            fuel();
        }else {
            tank += fuel;
            System.out.println("--------------------------" + name + ": заправил " + fuel + " л. Объем топлива: " + tank);
        }
    }
}