【Java】生产者消费者模式

设计一个生产电脑和搬运电脑类，要求生产出一台电脑就搬走一台电脑，如果没有新的电脑生产出来，则搬运工要等待新电脑产出；如果生产出的电脑没有搬走，则要等待电脑搬走之后再生产，并统计出生产的电脑数量。

package chapter9;

public class Job2 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Computer c = new Computer();
        Producer pro = new Producer(c);
        Carrier car = new Carrier(c);
        new Thread(pro).start();
        new Thread(car).start();

    }

}

class Computer
{
    private String name = "dell";
    private String version = "1";
    private static int num = 1;
    public static int getNum() {
        return num;
    }

    public static void setNum(int num) {
        Computer.num = num;
    }
    private boolean flag = false;

    public String getVersion() {
        return version;
    }

    public void setVersion(String version) {
        this.version = version;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public synchronized void set(String name,String version)
    {
        if(!flag)
        {
            try {
                super.wait();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        this.setName(name);
        try {
            Thread.sleep(300);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        this.setVersion(version);
        this.setNum(num+1);
        flag = false;
        super.notify();
    }
    public synchronized void get()
    {
        if(flag)
        {
            try {
                super.wait();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
            try {
                Thread.sleep(300);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            System.out.println(this.getName()+"-->"+this.getVersion()+"-->"+Computer.getNum());
            flag=true;
            super.notify();

    }
}

class Producer implements Runnable
{
    private Computer c = null;

    public Producer(Computer c) {
        //super();
        this.c = c;
    }
    public void run()
    {
        boolean flag=false;
        for(int i = 0; i < 50; i++)
        {
            if(flag)
            {
                this.c.set("dell","1");
                flag = false;
            }
            else
            {
                this.c.set("hp","2");
                flag = true;
            }
        }
    }
}

class Carrier implements Runnable
{
    private Computer c = null;



    public Carrier(Computer c) {
        //super();
        this.c = c;
    }



    public void run()
    {
        for (int i = 0; i < 50; i++) {
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            this.c.get();
        }
    }
}

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