生産と消費

生産と消費

import java.io.*;
public class WaitPandC {
	static int produceSpeed = 200;
	static int consumeSpeed = 200;
	public static void main(String[] args) {
		if(args.length > 0) {
			produceSpeed = Integer.parseInt(args[0]);
		} 
		if(args.length > 1) {
			consumeSpeed = Integer.parseInt(args[1]);
		}
		Monitor monitor = new Monitor();
		new Producer (monitor, produceSpeed);
		new Producer (monitor, consumeSpeed);
		try {
			Thread.sleep(1000);
		}catch (InterruptedException e) {}
		System.exit(0);
	}
}
class Monitor {
	PrintWriter out = new PrintWriter (System.out, true);
	int token;
	synchronized int get() {
		if( ! valueSet) {
			try {
				wait();
			}catch(InterruptedException e) {}
		}
		valuesSet = false;
		out.println("Gog : " + token);
		notify();
		return token;
	}
	synchronized void set(int value) {
		if(valueSet) {
			try {
				wait();
			}catch(InterruptedException e) {}
		}
		valueSet = true;
		token = value;
		out.println("Set : " + token );
		notify();
	}
}
class Producer implements Runnable {
	Monitor monitor;
	int speed;
	Producer (Monitor monitor, int speed ) {
		this.monitor = monitor;
		this.speed = speed;
		new Thread(this, "Producer" ).start();
	}
	public void run() {
		int i = 0;
		while (true ) {
			monitor.set(i++);
			try {
				Thread.sleep((int) (Math.random()* speed));
			}catch(InterruptedException e) {}
		}
	}
}
class Consumer implements Runnable {
	Monitor monitor;
	int speed;
	Consumer(Monitor monitor, int speed) {
		this.monitor = monitor;
		this.speed = speed;
		new Thread(this, "Consumer").start();
	}
	public void run() {
		while(true) {
			monitor.get();
			try {
				Thread.sleep((int) (Math.random()* speed));
			}catch(InterruptedException e) {}
		}
	}
}

 
 
 

import java.io.*;
public class WaitPandC {
	static int produceSpeed = 200;
	static int consumeSpeed = 200;
	public static void main(String[] args) {
		if(args.length > 0) {
			produceSpeed = Integer.parseInt(args[0]);
		} 
		if(args.length > 1) {
			consumeSpeed = Integer.parseInt(args[1]);
		}
		Monitor monitor = new Monitor();
		new Producer (monitor, produceSpeed);
		new Producer (monitor, consumeSpeed);
		try {
			Thread.sleep(1000);
		}catch (InterruptedException e) {}
		System.exit(0);
	}
}
class Monitor {
	PrintWriter out = new PrintWriter (System.out, true);
	int token;
	boolean valueSet = false;
	synchronized int get() {
		if( ! valueSet) {
			try {
				wait();
			}catch(InterruptedException e) {}
		}
		valueSet = false;
		out.println("Gog : " + token);
		notify();
		return token;
	}
	synchronized void set(int value) {
		if(valueSet) {
			try {
				wait();
			}catch(InterruptedException e) {}
		}
		valueSet = true;
		token = value;
		out.println("Set : " + token );
		notify();
	}
}
class Producer implements Runnable {
	Monitor monitor;
	int speed;
	Producer (Monitor monitor, int speed ) {
		this.monitor = monitor;
		this.speed = speed;
		new Thread(this, "Producer" ).start();
	}
	public void run() {
		int i = 0;
		while (true ) {
			monitor.set(i++);
			try {
				Thread.sleep((int) (Math.random()* speed));
			}catch(InterruptedException e) {}
		}
	}
}
class Consumer implements Runnable {
	Monitor monitor;
	int speed;
	Consumer(Monitor monitor, int speed) {
		this.monitor = monitor;
		this.speed = speed;
		new Thread(this, "Consumer").start();
	}
	public void run() {
		while(true) {
			monitor.get();
			try {
				Thread.sleep((int) (Math.random()* speed));
			}catch(InterruptedException e) {}
		}
	}
}