BlockingQueue的一個小例子

生產者：

package test.a;

import java.util.concurrent.BlockingQueue;

public class Consumer implements Runnable {
 
 private final BlockingQueue queue;

 Consumer(BlockingQueue q) {
  queue = q;
 }

 public void run() {
  try {
   for(int i=0;i<10;i++){
    consume(queue.take());
   }
  } catch (InterruptedException ex) {
   ex.printStackTrace();
  }
 }

 void consume(Object x) {
  System.out.println(x);
 }
}

 消費者：

package test.a;

import java.util.concurrent.BlockingQueue;

public class Producer implements Runnable {
 private final BlockingQueue queue;

 Producer(BlockingQueue q) {
  queue = q;
 }

 public void run() {
  try {
   for(int i=0;i<10;i++){
    queue.put(produce(i));
   }
  } catch (InterruptedException ex) {
   ex.printStackTrace();
  }
 }

 Object produce(int i) throws InterruptedException {
  return "queue"+i;
 }
}

 

package test.a;


import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;


import test.Consumer;
import test.Producer;


public class Setup {

public static void main(String[] args) {
BlockingQueue q = new ArrayBlockingQueue(10);
// Producer p = new Producer(q);
// Consumer c1 = new Consumer(q);
// Consumer c2 = new Consumer(q);
// new Thread(c2).start();
// new Thread(p).start();

// new Thread(c1).start();

ExecutorService service = Executors.newCachedThreadPool();
        Consumer consumer = new Consumer(q);  
        Producer producer = new Producer(q); 
        service.submit(producer);  
        service.submit(consumer); 
        service.shutdown();
}
}