javaSE基础编程——多线程（生产者和消费者）

来源：互联网发布：调度算法有哪些编辑：程序博客网时间：2024/06/05 19:58

package com.cissst.software.model;

/**
* 产品类
* @author Administrator
* @date 2015-8-10
*/
public class Product {

//产品编号
private int id;

public Product(int id) {
this.id = id;
}

public String toString() {
return "Product:" + id;
}

public int getId() {
return id;
}

}

package com.cissst.software.model;

/**
* 筐子类
* @author Administrator
* @date 2015-8-10
*/
public class Storage {
    /**
     * 筐子中存放6个产品
     */
private Product[] cells = new Product[6];
//当前栈顶指针
private int inPos=0;
/**
* 往筐子中放入产品
* @param product
*/
public synchronized void push(Product product){
  //栈满
  while(inPos == cells.length){
   try {
    this.wait();
   } catch (InterruptedException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
  }
  cells[inPos] = product;
  System.out.println(Thread.currentThread().getName()+"生产了第"+product.getId()+"个产品");
  inPos ++;
  this.notify();
}
    /**
     * 从筐子中取出产品
     * @return
     */
public synchronized Product pop(){
  while(inPos == 0){
   try {
    this.wait();
   } catch (InterruptedException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
  }
  inPos --;
  Product data = cells[inPos];
  System.out.println(Thread.currentThread().getName()+"消费了第"+data.getId()+"个产品");
  this.notify();
  return data;
}

}

package com.cissst.software.Thread;

import com.cissst.software.model.Product;
import com.cissst.software.model.Storage;

public class ConsumeThread implements Runnable {

private Storage storage ;
public ConsumeThread(){

}
public ConsumeThread(Storage storage){
  this.storage = storage;
}

@Override
public void run() {
  for(int i=1;i<=20;i++){

   Product product =storage.pop();
//   System.out.println("消费了第" +product.getId()+"个产品");

   try {
    Thread.sleep(1000);
   } catch (InterruptedException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
  }
}

}

package com.cissst.software.Thread;

import com.cissst.software.model.Storage;

public class MainThread {

/**
* @param args
*/
public static void main(String[] args) {

  Storage storage = new Storage();

  //创建生产者对象
  ProduceThread produce = new ProduceThread(storage);
//  //启动生产线程
//  new Thread(produce).start();
  //创建第一个生产者线程
  Thread t1 = new Thread(produce,"生产一");
  t1.start();
  //创建第二个生产者线程
  Thread t2 = new Thread(produce,"生产二");
  t2.start();
  //创建消费者对象
  ConsumeThread consumeThread = new ConsumeThread(storage);
//  //启动消费线程
//  new Thread(consumeThread).start();
  //创建第一个消费者线程
  Thread c1 = new Thread(consumeThread,"消费者一");
  c1.start();
  //创建第二个消费者线程
  Thread c2 = new Thread(consumeThread,"消费者二");
  c2.start();
}

}

package com.cissst.software.Thread;

import com.cissst.software.model.Product;
import com.cissst.software.model.Storage;

/**
* 生产者线程：
* 生产20个苹果
* @author Administrator
* @date 2015-8-10
*/
public class ProduceThread implements Runnable {

private Storage storage ;
public ProduceThread(){

}
public ProduceThread(Storage storage){
  this.storage = storage;
}

@Override
public void run() {

  for(int i=1;i<=20;i++){
   Product product = new Product(i);
   storage.push(product);
   try {
    Thread.sleep(1000);
   } catch (InterruptedException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
  }

}

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