Java--对象池化技术 org.apache.commons.pool2.ObjectPool
package com.seeyon.objectPool;import org.apache.commons.pool2.ObjectPool;
import org.apache.commons.pool2.impl.GenericObjectPool;
/** * Created by yangyu on 16/12/26.
*/
/**
* org.apache.commons.pool2.ObjectPool对象池的使用
* 直接apache使用对象池，可以实现对象池化技术
*/
public> public static void main(String[] args) throws InterruptedException {
/**
* 创建对象工厂
*/
ObjectFactory objectFactory = new ObjectFactory();
/**
* 创建一个普通的对象池
*/
ObjectPool<ObjectFactory.Computer> objectPool = new GenericObjectPool(objectFactory);
/**
* 创建第一个线程
*/
Thread t1 = new Thread(() -> {
try {
/**
* 从对象池中获取对象
*/
ObjectFactory.Computer computer = objectPool.borrowObject();
System.out.println(Thread.currentThread().getId() + ":" + computer);
/**
* 用完后将对象放回对象池中
*/
objectPool.returnObject(computer);
} catch (Exception e) {
e.printStackTrace();
}
});
t1.start();
t1.join();
new Thread(() -> {
try {
/**
* 再次从对象池中获取对象，你会发现获取的是同一个对象，说明对象池化技术成功
*/
System.out.println(Thread.currentThread().getId() + ":" + objectPool.borrowObject());
} catch (Exception e) {
e.printStackTrace();
}
}).start();
}
}
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