每天20分钟对象池的使用

<groupId>org.apache.commons</groupId>

<artifactId>commons-pool2</artifactId>

<version>${commons-pool2.version}</version>

private Integer id;

private String info;

@Override

public DbConnect create() throws Exception {

    return new DbConnect();

}

@Override

public PooledObject<DbConnect> wrap(DbConnect obj) {

    return new DefaultPooledObject<DbConnect>(obj);

}

public static void main(String[] args) throws Exception{

    PooledObjectFactory<DbConnect> factory = new DbConnectFactory();

    GenericObjectPoolConfig poolConfig = new GenericObjectPoolConfig();

    poolConfig.setMaxIdle(5);

    poolConfig.setMinIdle(1);

    poolConfig.setMaxTotal(20);

    poolConfig.setTestOnBorrow(true);

    poolConfig.setTestOnReturn(false);

    poolConfig.setTestWhileIdle(false);

    poolConfig.setLifo(true);

    poolConfig.setBlockWhenExhausted(true);

    poolConfig.setNumTestsPerEvictionRun(3);

    final GenericObjectPool<DbConnect> pool = new GenericObjectPool<DbConnect>(factory, poolConfig);

    for (int j=1;j < 10 ;j ++) {

        new Thread(() ->{

            for (int i =0; i < 100; i++) {

                try {

                    DbConnect dbConnect = pool.borrowObject();

                    if (null == dbConnect.getId()) {

                        dbConnect.setId(i);

                        dbConnect.setInfo("id:"+i);

                    }

                    System.out.println(dbConnect);

                }catch (Exception e) {

                    log.error("connect error", e);

                }

            }

        }).start();

    }

}