<dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-pool2</artifactId>
    </dependency>

import com.scl.online.service.model.SxInferContext;
import org.apache.commons.pool2.PooledObject;
import org.apache.commons.pool2.PooledObjectFactory;
import org.apache.commons.pool2.impl.DefaultPooledObject;

 /**
 * 實現(xiàn)PooledObjectFactory 
 * 
 * @author : cuilinsu
 * @since : 2021/4/14 17:56
 */
public class InferContextPooledObjectFactory implements PooledObjectFactory<SxInferContext> {

  @Override
  public PooledObject<SxInferContext> makeObject() {
    SxInferContext inferContext = new SxInferContext();
    return new DefaultPooledObject<>(inferContext);
  }

  @Override
  public void destroyObject(PooledObject<SxInferContext> pooledObject) {

  }

  @Override
  public boolean validateObject(PooledObject<SxInferContext> pooledObject) {
    return true;
  }

  @Override
  public void activateObject(PooledObject<SxInferContext> pooledObject) {
    pooledObject.getObject().initObject();
  }

  @Override
  public void passivateObject(PooledObject<SxInferContext> pooledObject) {
    // 當(dāng)ObjectPool實例返還池中的時候調(diào)用
    pooledObject.getObject().initObject();
  }
}

public GenericObjectPool<SxInferContext> contextPools;

@PostConstruct
  public void init() {
    if (sxInferConfig.isObjectPoolUsable()) {
      InferContextPooledObjectFactory factory = new InferContextPooledObjectFactory();
      //設(shè)置對象池的相關(guān)參數(shù)
      GenericObjectPoolConfig poolConfig = initConfig();
      //新建一個對象池,傳入對象工廠和配置
      contextPools = new GenericObjectPool<>(factory, poolConfig);
    }
  }


   /**
   \* 池子初始化
   *
   \* @param
   */
  public GenericObjectPoolConfig initConfig() {
    GenericObjectPoolConfig cfg = new GenericObjectPoolConfig();
    cfg.setJmxNamePrefix("objectPool");
    //  對象總數(shù)
    cfg.setMaxTotal(sxInferConfig.getPoolMaxTotal());
    // 最大空閑對象數(shù)
    cfg.setMaxIdle(sxInferConfig.getPoolMaxIdle());
    // 最小空閑對象數(shù)
    cfg.setMinIdle(sxInferConfig.getPoolMinIdle());
    // 借對象阻塞最大等待時間
    // 獲取資源的等待時間。blockWhenExhausted 為 true 時有效。-1 代表無時間限制，一直阻塞直到有可用的資源
    cfg.setMaxWaitMillis(sxInferConfig.getPoolMaxWait());
    // 最小驅(qū)逐空閑時間
    cfg.setMinEvictableIdleTimeMillis(sxInferConfig.getPoolMinEvictableIdleTimeMillis());
    // 每次驅(qū)逐數(shù)量  資源回收線程執(zhí)行一次回收操作，回收資源的數(shù)量。默認(rèn) 3
    cfg.setNumTestsPerEvictionRun(sxInferConfig.getPoolNumTestsPerEvictionRun());
    // 回收資源線程的執(zhí)行周期，默認(rèn) -1 表示不啟用回收資源線程
    cfg.setTimeBetweenEvictionRunsMillis(sxInferConfig.getPoolTimeBetweenEvictionRunsMillis());
    // 資源耗盡時，是否阻塞等待獲取資源，默認(rèn) true
    cfg.setBlockWhenExhausted(sxInferConfig.isPoolBlockWhenExhausted());
    return cfg;
  }