https://commons.apache.org/proper/commons-pool/: The Apache Commons Object Pooling Library. (The Apache Software Foundation)
  • Todd Carmichael
  • Morgan Delagrange ()
  • Geir Magnusson ()
  • Craig McClanahan ()
  • Rodney Waldhoff ()
  • David Weinrich ()
  • Dirk Verbeeck ()
  • Robert Burrell Donkin (The Apache Software Foundation)
  • Sandy McArthur (The Apache Software Foundation)
  • Simone Tripodi (The Apache Software Foundation)
  • Gary Gregory (The Apache Software Foundation)
  • Matt Sicker (The Apache Software Foundation) 
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.pool2;


This interface may be implemented by an object pool to enable clients
(primarily those clients that wrap pools to provide pools with extended
features) to provide additional information to the pool relating to object
using allowing more informed decisions and reporting to be made regarding
abandoned objects.

Type parameters:
  • <T> –   The type of object provided by the pool.
Since:2.0
/**
 * This interface may be implemented by an object pool to enable clients
 * (primarily those clients that wrap pools to provide pools with extended
 * features) to provide additional information to the pool relating to object
 * using allowing more informed decisions and reporting to be made regarding
 * abandoned objects.
 *
 * @param <T>   The type of object provided by the pool.
 *
 * @since 2.0
 */
public interface UsageTracking<T> {

    
This method is called every time a pooled object is used to enable the pool to
better track borrowed objects.

Params:
  • pooledObject –  The object that is being used
/**
     * This method is called every time a pooled object is used to enable the pool to
     * better track borrowed objects.
     *
     * @param pooledObject  The object that is being used
     */
    void use(T pooledObject);
}