001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.pool2;
018
019/**
020 * This interface allows pooled objects to make information available about when
021 * and how they were used available to the object pool. The object pool may, but
022 * is not required, to use this information to make more informed decisions when
023 * determining the state of a pooled object - for instance whether or not the
024 * object has been abandoned.
025 *
026 * @since 2.0
027 */
028public interface TrackedUse {
029
030    /**
031     * Get the last time this object was used in ms.
032     *
033     * @return long time in ms
034     */
035    long getLastUsed();
036}