    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     */
    017
    018    package org.apache.commons.pool;
    019
    020    /**
    021     * A base implementation of <code>PoolableObjectFactory</code>.
    022     * <p>
    023     * All operations defined here are essentially no-op's.
    024     *
    025     * @see PoolableObjectFactory
    026     * @see BaseKeyedPoolableObjectFactory
    027     *
    028     * @author Rodney Waldhoff
    029     * @version $Revision: 965336 $ $Date: 2010-07-18 17:58:33 -0700 (Sun, 18 Jul 2010) $
    030     * @since Pool 1.0
    031     */
    032    public abstract class BasePoolableObjectFactory implements PoolableObjectFactory {
    033
    034        /**
    035         * {@inheritDoc}
    036         */
    037        public abstract Object makeObject() throws Exception;
    038
    039        /**
    040         *  No-op.
    041         *
    042         *  @param obj ignored
    043         */
    044        public void destroyObject(Object obj)
    045            throws Exception  {
    046        }
    047
    048        /**
    049         * This implementation always returns <tt>true</tt>.
    050         *
    051         * @param obj ignored
    052         * @return <tt>true</tt>
    053         */
    054        public boolean validateObject(Object obj) {
    055            return true;
    056        }
    057
    058        /**
    059         *  No-op.
    060         *
    061         *  @param obj ignored
    062         */
    063        public void activateObject(Object obj) throws Exception {
    064        }
    065
    066        /**
    067         *  No-op.
    068         *
    069         * @param obj ignored
    070         */
    071        public void passivateObject(Object obj)
    072            throws Exception {
    073        }
    074    }