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    }