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: 777748 $ $Date: 2009-05-22 20:00:44 -0400 (Fri, 22 May 2009) $
030     * @since Pool 1.0
031     */
032    public abstract class BasePoolableObjectFactory implements PoolableObjectFactory {
033        public abstract Object makeObject()
034            throws Exception;
035    
036        /** No-op. */
037        public void destroyObject(Object obj)
038            throws Exception  {
039        }
040    
041        /**
042         * This implementation always returns <tt>true</tt>.
043         * @return <tt>true</tt>
044         */
045        public boolean validateObject(Object obj) {
046            return true;
047        }
048    
049        /** No-op. */
050        public void activateObject(Object obj)
051            throws Exception {
052        }
053    
054        /** No-op. */
055        public void passivateObject(Object obj)
056            throws Exception {
057        }
058    }