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 factory interface for creating {@link ObjectPool}s. 022 * 023 * @param <T> the type of objects held in this pool 024 * 025 * @see ObjectPool 026 * 027 * @author Rodney Waldhoff 028 * @version $Revision: 1222388 $ $Date: 2011-12-22 13:28:27 -0500 (Thu, 22 Dec 2011) $ 029 * @since Pool 1.0 030 */ 031 public interface ObjectPoolFactory<T> { 032 /** 033 * Create and return a new {@link ObjectPool}. 034 * @return a new {@link ObjectPool} 035 * @throws IllegalStateException when this pool factory is not configured properly 036 */ 037 ObjectPool<T> createPool() throws IllegalStateException; 038 }