001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.aop.target; 018 019/** 020 * Config interface for a pooling target source. 021 * 022 * @author Rod Johnson 023 * @author Juergen Hoeller 024 */ 025public interface PoolingConfig { 026 027 /** 028 * Return the maximum size of the pool. 029 */ 030 int getMaxSize(); 031 032 /** 033 * Return the number of active objects in the pool. 034 * @throws UnsupportedOperationException if not supported by the pool 035 */ 036 int getActiveCount() throws UnsupportedOperationException; 037 038 /** 039 * Return the number of idle objects in the pool. 040 * @throws UnsupportedOperationException if not supported by the pool 041 */ 042 int getIdleCount() throws UnsupportedOperationException; 043 044}