Java tutorial
/** * Copyright (c) 2000-2007, Shakarchi Asaf * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package velo.adapters; import java.util.logging.Logger; import org.apache.commons.pool.impl.GenericObjectPool; import velo.common.UniqueIdGenerator; import velo.exceptions.AdapterPoolException; public class AdapterPool extends GenericObjectPool { private static Logger logger = Logger.getLogger(AdapterPool.class.getName()); /** * A unique ID of the pool */ private String uniqueId; /** * Constructor, * Initialize the pool by the specified adapterFactory and adapter pool config * @param adapterFactory * @param config */ public AdapterPool(AdapterFactory adapterFactory, AdapterPoolConfig apc) { super(adapterFactory, apc.getPoolConfig()); setUniqueId("Adapter Pool:" + UniqueIdGenerator.generateUniqueIdByUID()); } public AdapterPool(AdapterFactory adapterFactory) { super(adapterFactory, new AdapterPoolConfig().getPoolConfig()); setUniqueId("Adapter Pool:" + UniqueIdGenerator.generateUniqueIdByUID()); } public Object borrowObject() throws AdapterPoolException { try { logger.fine("borrowing adapter from pool..!"); return super.borrowObject(); } catch (Exception e) { throw new AdapterPoolException(e.getMessage()); } } public void returnObject(Object obj) throws AdapterPoolException { try { logger.fine("returning adapter to pool.." + obj); super.returnObject(obj); } catch (Exception e) { throw new AdapterPoolException(e); } } /** * @param uniqueId the uniqueId to set */ public void setUniqueId(String uniqueId) { this.uniqueId = uniqueId; } /** * @return the uniqueId */ public String getUniqueId() { return uniqueId; } }