| /* |
| * Copyright 2002-2005 The Apache Software Foundation |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. |
| * |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cocoon.core.container.handler; |
| |
| import org.apache.avalon.framework.logger.Logger; |
| import org.apache.cocoon.components.ComponentInfo; |
| import org.apache.cocoon.core.container.ComponentFactory; |
| |
| /** |
| * The DefaultComponentHandler to make sure components are initialized |
| * and destroyed correctly. |
| * |
| * @version $Id$ |
| * @since 2.2 |
| */ |
| public class SingleThreadedComponentHandler |
| extends AbstractFactoryHandler { |
| |
| private long maxCreated = 0; |
| private long maxDecommissioned = 0; |
| |
| /** |
| * Create a SingleThreadedComponentHandler which manages a pool of Components |
| * created by the specified factory object. |
| * |
| * @param logger The logger to use |
| * @param factory The factory object which is responsible for creating the components |
| * managed by the handler. |
| */ |
| public SingleThreadedComponentHandler( final ComponentInfo info, |
| final Logger logger, |
| final ComponentFactory factory ) { |
| super(info, logger, factory); |
| } |
| |
| /** |
| * Get a reference of the desired Component |
| * |
| * @return A component instance. |
| * |
| * @throws Exception If there are any problems encountered acquiring a |
| * component instance. |
| */ |
| protected Object doGet() |
| throws Exception { |
| maxCreated++; |
| return this.factory.newInstance(); |
| } |
| |
| /** |
| * Return a reference of the desired Component |
| * |
| * @param component Component to be be put/released back to the handler. |
| */ |
| protected void doPut( final Object component ) { |
| this.decommission( component ); |
| maxDecommissioned++; |
| } |
| |
| protected void doInitialize() { |
| // nothing to do here |
| } |
| |
| /** |
| * @return Returns the maxCreated. |
| */ |
| public long getMaxCreated() |
| { |
| return maxCreated; |
| } |
| |
| /** |
| * @return Returns the maxDecommisioned. |
| */ |
| public long getMaxDecommissioned() |
| { |
| return maxDecommissioned; |
| } |
| |
| } |