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Glassfish example source code file (WorkManagerFactory.java)
The Glassfish WorkManagerFactory.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.enterprise.connectors.work; import com.sun.appserv.connectors.internal.api.ConnectorRuntimeException; import com.sun.appserv.connectors.internal.api.ConnectorRuntime; import com.sun.enterprise.util.i18n.StringManager; import com.sun.logging.LogDomains; import org.jvnet.hk2.annotations.Service; import org.jvnet.hk2.annotations.Inject; import org.jvnet.hk2.annotations.Scoped; import org.jvnet.hk2.component.Habitat; import org.jvnet.hk2.component.Singleton; import javax.resource.spi.work.WorkManager; import java.lang.reflect.Method; import java.util.Collections; import java.util.HashMap; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; /** * WorkManagerFactory allows other customized WorkManager implementation * to be plugged into the server. The name of the customized * implementation class for the WorkManager has to be specified as * a system property "workmanager.class". * <p/> * It is assumed that the implementation for WorkManager also provides * a public method called "getInstance" that returns a WorkManager object. * This frees the WorkManagerFactory from deciding whether WorkManager * is implemented as a Singleton in the server. * <p/> * * @author Qingqing Ouyang, Binod P.G. */ @Service @Scoped(Singleton.class) public final class WorkManagerFactory implements com.sun.appserv.connectors.internal.api.WorkManagerFactory { private static final String DEFAULT = "com.sun.enterprise.connectors.work.CommonWorkManager"; private static final String WORK_MANAGER_CLASS = "workmanager.class"; private static final Logger logger = LogDomains.getLogger(WorkManagerFactory.class, LogDomains.RSR_LOGGER); private static final StringManager localStrings = StringManager.getManager(WorkManagerFactory.class); protected static final Map<String, WorkManager> workManagers; @Inject private Habitat connectorRuntimeHabitat; private ConnectorRuntime runtime; static { workManagers = Collections.synchronizedMap(new HashMap<String, WorkManager>()); } public WorkManagerFactory() { } private static Logger _logger = LogDomains.getLogger(WorkManagerFactory.class, LogDomains.RSR_LOGGER); /** * This is called by the constructor of BootstrapContextImpl * * @param poolName thread pool name * @return WorkManager work manager that can be used by resource-adapter */ public WorkManager createWorkManager(String poolName, String raName, ClassLoader rarCL) { String className = null; String methodName = "getInstance"; Class cls = null; WorkManager wm = null; try { className = System.getProperty(WORK_MANAGER_CLASS, DEFAULT); // Default work manager implementation is not a singleton. if (className.equals(DEFAULT)) { return new CommonWorkManager(poolName, getConnectorRuntime(), raName, rarCL); } cls = Thread.currentThread().getContextClassLoader().loadClass(className); if (cls != null) { Method method = cls.getMethod(methodName, new Class[]{}); wm = (WorkManager) method.invoke(cls, new Object[]{}); } } catch (Exception e) { String msg = localStrings.getString("workmanager.instantiation_error", raName); logger.log(Level.SEVERE, msg, e); } return wm; } /** * add work manager to registry * * @param moduleName resource-adapter name * @param wm WorkManager */ static void addWorkManager(String moduleName, WorkManager wm) { workManagers.put(moduleName, wm); } /** * get the actual work manager from registry * * @param moduleName resource-adapter name * @return WorkManager */ static WorkManager retrieveWorkManager(String moduleName) { return workManagers.get(moduleName); } /** * remove the actual work manager from registry * * @param moduleName resource-adapter name * @return boolean */ public boolean removeWorkManager(String moduleName) { boolean result = true; WorkManager wm = workManagers.remove(moduleName); if (wm == null) { _logger.log(Level.FINE, "Failed to remove workManager for RAR [ " + moduleName + " ] from registry."); result = false; } else { _logger.log(Level.FINE, "Removed the workManager for RAR [ " + moduleName + " ] from registry."); if(wm instanceof CommonWorkManager){ ((CommonWorkManager)wm).cleanUp(); } } return result; } /** * provides work manager proxy that is Serializable * * @param poolId ThreadPoolId * @param moduleName resource-adapter name * @return WorkManager * @throws ConnectorRuntimeException when unable to get work manager */ public WorkManager getWorkManagerProxy(String poolId, String moduleName, ClassLoader rarCL) throws ConnectorRuntimeException { WorkManager wm = retrieveWorkManager(moduleName); if (wm == null) { wm = createWorkManager(poolId, moduleName, rarCL); addWorkManager(moduleName, wm); } return new WorkManagerProxy(wm, moduleName); } private ConnectorRuntime getConnectorRuntime() { if(runtime == null){ runtime = connectorRuntimeHabitat.getComponent(ConnectorRuntime.class); } return runtime; } } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish WorkManagerFactory.java source code file: |
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