/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. 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.html
* or glassfish/bootstrap/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 glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [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.util;
import com.sun.corba.ee.spi.orbutil.threadpool.ThreadPoolManager;
import com.sun.corba.ee.spi.orbutil.threadpool.ThreadPool;
import com.sun.corba.ee.spi.orbutil.threadpool.NoSuchThreadPoolException;
import com.sun.corba.ee.spi.orbutil.threadpool.ThreadPoolChooser;
import com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl;
import com.sun.corba.ee.impl.orbutil.ORBConstants;
import com.sun.enterprise.server.ApplicationServer;
import com.sun.enterprise.server.ServerContext;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.ConfigBean;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.config.serverbeans.IiopService;
import com.sun.enterprise.config.serverbeans.ServerBeansFactory;
import com.sun.enterprise.config.serverbeans.Orb;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.ThreadPools;
import java.util.HashMap;
import java.util.ArrayList;
import java.util.logging.*;
import com.sun.logging.*;
public class S1ASThreadPoolManager implements ThreadPoolManager {
static Logger _logger=LogDomains.getLogger(LogDomains.UTIL_LOGGER);
private static final int DEFAULT_NUMBER_OF_QUEUES = 0;
private static final int DEFAULT_MIN_THREAD_COUNT = 10;
private static final int DEFAULT_MAX_THREAD_COUNT = 200;
private static HashMap idToIndexTable = new HashMap();
private static HashMap indexToIdTable = new HashMap();
private static ArrayList threadpoolList = new ArrayList();
private static String defaultID;
private static ThreadPoolManager s1asThreadPoolMgr = new S1ASThreadPoolManager();
public static ThreadPoolManager getThreadPoolManager() {
return s1asThreadPoolMgr;
}
S1ASThreadPoolManager() {
Orb orbBean = null;
try {
ServerContext serverContext = ApplicationServer.getServerContext();
ConfigContext configContext = serverContext.getConfigContext();
assert(configContext != null);
// IiopService iiopServiceBean = ServerBeansFactory.getIiopServiceBean(configContext);
Config config = ServerBeansFactory.getConfigBean(configContext);
assert(config != null);
// orbBean = iiopServiceBean.getOrb();
com.sun.enterprise.config.serverbeans.ThreadPools
threadpoolsElement = config.getThreadPools();
assert (threadpoolsElement != null);
com.sun.enterprise.config.serverbeans.ThreadPool[]
allThreadpools = threadpoolsElement.getThreadPool();
for (int i = 0; i < allThreadpools.length; i++) {
createThreadPools(allThreadpools[i], i);
}
defaultID = (String)indexToIdTable.get(new Integer(0));
} catch (ConfigException cfe) {
_logger.log(Level.SEVERE,"enterprise_util.orbmgr_config_excep", cfe);
} catch (NullPointerException npe) {
_logger.log(Level.FINE,"Server Context is NULL. Ignoring and proceeding.");
}
}
private void createThreadPools(com.sun.enterprise.config.serverbeans.ThreadPool
threadpoolBean, int index) {
String threadpoolId = null;
String minThreadsValue, maxThreadsValue, timeoutValue, numberOfQueuesValue;
int minThreads = DEFAULT_MIN_THREAD_COUNT;
int maxThreads = DEFAULT_MAX_THREAD_COUNT;
int idleTimeoutInSeconds = ORBConstants.DEFAULT_INACTIVITY_TIMEOUT;
int numberOfQueues = DEFAULT_NUMBER_OF_QUEUES;
try {
threadpoolId = threadpoolBean.getThreadPoolId();
} catch (NullPointerException npe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING, "ThreadPoolBean may be null ", npe);
}
}
try {
minThreadsValue = threadpoolBean.getMinThreadPoolSize();
minThreads = Integer.parseInt(minThreadsValue);
} catch (NullPointerException npe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING, "ThreadPoolBean may be null ", npe);
_logger.log(Level.WARNING,
"Using default value for steady-threadpool-size = " + minThreads);
}
} catch (NumberFormatException nfe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING,"enterprise_util.excep_orbmgr_numfmt",nfe);
_logger.log(Level.WARNING,
"Using default value for min-threadpool-size = " + minThreads);
}
}
try {
maxThreadsValue = threadpoolBean.getMaxThreadPoolSize();
maxThreads = Integer.parseInt(maxThreadsValue);
} catch (NullPointerException npe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING, "ThreadPoolBean may be null ", npe);
_logger.log(Level.WARNING,
"Using default value for max-threadpool-size = " + maxThreads);
}
} catch (NumberFormatException nfe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING,"enterprise_util.excep_orbmgr_numfmt",nfe);
_logger.log(Level.WARNING,
"Using default value for max-threadpool-size = " + maxThreads);
}
}
try {
timeoutValue = threadpoolBean.getIdleThreadTimeoutInSeconds();
idleTimeoutInSeconds = Integer.parseInt(timeoutValue);
} catch (NullPointerException npe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING, "ThreadPoolBean may be null ", npe);
_logger.log(Level.WARNING,
"Using default value for idle-thread-timeout-in-seconds = " +
idleTimeoutInSeconds);
}
} catch (NumberFormatException nfe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING,"enterprise_util.excep_orbmgr_numfmt",nfe);
_logger.log(Level.WARNING,
"Using default value for idle-thread-timeout-in-seconds = " +
idleTimeoutInSeconds);
}
}
// Currently this value is not used but when multi-queue threadpools are
// implemented this could be used to decide which one to instantiate and
// number of queues in the multi-queue threadpool
try {
numberOfQueuesValue = threadpoolBean.getNumWorkQueues();
numberOfQueues = Integer.parseInt(numberOfQueuesValue);
} catch (NullPointerException npe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING, "ThreadPoolBean may be null ", npe);
_logger.log(Level.WARNING,
"Using default value for num-work-queues = " +
numberOfQueues);
}
} catch (NumberFormatException nfe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING,"enterprise_util.excep_orbmgr_numfmt",nfe);
_logger.log(Level.WARNING,
"Using default value for num-work-queues = " +
numberOfQueues);
}
}
// Mutiplied the idleTimeoutInSeconds by 1000 to convert to milliseconds
com.sun.corba.ee.spi.orbutil.threadpool.ThreadPool threadpool =
new ThreadPoolImpl(minThreads, maxThreads,
idleTimeoutInSeconds * 1000, threadpoolId,
ApplicationServer.getServerContext().getCommonClassLoader());
// Add the threadpool instance to the threadpoolList
threadpoolList.add(threadpool);
// Associate the threadpoolId to the index passed
idToIndexTable.put(threadpoolId, new Integer(index));
// Associate the threadpoolId to the index passed
indexToIdTable.put(new Integer(index), threadpoolId);
}
/**
* This method will return an instance of the threadpool given a threadpoolId,
* that can be used by any component in the app. server.
*
* @throws NoSuchThreadPoolException thrown when invalid threadpoolId is passed
* as a parameter
*/
public com.sun.corba.ee.spi.orbutil.threadpool.ThreadPool
getThreadPool(String id)
throws NoSuchThreadPoolException {
Integer i = (Integer)idToIndexTable.get(id);
if (i == null) {
throw new NoSuchThreadPoolException();
}
try {
com.sun.corba.ee.spi.orbutil.threadpool.ThreadPool threadpool =
(com.sun.corba.ee.spi.orbutil.threadpool.ThreadPool)
threadpoolList.get(i.intValue());
return threadpool;
} catch (IndexOutOfBoundsException iobe) {
throw new NoSuchThreadPoolException();
}
}
/**
* This method will return an instance of the threadpool given a numeric threadpoolId.
* This method will be used by the ORB to support the functionality of
* dedicated threadpool for EJB beans
*
* @throws NoSuchThreadPoolException thrown when invalidnumericIdForThreadpool is passed
* as a parameter
*/
public com.sun.corba.ee.spi.orbutil.threadpool.ThreadPool
getThreadPool(int numericIdForThreadpool)
throws NoSuchThreadPoolException {
try {
com.sun.corba.ee.spi.orbutil.threadpool.ThreadPool threadpool =
(com.sun.corba.ee.spi.orbutil.threadpool.ThreadPool)
threadpoolList.get(numericIdForThreadpool);
return threadpool;
} catch (IndexOutOfBoundsException iobe) {
throw new NoSuchThreadPoolException();
}
}
/**
* This method is used to return the numeric id of the threadpool, given a String
* threadpoolId. This is used by the POA interceptors to add the numeric threadpool
* Id, as a tagged component in the IOR. This is used to provide the functionality of
* dedicated threadpool for EJB beans
*/
public int getThreadPoolNumericId(String id) {
Integer i = (Integer)idToIndexTable.get(id);
return ((i == null) ? 0 : i.intValue());
}
/**
* Return a String Id for a numericId of a threadpool managed by the threadpool
* manager
*/
public String getThreadPoolStringId(int numericIdForThreadpool) {
String id = (String)indexToIdTable.get(new Integer(numericIdForThreadpool));
return ((id == null) ? defaultID : id);
}
/**
* Returns the first instance of ThreadPool in the ThreadPoolManager
*/
public com.sun.corba.ee.spi.orbutil.threadpool.ThreadPool
getDefaultThreadPool() {
try {
return getThreadPool(0);
} catch (NoSuchThreadPoolException nstpe) {
if(_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING, "No default ThreadPool defined ", nstpe);
}
}
return null;
}
/**
* Return an instance of ThreadPoolChooser based on the componentId that was
* passed as argument
*/
public ThreadPoolChooser getThreadPoolChooser(String componentId) {
//FIXME: This method is not used, but should be fixed once
//ORB's nio select starts working and we start using ThreadPoolChooser
//This will be mostly used by the ORB
return null;
}
/**
* Return an instance of ThreadPoolChooser based on the componentIndex that was
* passed as argument. This is added for improved performance so that the caller
* does not have to pay the cost of computing hashcode for the componentId
*/
public ThreadPoolChooser getThreadPoolChooser(int componentIndex) {
//FIXME: This method is not used, but should be fixed once
//ORB's nio select starts working and we start using ThreadPoolChooser
//This will be mostly used by the ORB
return null;
}
/**
* Sets a ThreadPoolChooser for a particular componentId in the ThreadPoolManager. This
* would enable any component to add a ThreadPoolChooser for their specific use
*/
public void setThreadPoolChooser(String componentId, ThreadPoolChooser aThreadPoolChooser) {
//FIXME: This method is not used, but should be fixed once
//ORB's nio select starts working and we start using ThreadPoolChooser
//This will be mostly used by the ORB
}
/**
* Gets the numeric index associated with the componentId specified for a
* ThreadPoolChooser. This method would help the component call the more
* efficient implementation i.e. getThreadPoolChooser(int componentIndex)
*/
public int getThreadPoolChooserNumericId(String componentId) {
//FIXME: This method is not used, but should be fixed once
//ORB's nio select starts working and we start using ThreadPoolChooser
//This will be mostly used by the ORB
return 0;
}
}
|
