Glassfish example source code file (MonitoringRegistryMediator.java)
The Glassfish MonitoringRegistryMediator.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.ejb.base.stats;
import com.sun.ejb.containers.EjbContainerUtilImpl;
import com.sun.ejb.spi.stats.*;
import com.sun.enterprise.admin.monitor.registry.*;
import org.glassfish.j2ee.statistics.Stats;
import java.lang.reflect.Method;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* A class that acts as an Mediator between admin.registry.* objects
* and EJBContainers. There is one instance of MonitoringRegistryMediator
* per EJBContainer. Containers interact only with this object
* and are completely unaware of any the MonitoringRegistry classes
*
* @author Mahesh Kannan
*/
public class MonitoringRegistryMediator
implements MonitoringLevelListener
{
private static final int ENTITY_CONTAINER_TYPE = 0;
private static final int STATELESS_CONTAINER_TYPE = 1;
private static final int STATEFUL_CONTAINER_TYPE = 2;
private static final int MESSAGE_CONTAINER_TYPE = 3;
private static final Logger _logger = EjbContainerUtilImpl.getInstance().getLogger();
private final String appName;
private final String modName;
private final String ejbName;
private final MonitoredObjectType ejbType;
private int containerType;
private MonitoringLevel currentMonitoringLevel;
private MonitoringRegistry registry;
private EJBStatsProvider ejbStatsProvider;
private EJBCacheStatsProvider ejbCacheStatsProvider;
private EJBPoolStatsProvider ejbPoolStatsProvider;
private MonitorableSFSBStoreManager sfsbStoreStatsProvider;
private EJBTimedObjectStatsProvider ejbTimedObjectStatsProvider;
private EJBStatsImpl ejbStatsImpl;
private EJBCacheStatsImpl ejbCacheStatsImpl;
private EJBPoolStatsImpl ejbPoolStatsImpl;
private EJBTimedObjectStatsImpl ejbTimedObjectStatsImpl;
private EJBMethodStatsManagerImpl ejbMethodStatsManager;
private StatefulSessionStoreMonitor sfsbStoreMonitor;
private boolean isHAStore;
private Level TRACE_LEVEL = Level.INFO;
private Object[] logParams = null;
public MonitoringRegistryMediator( MonitoredObjectType ejbType, String ejbName, String modName,
String appName)
{
this.appName = appName;
this.modName = modName;
this.ejbType = ejbType;
this.ejbName = ejbName;
logParams = new Object[] {ejbName, modName, appName};
this.registry = null;//TODO this.registry = ApplicationServer.getServerContext().getMonitoringRegistry();
this.ejbMethodStatsManager = new EJBMethodStatsManagerImpl(
registry, ejbType, ejbName, modName, appName);
}
public void registerProvider(StatelessSessionBeanStatsProvider provider) {
this.ejbStatsProvider = provider;
this.containerType = STATELESS_CONTAINER_TYPE;
registry.registerMonitoringLevelListener(this, MonitoredObjectType.STATELESS_BEAN);
this.currentMonitoringLevel = getCurrentMonitoringLevel();
if (! isMonitoringOff()) {
registerContainerStats();
}
}
public void registerProvider(StatefulSessionBeanStatsProvider provider) {
this.ejbStatsProvider = provider;
this.containerType = STATEFUL_CONTAINER_TYPE;
registry.registerMonitoringLevelListener(this, MonitoredObjectType.STATEFUL_BEAN);
this.currentMonitoringLevel = getCurrentMonitoringLevel();
if (! isMonitoringOff()) {
registerContainerStats();
}
}
public void registerProvider(EntityBeanStatsProvider provider) {
this.ejbStatsProvider = provider;
this.containerType = ENTITY_CONTAINER_TYPE;
registry.registerMonitoringLevelListener(this,
MonitoredObjectType.ENTITY_BEAN);
this.currentMonitoringLevel = getCurrentMonitoringLevel();
if (! isMonitoringOff()) {
registerContainerStats();
}
}
public void registerProvider(MessageDrivenBeanStatsProvider provider) {
this.ejbStatsProvider = provider;
this.containerType = MESSAGE_CONTAINER_TYPE;
registry.registerMonitoringLevelListener(this,
MonitoredObjectType.MESSAGE_DRIVEN_BEAN);
this.currentMonitoringLevel = getCurrentMonitoringLevel();
if (! isMonitoringOff()) {
registerContainerStats();
}
}
public void registerProvider(EJBCacheStatsProvider provider) {
this.ejbCacheStatsProvider = provider;
if (! isMonitoringOff()) {
registerCacheStats();
}
}
public void registerProvider(EJBPoolStatsProvider provider) {
this.ejbPoolStatsProvider = provider;
if (! isMonitoringOff()) {
registerPoolStats();
}
}
public StatefulSessionStoreMonitor registerProvider(
MonitorableSFSBStoreManager provider, boolean isHAStore)
{
this.sfsbStoreStatsProvider = provider;
this.isHAStore = isHAStore;
if (isHAStore) {
this.sfsbStoreMonitor = new HAStatefulSessionStoreMonitor();
} else {
this.sfsbStoreMonitor = new StatefulSessionStoreMonitor();
}
if (! isMonitoringOff()) {
registerSFSBStoreStats();
}
return sfsbStoreMonitor;
}
public EJBMethodStatsManager getEJBMethodStatsManager() {
return this.ejbMethodStatsManager;
}
public void registerEJBMethods(Method[] methods, boolean prefixWithClassName) {
this.ejbMethodStatsManager.registerMethods(methods, prefixWithClassName);
if (isMonitoringHigh()) {
this.ejbMethodStatsManager.setMethodMonitorOn(true);
}
}
public void registerProvider(EJBTimedObjectStatsProvider provider) {
this.ejbTimedObjectStatsProvider = provider;
if (! isMonitoringOff()) {
registerTimedObjectStats();
}
}
//Methods for MonitoringLevelListener interface
public void setLevel(MonitoringLevel level) {}
public void changeLevel(MonitoringLevel from, MonitoringLevel to,
Stats type)
{
//No op. Deprecated
}
private boolean
isEJBType( final MonitoredObjectType type )
{
return
type == MonitoredObjectType.STATELESS_BEAN ||
type == MonitoredObjectType.STATEFUL_BEAN ||
type == MonitoredObjectType.ENTITY_BEAN ||
type == MonitoredObjectType.MESSAGE_DRIVEN_BEAN;
}
public void changeLevel(MonitoringLevel fromLevel,
MonitoringLevel toLevel, MonitoredObjectType type)
{
if ( isEJBType(type) ) {
synchronized (this) {
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] Level "
+ "changed from: "
+ monitoringLevelAsString(currentMonitoringLevel)
+ " to: "
+ monitoringLevelAsString(toLevel));
}
this.currentMonitoringLevel = toLevel;
if (toLevel == MonitoringLevel.OFF) {
deregisterPoolStats();
deregisterCacheStats();
ejbMethodStatsManager.setMethodMonitorOn(false);
deregisterSFSBStoreStats();
deregisterContainerStats();
deregisterTimedObjectStats();
} else {
registerContainerStats();
registerPoolStats();
registerCacheStats();
registerSFSBStoreStats();
ejbMethodStatsManager.setMethodMonitorOn(
toLevel == MonitoringLevel.HIGH);
registerTimedObjectStats();
}
}
}
}
public void undeploy() {
try {
deregisterPoolStats();
deregisterCacheStats();
ejbMethodStatsManager.undeploy();
deregisterContainerStats();
deregisterSFSBStoreStats();
deregisterTimedObjectStats();
} finally {
ejbStatsProvider = null;
ejbCacheStatsProvider = null;
ejbPoolStatsProvider = null;
ejbMethodStatsManager = null;
sfsbStoreStatsProvider = null;
sfsbStoreMonitor = null;
ejbTimedObjectStatsProvider = null;
if (registry != null) registry.unregisterMonitoringLevelListener(this);
// TODO registry.unregisterMonitoringLevelListener(this);
}
}
/************** Internal methods ********************/
private void registerContainerStats() {
if ((ejbStatsProvider == null) || (this.ejbStatsImpl != null)) {
return;
}
try {
switch (containerType) {
case STATELESS_CONTAINER_TYPE:
StatelessSessionBeanStatsImpl slsbImpl =
new StatelessSessionBeanStatsImpl(
(StatelessSessionBeanStatsProvider) ejbStatsProvider);
registry.registerStatelessSessionBeanStats(slsbImpl,
ejbName, modName, appName, null);
this.ejbStatsImpl = slsbImpl;
break;
case STATEFUL_CONTAINER_TYPE:
StatefulSessionBeanStatsImpl sfsbImpl =
new StatefulSessionBeanStatsImpl(
(StatefulSessionBeanStatsProvider) ejbStatsProvider);
registry.registerStatefulSessionBeanStats(sfsbImpl,
ejbName, modName, appName, null);
this.ejbStatsImpl = sfsbImpl;
break;
case ENTITY_CONTAINER_TYPE:
EntityBeanStatsImpl entityImpl =
new EntityBeanStatsImpl(
(EntityBeanStatsProvider) ejbStatsProvider);
registry.registerEntityBeanStats(entityImpl,
ejbName, modName, appName, null);
this.ejbStatsImpl = entityImpl;
break;
case MESSAGE_CONTAINER_TYPE:
MessageDrivenBeanStatsImpl mdbImpl =
new MessageDrivenBeanStatsImpl(
(MessageDrivenBeanStatsProvider) ejbStatsProvider);
registry.registerMessageDrivenBeanStats(mdbImpl,
ejbName, modName, appName, null);
this.ejbStatsImpl = mdbImpl;
break;
}
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] registered "
+ " container stats for " + appName
+ "; " + modName + "; " + ejbName);
}
} catch (MonitoringRegistrationException monRegEx) {
ejbStatsImpl = null;
_logger.log(Level.WARNING,
"base.stats.mediator.ejb.register.monreg.error", logParams);
_logger.log(Level.FINE, "", monRegEx);
} catch (Exception ex) {
ejbStatsImpl = null;
_logger.log(Level.WARNING,
"base.stats.mediator.ejb.register.error", logParams);
_logger.log(Level.FINE, "", ex);
}
}
private void deregisterContainerStats() {
try {
if (ejbStatsImpl != null) {
switch (containerType) {
case STATELESS_CONTAINER_TYPE:
registry.unregisterStatelessSessionBeanStats(
ejbName, modName, appName);
break;
case STATEFUL_CONTAINER_TYPE:
registry.unregisterStatefulSessionBeanStats(
ejbName, modName, appName);
break;
case ENTITY_CONTAINER_TYPE:
registry.unregisterEntityBeanStats(
ejbName, modName, appName);
break;
case MESSAGE_CONTAINER_TYPE:
registry.unregisterMessageDrivenBeanStats(
ejbName, modName, appName);
break;
}
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] unregistered "
+ " container stats for " + appName
+ "; " + modName + "; " + ejbName);
}
}
} catch (MonitoringRegistrationException monRegEx) {
_logger.log(Level.WARNING,
"base.stats.mediator.ejb.unregister.monreg.error", logParams);
_logger.log(Level.FINE, "", monRegEx);
} catch (Exception ex) {
_logger.log(Level.WARNING,
"base.stats.mediator.ejb.unregister.error", logParams);
_logger.log(Level.FINE, "", ex);
} finally {
ejbStatsImpl = null;
}
}
private void registerPoolStats() {
if ((ejbPoolStatsProvider != null) && (ejbPoolStatsImpl == null)) {
try {
ejbPoolStatsImpl = new EJBPoolStatsImpl(ejbPoolStatsProvider);
registry.registerEJBPoolStats(ejbPoolStatsImpl,
ejbType, ejbName, modName, appName, null);
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] registered "
+ " pool stats for " + appName
+ "; " + modName + "; " + ejbName);
}
} catch (MonitoringRegistrationException monRegEx) {
ejbPoolStatsImpl = null;
_logger.log(Level.WARNING,
"base.stats.mediator.pool.register.monreg.error", logParams);
_logger.log(Level.FINE, "", monRegEx);
} catch (Exception ex) {
ejbPoolStatsImpl = null;
_logger.log(Level.WARNING,
"base.stats.mediator.pool.register.error", logParams);
_logger.log(Level.FINE, "", ex);
}
}
}
private void registerCacheStats() {
if ((ejbCacheStatsProvider != null) && (ejbCacheStatsImpl == null)) {
try {
ejbCacheStatsImpl = new EJBCacheStatsImpl(ejbCacheStatsProvider);
registry.registerEJBCacheStats(ejbCacheStatsImpl,
ejbType, ejbName, modName, appName, null);
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] registered "
+ " cache stats for " + appName
+ "; " + modName + "; " + ejbName);
}
} catch (MonitoringRegistrationException monRegEx) {
ejbCacheStatsImpl = null;
_logger.log(Level.WARNING,
"base.stats.mediator.cache.register.monreg.error", logParams);
_logger.log(Level.FINE, "", monRegEx);
} catch (Exception ex) {
ejbCacheStatsImpl = null;
_logger.log(Level.WARNING,
"base.stats.mediator.cache.register.error", logParams);
_logger.log(Level.FINE, "", ex);
}
}
}
private void registerSFSBStoreStats() {
if (sfsbStoreMonitor != null) {
StatefulSessionStoreStatsImpl statsImpl = null;
statsImpl = (isHAStore)
? new HAStatefulSessionStoreStatsImpl(sfsbStoreStatsProvider)
: new StatefulSessionStoreStatsImpl(sfsbStoreStatsProvider);
sfsbStoreMonitor.setDelegate(statsImpl);
//FIXME: registry.registerStatefulSessionStoreStats(statsImpl);
sfsbStoreStatsProvider.monitoringLevelChanged(true);
}
}
private void registerTimedObjectStats() {
if (ejbTimedObjectStatsProvider != null) {
ejbTimedObjectStatsProvider.monitoringLevelChanged(true);
if (ejbTimedObjectStatsImpl == null) {
try {
ejbTimedObjectStatsImpl =
new EJBTimedObjectStatsImpl(
ejbTimedObjectStatsProvider );
registry.registerTimerStats(ejbTimedObjectStatsImpl,
ejbType, ejbName, modName, appName, null);
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] registered "
+ " timed Object stats for " + appName
+ "; " + modName + "; " + ejbName);
}
} catch (MonitoringRegistrationException monRegEx) {
ejbTimedObjectStatsImpl = null;
_logger.log(Level.WARNING,
"base.stats.mediator.timedObject.register.monreg.error", logParams);
_logger.log(Level.FINE, "", monRegEx);
} catch (Exception ex) {
ejbTimedObjectStatsImpl = null;
_logger.log(Level.WARNING,
"base.stats.mediator.timedObject.register.error", logParams);
_logger.log(Level.FINE, "", ex);
}
}
}
}
private void deregisterPoolStats() {
if ((ejbPoolStatsProvider != null) && (ejbPoolStatsImpl != null)) {
try {
registry.unregisterEJBPoolStats( ejbType, ejbName, modName, appName);
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] unregistered "
+ " pool stats for " + appName
+ "; " + modName + "; " + ejbName);
}
} catch (MonitoringRegistrationException monRegEx) {
_logger.log(Level.WARNING,
"base.stats.mediator.pool.unregister.monreg.error", logParams);
_logger.log(Level.FINE, "", monRegEx);
} catch (Exception ex) {
_logger.log(Level.WARNING,
"base.stats.mediator.pool.unregister.error", logParams);
_logger.log(Level.FINE, "", ex);
} finally {
ejbPoolStatsImpl = null;
}
}
}
private void deregisterCacheStats() {
if ((ejbCacheStatsProvider != null) && (ejbCacheStatsImpl != null)) {
try {
registry.unregisterEJBCacheStats( ejbType, ejbName, modName, appName);
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] unregistered "
+ " cache stats for " + appName
+ "; " + modName + "; " + ejbName);
}
} catch (MonitoringRegistrationException monRegEx) {
_logger.log(Level.WARNING,
"base.stats.mediator.cache.unregister.monreg.error", logParams);
_logger.log(Level.FINE, "", monRegEx);
} catch (Exception ex) {
_logger.log(Level.WARNING,
"base.stats.mediator.cache.unregister.error", logParams);
_logger.log(Level.FINE, "", ex);
} finally {
ejbCacheStatsImpl = null;
}
}
}
private void deregisterSFSBStoreStats() {
//FIXME: registry.unregisterStatefulSessionStoreStats(ejbName, modName, appName);
if (sfsbStoreMonitor != null) {
sfsbStoreStatsProvider.monitoringLevelChanged(false);
sfsbStoreMonitor.setDelegate(null);
}
}
private void deregisterTimedObjectStats() {
if ((ejbTimedObjectStatsProvider != null) && (ejbTimedObjectStatsImpl != null)) {
try {
ejbTimedObjectStatsProvider.monitoringLevelChanged(false);
registry.unregisterTimerStats( ejbType, ejbName, modName, appName);
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] unregistered "
+ " timed Object stats for " + appName
+ "; " + modName + "; " + ejbName);
}
} catch (MonitoringRegistrationException monRegEx) {
_logger.log(Level.WARNING,
"base.stats.mediator.timedObject.unregister.monreg.error", logParams);
_logger.log(Level.FINE, "", monRegEx);
} catch (Exception ex) {
_logger.log(Level.WARNING,
"base.stats.mediator.timedObject.unregister.error", logParams);
_logger.log(Level.FINE, "", ex);
} finally {
ejbTimedObjectStatsImpl = null;
}
}
}
public void logMonitoredComponentsData(boolean logMethodData) {
StringBuffer sbuf = new StringBuffer();
sbuf.append("[BEGIN Container-Stats: ").append(ejbName).append("]");
ejbStatsProvider.appendStats(sbuf);
if (ejbCacheStatsProvider != null) {
ejbCacheStatsProvider.appendStats(sbuf);
}
if (ejbPoolStatsProvider != null) {
ejbPoolStatsProvider.appendStats(sbuf);
}
if (logMethodData) {
ejbMethodStatsManager.appendStats(sbuf);
}
if (ejbTimedObjectStatsProvider != null) {
ejbTimedObjectStatsProvider.appendStats(sbuf);
}
if (sfsbStoreMonitor != null) {
sbuf.append((isHAStore ? "[HASFSBStore ": "[SFSBStore "));
sfsbStoreMonitor.appendStats(sbuf);
sfsbStoreStatsProvider.appendStats(sbuf);
sbuf.append("]");
}
sbuf.append("[END Container-Stats: ").append(ejbName).append("]");
_logger.log(Level.INFO, sbuf.toString());
}
private final synchronized MonitoringLevel getCurrentMonitoringLevel() {
MonitoringLevel level = MonitoringLevel.OFF;
/*TODO
try {
Config cfg = ServerBeansFactory.getConfigBean(ApplicationServer.
getServerContext().getConfigContext());
String levelStr = cfg.getMonitoringService().
getModuleMonitoringLevels().getEjbContainer();
level = MonitoringLevel.instance(levelStr);
} catch (ConfigException configEx) {
_logger.log(Level.WARNING, "ejb_base_stats_mediator_configex",
configEx);
}
*/
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "[MonitoringMediator] currentLevel: "
+ monitoringLevelAsString(level));
}
return level;
}
private final synchronized boolean isMonitoringOff() {
return (this.currentMonitoringLevel == MonitoringLevel.OFF);
}
private final synchronized boolean isMonitoringLow() {
return (this.currentMonitoringLevel == MonitoringLevel.LOW);
}
private final synchronized boolean isMonitoringHigh() {
return (this.currentMonitoringLevel == MonitoringLevel.HIGH);
}
private static final String monitoringLevelAsString(MonitoringLevel level) {
if (level == MonitoringLevel.OFF) {
return "OFF";
} else if (level == MonitoringLevel.HIGH) {
return "HIGH";
} else {
return "LOW";
}
}
}
Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish MonitoringRegistryMediator.java source code file: |
The search page
Other Glassfish source code examples at this package level
Click here to learn more about this project
