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Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2012 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.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
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*/
package com.sun.enterprise.resource.pool.monitor;
import com.sun.enterprise.config.serverbeans.*;
import com.sun.logging.LogDomains;
import org.glassfish.server.ServerEnvironmentImpl;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.api.PreDestroy;
import javax.inject.Singleton;
import org.jvnet.hk2.config.*;
import java.beans.PropertyChangeEvent;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.inject.Inject;
@Service
@Singleton
public class PoolMonitoringLevelListener implements PostConstruct, PreDestroy, ConfigListener {
@Inject
private ServerEnvironmentImpl serverEnvironment;
@Inject
private Domain domain;
private ModuleMonitoringLevels monitoringLevel;
private boolean jdbcPoolMonitoringEnabled ;
private boolean connectorPoolMonitoringEnabled;
private static final Logger _logger = LogDomains.getLogger(PoolMonitoringLevelListener.class, LogDomains.RSR_LOGGER);
public void postConstruct() {
String instanceName = serverEnvironment.getInstanceName();
Server server = domain.getServerNamed(instanceName);
Config config = server.getConfig();
if (config != null) {
MonitoringService monitoringService = config.getMonitoringService();
if (monitoringService != null) {
ModuleMonitoringLevels monitoringLevel = monitoringService.getModuleMonitoringLevels();
if (monitoringLevel != null) {
this.monitoringLevel = monitoringLevel;
ObservableBean bean = (ObservableBean) ConfigSupport.getImpl((ConfigBeanProxy) monitoringLevel);
bean.addListener(this);
jdbcPoolMonitoringEnabled = !monitoringLevel.getJdbcConnectionPool().equalsIgnoreCase("OFF");
connectorPoolMonitoringEnabled = !monitoringLevel.getConnectorConnectionPool().equalsIgnoreCase("OFF");
}
}
}
}
public void preDestroy() {
if(monitoringLevel != null){
ObservableBean bean = (ObservableBean) ConfigSupport.getImpl((ConfigBeanProxy)monitoringLevel);
bean.removeListener(this);
}
}
public UnprocessedChangeEvents changed(PropertyChangeEvent[] events) {
return ConfigSupport.sortAndDispatch(events, new PropertyChangeHandler(events), _logger);
}
class PropertyChangeHandler implements Changed {
private PropertyChangeHandler(PropertyChangeEvent[] events) {
}
/**
* Notification of a change on a configuration object
*
* @param type type of change : ADD mean the changedInstance was added to the parent
* REMOVE means the changedInstance was removed from the parent, CHANGE means the
* changedInstance has mutated.
* @param changedType type of the configuration object
* @param changedInstance changed instance.
*/
public NotProcessed changed(TYPE type, Class changedType, T changedInstance) {
NotProcessed np = null;
switch (type) {
case CHANGE:
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("A " + changedType.getName() + " was changed : " + changedInstance);
}
np = handleChangeEvent(changedInstance);
break;
default:
}
return np;
}
private NotProcessed handleChangeEvent(T instance) {
NotProcessed np = null;
if(instance instanceof ModuleMonitoringLevels){
ModuleMonitoringLevels mml = (ModuleMonitoringLevels)instance;
connectorPoolMonitoringEnabled = !mml.getConnectorConnectionPool().equalsIgnoreCase("OFF");
jdbcPoolMonitoringEnabled = !mml.getJdbcConnectionPool().equalsIgnoreCase("OFF");
}
return np;
}
}
public boolean getJdbcPoolMonitoringEnabled(){
return jdbcPoolMonitoringEnabled;
}
public boolean getConnectorPoolMonitoringEnabled(){
return connectorPoolMonitoringEnabled;
}
}