/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.jmx;
import org.infinispan.CacheException;
import org.infinispan.factories.AbstractComponentRegistry;
import org.infinispan.factories.ComponentRegistry;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* Registers a set of components on an MBean server.
*
* @author Mircea.Markus@jboss.com
* @author Galder Zamarreño
* @since 4.0
*/
public class ComponentsJmxRegistration {
private static final Log log = LogFactory.getLog(ComponentsJmxRegistration.class);
private MBeanServer mBeanServer;
private String jmxDomain;
private String groupName;
private Set<AbstractComponentRegistry.Component> components;
public static String COMPONENT_KEY = "component";
public static String NAME_KEY = "name";
/**
* C-tor.
*
* @param mBeanServer the server where mbeans are being registered
* @param components components
* @param groupName name of jmx group name
* @see java.lang.management.ManagementFactory#getPlatformMBeanServer()
* @see <a href="http://java.sun.com/j2se/1.5.0/docs/guide/management/mxbeans.html#mbean_server">platform
* MBeanServer</a>
*/
public ComponentsJmxRegistration(MBeanServer mBeanServer, Set<AbstractComponentRegistry.Component> components, String groupName) {
this.mBeanServer = mBeanServer;
this.components = components;
this.groupName = groupName;
}
public void setJmxDomain(String jmxDomain) {
this.jmxDomain = jmxDomain;
}
/**
* Performs the MBean registration.
*/
public void registerMBeans() throws CacheException {
try {
List<ResourceDMBean> resourceDMBeans = getResourceDMBeansFromComponents();
for (ResourceDMBean resource : resourceDMBeans)
JmxUtil.registerMBean(resource, getObjectName(resource), mBeanServer);
}
catch (Exception e) {
throw new CacheException("Failure while registering mbeans", e);
}
}
/**
* Unregisters all the MBeans registered through {@link #registerMBeans()}.
*/
public void unregisterMBeans() throws CacheException {
log.trace("Unregistering jmx resources..");
try {
List<ResourceDMBean> resourceDMBeans = getResourceDMBeansFromComponents();
for (ResourceDMBean resource : resourceDMBeans) {
JmxUtil.unregisterMBean(getObjectName(resource), mBeanServer);
}
}
catch (Exception e) {
throw new CacheException("Failure while unregistering mbeans", e);
}
}
private List<ResourceDMBean> getResourceDMBeansFromComponents() {
List<ResourceDMBean> resourceDMBeans = new ArrayList<ResourceDMBean>();
for (ComponentRegistry.Component component : components) {
ResourceDMBean resourceDMBean = new ResourceDMBean(component.getInstance());
if (resourceDMBean.isManagedResource()) {
resourceDMBeans.add(resourceDMBean);
}
}
return resourceDMBeans;
}
private ObjectName getObjectName(ResourceDMBean resource) throws Exception {
return getObjectName(resource.getObjectName());
}
protected ObjectName getObjectName(String resourceName) throws Exception {
return new ObjectName(getObjectName(jmxDomain, groupName, resourceName));
}
public static String getObjectName(String jmxDomain, String groupName, String resourceName) {
return jmxDomain + ":" + groupName + "," + COMPONENT_KEY + "=" + resourceName;
}
}