/*
* Jopr Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program 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 General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.plugins.jbosscache;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.pluginapi.inventory.DiscoveredResourceDetails;
import org.rhq.core.pluginapi.inventory.ResourceContext;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryContext;
import org.rhq.plugins.jbossas.JBossASServerComponent;
import org.rhq.plugins.jmx.JMXComponent;
import org.rhq.plugins.jmx.MBeanResourceDiscoveryComponent;
/**
* Discover JBossCache instances. The only way to detect them are to
* look for "*:cache-interceptor=CacheMgmtInterceptor,*" or "*:treecache-interceptor=CacheMgmtInterceptor,*"
* This is done in {@link MBeanResourceDiscoveryComponent}. We postprocess the result here to
* get the base MBean name (without the property for detection) to be able to use this later and also
* for display purposes, as this is the MBean name the user set up in his MBean.
*
* @author Heiko W. Rupp
*/
public class JBossCacheDiscoveryComponent extends MBeanResourceDiscoveryComponent<JMXComponent<?>> {
private static final Log log = LogFactory.getLog(JBossCacheDiscoveryComponent.class);
/* (non-Javadoc)
* @see org.rhq.core.pluginapi.inventory.ResourceDiscoveryComponent#discoverResources(org.rhq.core.pluginapi.inventory.ResourceDiscoveryContext)
*/
@Override
public Set<DiscoveredResourceDetails> discoverResources(ResourceDiscoveryContext<JMXComponent<?>> context) {
ResourceContext parentCtx = context.getParentResourceContext();
if (!(parentCtx.getParentResourceComponent() instanceof JMXComponent)) {
return Collections.emptySet();
}
JMXComponent<JBossASServerComponent<?>> gparentComponent = (JMXComponent<JBossASServerComponent<?>>) parentCtx.getParentResourceComponent();
Set<DiscoveredResourceDetails> discovered = super.performDiscovery(context.getDefaultPluginConfiguration(), gparentComponent, context.getResourceType(), false);
Set<DiscoveredResourceDetails> results = new HashSet<DiscoveredResourceDetails>(discovered.size());
// Normalize the base object names from the key
for (DiscoveredResourceDetails detail : discovered) {
boolean isTreeCache = false;
String key = detail.getResourceKey();
if (key.contains("treecache-interceptor="))
isTreeCache = true;
try {
ObjectName on = ObjectName.getInstance(key);
key = on.getDomain();
key += ":";
Set<String> propKeys = on.getKeyPropertyList().keySet();
for (String prop : propKeys) {
if (!(prop.contains("cache"))) {
key += prop + "=" + on.getKeyProperty(prop);
key += ",";
}
}
if (key.endsWith(","))
key = key.substring(0, key.length() - 1);
if (log.isDebugEnabled())
log.debug("Translated " + detail.getResourceKey() + " to " + key);
detail.setResourceKey(key);
detail.setResourceName(key);
String descr = "";
if (isTreeCache)
descr = "Tree";
descr += "Cache at " + key;
detail.setResourceDescription(descr);
Configuration pluginConfiguration = detail.getPluginConfiguration();
PropertySimple onProp = pluginConfiguration.getSimple("objectName");
onProp.setStringValue(key);
PropertySimple isTC = new PropertySimple("isTreeCache", isTreeCache);
pluginConfiguration.put(isTC);
results.add(detail);
} catch (MalformedObjectNameException e) {
log.warn("Invalid obectname : " + key);
}
}
return results;
}
}