/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. 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.jopr.infinispan;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import org.mc4j.ems.connection.EmsConnection;
import org.mc4j.ems.connection.bean.EmsBean;
import org.mc4j.ems.connection.bean.attribute.EmsAttribute;
import org.mc4j.ems.connection.bean.operation.EmsOperation;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.measurement.AvailabilityType;
import org.rhq.core.domain.measurement.MeasurementDataNumeric;
import org.rhq.core.domain.measurement.MeasurementReport;
import org.rhq.core.domain.measurement.MeasurementScheduleRequest;
import org.rhq.core.pluginapi.inventory.ResourceComponent;
import org.rhq.core.pluginapi.inventory.ResourceContext;
import org.rhq.core.pluginapi.measurement.MeasurementFacet;
import org.rhq.core.pluginapi.operation.OperationFacet;
import org.rhq.core.pluginapi.operation.OperationResult;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
/**
* Component class for Caches within Infinispan
*
* @author Heiko W. Rupp
*/
public class CacheComponent implements ResourceComponent<InfinispanComponent>, MeasurementFacet, OperationFacet {
private final Log log = LogFactory.getLog(this.getClass());
/**
* Map to match an abbreviation for the MBean to the full MBean name
*/
private static final Map<String, String> abbrevToMBean = new HashMap<String, String>();
static {
abbrevToMBean.put("Statistics", "Statistics");
abbrevToMBean.put("LockManager", "LockManager");
abbrevToMBean.put("Transactions", "Transactions");
}
private ResourceContext<InfinispanComponent> context;
/**
* The naming pattern of the current bean without the actual bean name
*/
private String myNamePattern;
/**
* Return availability of this resource
*
* @see org.rhq.core.pluginapi.inventory.ResourceComponent#getAvailability()
*/
public AvailabilityType getAvailability() {
// TODO does a cache have a lifecycle of its own?
return context.getParentResourceComponent().getAvailability();
}
/**
* Start the resource connection
*
* @see org.rhq.core.pluginapi.inventory.ResourceComponent#start(org.rhq.core.pluginapi.inventory.ResourceContext)
*/
public void start(ResourceContext<InfinispanComponent> context) throws Exception {
this.context = context;
//
myNamePattern = context.getResourceKey();
myNamePattern = myNamePattern.substring(0, myNamePattern.indexOf("jmx-resource=") + 13);
}
/**
* Tear down the rescource connection
*
* @see org.rhq.core.pluginapi.inventory.ResourceComponent#stop()
*/
public void stop() {
}
/**
* Gather measurement data
*
* @see org.rhq.core.pluginapi.measurement.MeasurementFacet#getValues(org.rhq.core.domain.measurement.MeasurementReport,
* java.util.Set)
*/
public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> metrics) throws Exception {
EmsConnection conn = getConnection();
for (MeasurementScheduleRequest req : metrics) {
String metric = req.getName();
try {
String abbrev = metric.substring(0, metric.indexOf("."));
String mbean = abbrevToMBean.get(abbrev);
mbean = myNamePattern + mbean;
EmsBean bean = conn.getBean(mbean);
bean.refreshAttributes();
String attName = metric.substring(metric.indexOf(".") + 1);
EmsAttribute att = bean.getAttribute(attName);
// Attribute values are of various data types ...
Object o = att.getValue();
Class type = att.getTypeClass();
if (type.equals(Long.class) || type.equals(long.class)) {
Long tmp = (Long) o;
MeasurementDataNumeric res = new MeasurementDataNumeric(req, Double.valueOf(tmp));
report.addData(res);
} else if (type.equals(Double.class) || type.equals(double.class)) {
Double tmp = (Double) o;
MeasurementDataNumeric res = new MeasurementDataNumeric(req, tmp);
report.addData(res);
} else if (type.equals(Integer.class) || type.equals(int.class)) {
Integer tmp = (Integer) o;
MeasurementDataNumeric res = new MeasurementDataNumeric(req, Double.valueOf(tmp));
report.addData(res);
}
}
catch (Exception e) {
log.warn("getValues failed for " + metric + " : ", e);
}
}
}
/**
* Invoke operations on the Cache MBean instance
*
* @param name Name of the operation
* @param parameters Parameters of the Operation
* @return OperationResult object if successful
* @throws Exception If operation was not successful
*/
public OperationResult invokeOperation(String name,
Configuration parameters) throws Exception {
EmsConnection conn = getConnection();
String abbrev = name.substring(0, name.indexOf("."));
String mbean = abbrevToMBean.get(abbrev);
mbean = myNamePattern + mbean;
EmsBean bean = conn.getBean(mbean);
String opName = name.substring(name.indexOf(".") + 1);
EmsOperation ops = bean.getOperation(opName);
if (ops != null)
ops.invoke(new Object[]{});
else
throw new Exception("Operation " + name + " can't be found");
return new OperationResult();
}
private EmsConnection getConnection() {
return context.getParentResourceComponent().getConnection();
}
}