/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.jboss.varia.stats.report;
import org.jboss.system.ServiceMBeanSupport;
import org.jboss.varia.stats.TxStatistics;
import javax.management.ObjectName;
import java.util.Iterator;
/**
* @jmx:mbean extends="org.jboss.system.ServiceMBean"
*
* @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
* @version <tt>$Revision: 81038 $</tt>
*/
public abstract class ReportGenerator
extends ServiceMBeanSupport
implements ReportGeneratorMBean
{
protected ObjectName statsCollector;
protected String name;
protected String description;
/**
* @jmx.managed-attribute
*/
public void setName(String name)
{
this.name = name;
}
/**
* @jmx.managed-attribute
*/
public String getName()
{
return name;
}
/**
* @jmx.managed-attribute
*/
public void setDescription(String description)
{
this.description = description;
}
/**
* @jmx.managed-attribute
*/
public String getDescription()
{
return description;
}
/**
* @jmx.managed-attribute
*/
public void setStatsCollector(ObjectName statsCollector)
{
this.statsCollector = statsCollector;
}
/**
* @jmx.managed-attribute
*/
public ObjectName getStatsCollector()
{
return statsCollector;
}
public void startService() throws Exception
{
try
{
server.invoke(
statsCollector,
"registerReportGenerator",
new Object[]{this},
new String[]{ReportGenerator.class.getName()});
}
catch(Exception e)
{
log.error("Failed to register report generator.");
throw e;
}
}
public void stopService() throws Exception
{
try
{
server.invoke(statsCollector,
"unregisterReportGenerator",
new Object[]{this},
new String[]{ReportGenerator.class.getName()});
}
catch(Exception e)
{
log.error("Failed to unregister report generator.");
throw e;
}
}
/**
* @jmx.managed-operation
*/
public String generate(String reportName) throws Exception
{
StringBuffer content = new StringBuffer();
content.append("<a href='HtmlAdaptor?")
.append("action=invokeOpByName&name=")
.append(statsCollector)
.append("&methodName=reports")
.append("'>Back to report list</a>");
content(reportName, content);
return content.toString();
}
// Protected
protected abstract void content(String reportName, StringBuffer buf) throws Exception;
protected Iterator getReportsIterator()
throws Exception
{
try
{
return (Iterator) server.invoke(statsCollector, "reportsIterator", new Object[]{}, new String[]{});
}
catch(Exception e)
{
log.error("Failed to invoke getReportsIterator() operation.");
throw e;
}
}
protected TxStatistics getTxStatistics()
throws Exception
{
try
{
return (TxStatistics) server.invoke(statsCollector, "txStatistics", new Object[]{}, new String[]{});
}
catch(Exception e)
{
log.error("Failed to invoke getTxStatistics() operation.");
throw e;
}
}
}