/**
* EasyBeans
* Copyright (C) 2006-2008 Bull S.A.S.
* Contact: easybeans@ow2.org
*
* This library 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 any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* --------------------------------------------------------------------------
* $Id: J2EEManagedObjectMBean.java 5369 2010-02-24 14:58:19Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.easybeans.jsr77;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanException;
import javax.management.RuntimeOperationsException;
import javax.management.modelmbean.InvalidTargetObjectTypeException;
import org.ow2.easybeans.api.EZBJ2EEManagedObject;
import org.ow2.easybeans.component.itf.EZBJmxComponent;
import org.ow2.util.jmx.impl.BaseModelMBeanExt;
import org.ow2.util.log.Log;
import org.ow2.util.log.LogFactory;
/**
* J2EEManagedObject MBean Base.
* @author Guillaume Sauthier
* @param <T> ManagedObject type
*/
public class J2EEManagedObjectMBean<T extends EZBJ2EEManagedObject> extends BaseModelMBeanExt {
/**
* Logger.
*/
private static Log logger = LogFactory.getLog(J2EEManagedObjectMBean.class);
/**
* Is the MBean an Event Provider ? (Optionnal support)
*/
private static final boolean IS_EVENT_PROVIDER = false;
/**
* Is the MBean a Statistics Provider ? (Optionnal support)
*/
private static final boolean IS_STATISTICS_PROVIDER = false;
/**
* Is the MBean State Manageable ? (Optionnal support)
*/
private static final boolean IS_STATE_MANAGEABLE = false;
/**
* Create the mbean.
* @throws MBeanException if the super constructor fails.
*/
public J2EEManagedObjectMBean() throws MBeanException {
super();
}
/**
* @return the deployer (managed object)
*/
@SuppressWarnings("unchecked")
protected T getManagedComponent() {
T deployer = null;
try {
deployer = (T) getManagedResource();
} catch (InstanceNotFoundException e) {
throw new IllegalStateException("Cannot get the managed resource of the MBean", e);
} catch (RuntimeOperationsException e) {
throw new IllegalStateException("Cannot get the managed resource of the MBean", e);
} catch (MBeanException e) {
throw new IllegalStateException("Cannot get the managed resource of the MBean", e);
} catch (InvalidTargetObjectTypeException e) {
throw new IllegalStateException("Cannot get the managed resource of the MBean", e);
}
return deployer;
}
/**
* @return Returns true is the MBean can manage its state.
*/
public boolean isStateManageable() {
return IS_STATE_MANAGEABLE;
}
/**
* @return Returns true if this MBean can provides JSR77 Statistics.
*/
public boolean isStatisticsProvider() {
return IS_STATISTICS_PROVIDER;
}
/**
* @return Returns true if this MBean can provides JSR77 Events.
*/
public boolean isEventProvider() {
return IS_EVENT_PROVIDER;
}
/**
* @return Returns the logger.
*/
protected static final Log getLogger() {
return logger;
}
@Override
public void postRegister(final Boolean registrationDone) {
EZBJmxComponent jmxComp = getManagedComponent().getComponent(EZBJmxComponent.class);
if (jmxComp != null) {
jmxComp.registerJ2EEManagedObject(getManagedComponent(), this);
}
}
@Override
public void preDeregister() throws Exception {
EZBJmxComponent jmxComp = getManagedComponent().getComponent(EZBJmxComponent.class);
if (jmxComp != null) {
jmxComp.unregisterJ2EEManagedObject(getManagedComponent());
}
}
/**
* Get the BaseModelMBeanExt id.
* @return The BaseModelMBeanExt id.
*/
@Override
public String getBaseModelMBeanExtId() {
return getManagedComponent().getJ2EEManagedObjectId();
}
}