/*
* 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.monitor;
import java.util.Collection;
import javax.management.JMException;
import org.jboss.monitor.client.BeanCacheSnapshot;
/**
* The JMX management interface for the {@link BeanCacheMonitor} MBean.
*
* @see Monitorable
* @author <a href="mailto:simone.bordet@compaq.com">Simone Bordet</a>
* @version $Revision: 81030 $
*/
public interface BeanCacheMonitorMBean
{
/**
* Returns the cache data at the call instant.
* @return null if a problem is encountered while sampling the cache,
*
* otherwise an array (possibly of size 0) with the cache data.
*/
BeanCacheSnapshot[] getSnapshots();
/**
* Describe <code>listSnapshots</code> method here.
* Returns as a collection, throws JMException on problem
*
* @return a <code>Collection</code> value
*/
Collection listSnapshots() throws JMException;
}