jules 2004/01/04 07:21:37
Added: modules/clustering/src/java/org/apache/geronimo/clustering
NamedMBeanImpl.java
Log:
commit missing change from last set
further abstract out naming protocol for clustering MBeans
Revision Changes Path
1.1
incubator-geronimo/modules/clustering/src/java/org/apache/geronimo/clustering/NamedMBeanImpl.java
Index: NamedMBeanImpl.java
===================================================================
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Geronimo" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache",
* "Apache Geronimo", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* ====================================================================
*/
package org.apache.geronimo.clustering;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.geronimo.kernel.service.GeronimoAttributeInfo;
import org.apache.geronimo.kernel.service.GeronimoMBeanContext;
import org.apache.geronimo.kernel.service.GeronimoMBeanInfo;
import org.apache.geronimo.kernel.service.GeronimoMBeanTarget;
/**
* A base class containing fnality useful to Named MBeans of the
* Clustering module.
*
* @version $Revision: 1.1 $ $Date: 2004/01/04 15:21:37 $
*/
public abstract class
NamedMBeanImpl
extends MBeanImpl
{
protected Log _log=LogFactory.getLog(NamedMBeanImpl.class);
/**
* Returns the Node's unique identifier within it's Cluster.
*
* @return a <code>String</code> value
*/
public String getName() {return _objectName.getKeyProperty("name");}
//----------------------------------------
// GeronimoMBeanTarget
//----------------------------------------
public boolean
canStart()
{
if (!super.canStart()) return false;
if (_objectName.getKeyProperty("name")==null)
{
_log.warn("MBean name must contain a 'name' property");
return false;
}
return true;
}
public static GeronimoMBeanInfo
getGeronimoMBeanInfo()
{
GeronimoMBeanInfo mbeanInfo=MBeanImpl.getGeronimoMBeanInfo();
// set target class in concrete subclasses...
mbeanInfo.addAttributeInfo(new GeronimoAttributeInfo("Name", true, false,
"this Object's name"));
return mbeanInfo;
}
}
