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/*
* Copyright 2005-2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
package com.sun.mfwk.agent.appserv.relation;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.w3c.dom.Element;
import javax.management.ObjectName;
import javax.management.MBeanServerConnection;
import com.sun.mfwk.agent.appserv.connection.ConnectionRegistry;
import com.sun.mfwk.agent.appserv.logging.LogDomains;
import com.sun.mfwk.agent.appserv.modeler.ObjectNameHelper;
import com.sun.mfwk.relations.Relation;
import com.sun.mfwk.agent.appserv.relation.RelationModeler;
import com.sun.mfwk.relations.Relation;
import com.sun.mfwk.relations.RelationServiceImpl;
import com.sun.mfwk.agent.appserv.connection.ConnectionRegistry;
import com.sun.mfwk.agent.appserv.util.Constants;
import javax.management.ObjectName;
import javax.management.MalformedObjectNameException;
import javax.management.MBeanServerConnection;
/*
* Handler to handle cluster relationsships
*/
public class ClusterHandler implements RelationMappingHandler {
/**
* Creates relations between cluster and its instances.
* Queries DAS on app server to get list of instances.
*/
public void relationHandler(Element elem, ObjectName ON,
RelationMappingService rms, RelationModeler rm) throws Exception {
Logger logger = LogDomains.getLogger();
// application server domain
String domain = (String) rms.getProperty(Constants.DOMAIN_NAME_PROP);
ConnectionRegistry registry = ConnectionRegistry.getInstance();
MBeanServerConnection connection =
registry.getConnection(Constants.ADMIN_SERVER_NAME, domain);
RelationFactory rf = new RelationFactory(rm.getContext());
ObjectName[] instances =
(ObjectName[])connection.invoke(
new ObjectName("com.sun.appserv:type=cluster,name="
+ ON.getKeyProperty("name") + ",category=config"),
"listServerInstances", null, null);
for (int i = 0; i<instances.length; i++) {
logger.finest("Adding cluster-instance relation for instance "
+ instances[i]);
String instanceName = instances[i].getKeyProperty("name");
try {
MBeanServerConnection con =
registry.getConnection(instanceName, domain);
} catch (Exception ex) {
continue;
}
String dest = "com.sun.cmm.as:type=CMM_J2eeServer,domain=" +
ON.getKeyProperty("domain")
+ ",name=" + instances[i].getKeyProperty("name") ;
// get CMM object name for this instance
Relation relation =
rf.create(ON.toString(), dest, rms.getType(elem), true);
// add the newly created relation
if (relation != null) {
RelationServiceImpl.getRelationService().addRelation(relation);
}
}
}
}