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package com.sun.enterprise.management.support;
import java.util.Map;
import java.util.HashMap;
import java.util.Collections;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanRegistrationException;
import javax.management.Notification;
import javax.management.NotificationListener;
import javax.management.MBeanServerNotification;
import com.sun.appserv.management.base.NotificationServiceMgr;
import com.sun.appserv.management.base.NotificationService;
import com.sun.appserv.management.base.XTypes;
import com.sun.appserv.management.base.AMX;
import com.sun.appserv.management.util.jmx.JMXUtil;
import com.sun.appserv.management.base.Util;
import com.sun.enterprise.management.support.UniqueIDGenerator;
/**
*/
public class NotificationServiceMgrImpl extends AMXImplBase
implements NotificationListener
{
private final Map<ObjectName,NotificationServiceImpl> mServices;
private final UniqueIDGenerator mUniqueIDs;
public
NotificationServiceMgrImpl()
{
mServices = Collections.synchronizedMap( new HashMap<ObjectName,NotificationServiceImpl>() );
mUniqueIDs = new UniqueIDGenerator( "notif-service-" );
}
public void
handleNotification(
final Notification notifIn,
final Object handback)
{
final String type = notifIn.getType();
// ensure that if a NotificationService is unregistered that we remove
// it from our list
if ( type.equals( MBeanServerNotification.UNREGISTRATION_NOTIFICATION) )
{
final MBeanServerNotification notif = (MBeanServerNotification)notifIn;
final ObjectName objectName = notif.getMBeanName();
if ( Util.getJ2EEType( objectName ).
equals( XTypes.NOTIFICATION_SERVICE ) )
{
mServices.remove( objectName );
}
}
}
public String
getGroup()
{
return( AMX.GROUP_UTILITY );
}
/*
public Map
getNotificationServiceObjectNameMap()
{
return( getContaineeObjectNameMap( XTypes.NOTIFICATION_SERVICE ) );
}
*/
public void
preRegisterDone()
throws Exception
{
JMXUtil.listenToMBeanServerDelegate( getMBeanServer(), this, null, null );
}
public ObjectName
createNotificationService(
final Object userData,
final int bufferSize )
{
final NotificationServiceImpl service =
new NotificationServiceImpl( userData, bufferSize );
final ObjectName self = getObjectName();
final String domain = self.getDomain();
final String childName = mUniqueIDs.createID().toString();
final String requiredProps =
Util.makeRequiredProps( XTypes.NOTIFICATION_SERVICE, childName );
final ObjectName tempName = JMXUtil.newObjectName( domain, requiredProps );
ObjectName objectName = null;
try
{
objectName = registerMBean( service, tempName );
mServices.put( objectName, service );
}
catch( Exception e )
{
throw new RuntimeException( e );
}
return( objectName );
}
public ObjectName
getNotificationServiceObjectName( final String name )
{
return( getContaineeObjectName( XTypes.NOTIFICATION_SERVICE, name ) );
}
public synchronized void
removeNotificationService( final String name )
throws InstanceNotFoundException
{
final ObjectName objectName = getNotificationServiceObjectName( name );
if ( objectName == null )
{
throw new IllegalArgumentException( name );
}
if ( ! mServices.containsKey( objectName ) )
{
throw new InstanceNotFoundException( objectName.toString() );
}
try
{
getMBeanServer().unregisterMBean( objectName );
}
catch( MBeanRegistrationException e )
{
throw new RuntimeException( e );
}
// remove it after unregistering it, in case an exception is thrown
mServices.remove( objectName );
}
}