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package com.sun.enterprise.management.base;
import java.util.Set;
import java.util.Map;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
import java.util.logging.Level;
import javax.management.ObjectName;
import javax.management.MBeanServerConnection;
import javax.management.AttributeList;
import javax.management.MBeanInfo;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanOperationInfo;
import javax.management.InstanceNotFoundException;
import javax.management.Notification;
import javax.management.NotificationListener;
import javax.management.AttributeChangeNotification;
import com.sun.appserv.management.base.AMX;
import com.sun.appserv.management.base.Util;
import com.sun.appserv.management.base.NotificationServiceMgr;
import com.sun.appserv.management.base.NotificationService;
import com.sun.appserv.management.helper.NotificationServiceHelper;
import com.sun.appserv.management.base.QueryMgr;
import com.sun.appserv.management.client.ProxyFactory;
import com.sun.enterprise.management.AMXTestBase;
import com.sun.enterprise.management.Capabilities;
/**
*/
public final class NotificationServiceTest extends AMXTestBase
{
public
NotificationServiceTest( )
{
}
public static Capabilities
getCapabilities()
{
return getOfflineCapableCapabilities( true );
}
public NotificationService
create()
{
final NotificationServiceMgr proxy = getNotificationServiceMgr();
return( proxy.createNotificationService( "test", 512 ) );
}
public void
testCreate()
throws Exception
{
final NotificationService proxy = create();
removeNotificationService( proxy );
}
public void
testGetFromEmpty()
throws Exception
{
final NotificationService proxy = create();
assert( proxy.getListeneeSet().size() == 0 );
final Object id = proxy.createBuffer( 10, null);
final Map<String,Object> result = proxy.getBufferNotifications( id, 0 );
final Notification[] notifs = (Notification[])result.get( proxy.NOTIFICATIONS_KEY );
assertEquals( 0, notifs.length );
}
private void
removeNotificationService( final NotificationService service )
throws InstanceNotFoundException
{
getNotificationServiceMgr().removeNotificationService( service.getName() );
}
private static final class MyListener implements NotificationListener
{
private final List<Notification> mReceived;
public MyListener()
{
mReceived = Collections.synchronizedList( new ArrayList<Notification>() );
}
public void
handleNotification( final Notification notif, final Object handback )
{
mReceived.add( notif );
}
public int
getCount()
{
return( mReceived.size() );
}
}
private static void
sleep( int duration )
{
try
{
Thread.sleep( duration );
}
catch( InterruptedException e )
{
}
}
public void
testListen()
throws Exception
{
final NotificationService proxy = create();
final QueryMgr queryMgr = getQueryMgr();
final ObjectName objectName = Util.getObjectName( queryMgr );
final Object id = proxy.createBuffer( 10, null);
final NotificationServiceHelper helper = new NotificationServiceHelper( proxy, id);
proxy.listenTo( objectName, null );
assert( proxy.getListeneeSet().size() == 1 );
assert( Util.getObjectName( (Util.asAMX(proxy.getListeneeSet().iterator().next())) ).equals( objectName ) );
final MyListener myListener = new MyListener();
proxy.addNotificationListener( myListener, null, null );
final Level saveLevel = queryMgr.getMBeanLogLevel();
queryMgr.setMBeanLogLevel( Level.INFO );
queryMgr.setMBeanLogLevel( saveLevel );
// delivery may be asynchronous; wait until done
while ( myListener.getCount() < 2 )
{
sleep( 20 );
}
assert( myListener.getCount() == 2 );
Notification[] notifs = helper.getNotifications();
assertEquals( 2, notifs.length );
assert( notifs[ 0 ].getType().equals( AttributeChangeNotification.ATTRIBUTE_CHANGE ) );
assert( notifs[ 1 ].getType().equals( AttributeChangeNotification.ATTRIBUTE_CHANGE ) );
notifs = helper.getNotifications();
assert( notifs.length == 0 );
proxy.dontListenTo( objectName );
assert( proxy.getListeneeSet().size() == 0 );
removeNotificationService( proxy );
}
}