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package com.sun.enterprise.management.base;
import java.io.IOException;
import javax.management.ObjectName;
import javax.management.Notification;
import javax.management.NotificationListener;
import javax.management.AttributeChangeNotification;
import javax.management.JMException;
import javax.management.MBeanServerConnection;
import com.sun.appserv.management.base.Util;
import com.sun.enterprise.management.support.TestDummy;
import com.sun.enterprise.management.support.TestDummyMBean;
import com.sun.enterprise.management.util.jmx.JMXTestBase;
/**
*/
public final class NotificationPerformanceTest extends JMXTestBase
{
// built-into server already
private static final String IMPL_CLASSNAME = TestDummy.class.getName();
public
NotificationPerformanceTest( )
{
}
private ObjectName
createTestDummy( final String name )
throws JMException, IOException
{
ObjectName objectName =
Util.newObjectName( "NotificationPerformanceTest:name=" + name );
final MBeanServerConnection conn = getMBeanServerConnection();
if ( ! conn.isRegistered( objectName ) )
{
objectName =
conn.createMBean( IMPL_CLASSNAME, objectName ).getObjectName();
}
return objectName;
}
public void
testNotificationPerformance()
throws JMException, IOException
{
final ObjectName objectName = createTestDummy( "testNotificationPerformance" );
final TestDummyMBean test = newProxy( objectName, TestDummyMBean.class );
final int ITER = 10;
final int COUNT = 1024 * 1024;
for( int iter = 0; iter < ITER; ++iter )
{
final long elapsed =
test.emitNotifications( "NotificationPerformanceTest.test", COUNT );
final float rate = (elapsed == 0) ? (float)0.0 : (1000 * ((float)COUNT / (float)elapsed));
final String rateString = (elapsed == 0) ? "N/A" : "" + (int)rate;
System.out.println( "Millis to emit " + COUNT + " Notifications: " + elapsed +
" = " + rateString + " notifications/sec" );
}
}
}