public void testRegisterNotificationListenerWithHandback() throws Exception {
String objectName = "spring:name=Test";
JmxTestBean bean = new JmxTestBean();
Map<String, Object> beans = new HashMap<String, Object>();
beans.put(objectName, bean);
CountingAttributeChangeNotificationListener listener =
new CountingAttributeChangeNotificationListener();
Object handback = new Object();
NotificationListenerBean listenerBean = new NotificationListenerBean();
listenerBean.setNotificationListener(listener);
listenerBean.setMappedObjectName("spring:name=Test");
listenerBean.setHandback(handback);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(server);
exporter.setBeans(beans);
exporter.setNotificationListeners(new NotificationListenerBean[] {listenerBean});
exporter.afterPropertiesSet();
// update the attribute
String attributeName = "Name";
server.setAttribute(
ObjectNameManager.getInstance("spring:name=Test"),
new Attribute(attributeName, "Rob Harrop"));
assertEquals("Listener not notified", 1, listener.getCount(attributeName));
assertEquals(
"Handback object not transmitted correctly",
handback,
listener.getLastHandback(attributeName));
}
public void testRegisterNotificationListenerForAllMBeans() throws Exception {
ObjectName objectName = ObjectName.getInstance("spring:name=Test");
JmxTestBean bean = new JmxTestBean();
Map<String, Object> beans = new HashMap<String, Object>();
beans.put(objectName.getCanonicalName(), bean);
CountingAttributeChangeNotificationListener listener =
new CountingAttributeChangeNotificationListener();
NotificationListenerBean listenerBean = new NotificationListenerBean();
listenerBean.setNotificationListener(listener);
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(server);
exporter.setBeans(beans);
exporter.setNotificationListeners(new NotificationListenerBean[] {listenerBean});
exporter.afterPropertiesSet();
// update the attribute
String attributeName = "Name";
server.setAttribute(objectName, new Attribute(attributeName, "Rob Harrop"));
assertEquals("Listener not notified", 1, listener.getCount(attributeName));
}
@SuppressWarnings("serial")
public void testRegisterNotificationListenerWithFilter() throws Exception {
ObjectName objectName = ObjectName.getInstance("spring:name=Test");
JmxTestBean bean = new JmxTestBean();
Map<String, Object> beans = new HashMap<String, Object>();
beans.put(objectName.getCanonicalName(), bean);
CountingAttributeChangeNotificationListener listener =
new CountingAttributeChangeNotificationListener();
NotificationListenerBean listenerBean = new NotificationListenerBean();
listenerBean.setNotificationListener(listener);
listenerBean.setNotificationFilter(
new NotificationFilter() {
public boolean isNotificationEnabled(Notification notification) {
if (notification instanceof AttributeChangeNotification) {
AttributeChangeNotification changeNotification =
(AttributeChangeNotification) notification;
return "Name".equals(changeNotification.getAttributeName());
} else {
return false;
}
}
});
MBeanExporter exporter = new MBeanExporter();
exporter.setServer(server);
exporter.setBeans(beans);
exporter.setNotificationListeners(new NotificationListenerBean[] {listenerBean});
exporter.afterPropertiesSet();
// update the attributes
String nameAttribute = "Name";
String ageAttribute = "Age";
server.setAttribute(objectName, new Attribute(nameAttribute, "Rob Harrop"));
server.setAttribute(objectName, new Attribute(ageAttribute, new Integer(90)));
assertEquals("Listener not notified for Name", 1, listener.getCount(nameAttribute));
assertEquals("Listener incorrectly notified for Age", 0, listener.getCount(ageAttribute));
}
