/**
* Allows the MBean to perform any operations it needs before being registered in the MBean
* server. If the name of the MBean is not specified, the MBean can provide a name for its
* registration. If any exception is raised, the MBean will not be registered in the MBean server.
*
* @param server The MBean server in which the MBean will be registered.
* @param name The object name of the MBean.
* @return The name of the MBean registered.
* @exception java.lang.Exception This exception should be caught by the MBean server and
* re-thrown as an {@link javax.management.MBeanRegistrationException}.
*/
public ObjectName preRegister(MBeanServer server, ObjectName name) throws java.lang.Exception {
if (logger.finerOn()) {
logger.finer("preRegister ", "object name = " + name);
}
responderObjectName = name;
// ----------------
// Should we act as a spy ?
// ----------------
spy = (String) name.getKeyProperty(SPY);
// ----------------
// Should we Send event
// ----------------
noEvent = (String) name.getKeyProperty("PRIVATE_NO_EVENT");
// ----------------
// Initialise local pointer to the Core Management MBeanServer
// ----------------
this.cmf = server;
// ----------------
// Return part
// ----------------
return name;
}
public synchronized Collection<GarbageCollectorMXBean> getGarbageCollectorMXBeans()
throws IOException {
// TODO: How to deal with changes to the list??
if (garbageCollectorMBeans == null) {
ObjectName gcName = null;
try {
gcName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
} catch (MalformedObjectNameException e) {
// should not reach here
assert (false);
}
Set<ObjectName> mbeans = server.queryNames(gcName, null);
if (mbeans != null) {
garbageCollectorMBeans = new ArrayList<GarbageCollectorMXBean>();
Iterator<ObjectName> iterator = mbeans.iterator();
while (iterator.hasNext()) {
ObjectName on = (ObjectName) iterator.next();
String name = GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=" + on.getKeyProperty("name");
GarbageCollectorMXBean mBean =
newPlatformMXBeanProxy(server, name, GarbageCollectorMXBean.class);
garbageCollectorMBeans.add(mBean);
}
}
}
return garbageCollectorMBeans;
}
/**
* Allows the MBean to perform any operations it needs before being registered in the MBean
* server. If the name of the MBean is not specified, the MBean can provide a name for its
* registration. If any exception is raised, the MBean will not be registered in the MBean server.
*
* @param server The MBean server in which the MBean will be registered.
* @param name The object name of the MBean. This name is null if the name parameter to one of the
* createMBean or registerMBean methods in the MBeanServer interface is null. In that case,
* this method will try to guess its MBean name by examining its configuration data. If its
* configuration data is null (nothing was provided in the constructor) or doesn't contain a
* name, this method returns {@code null}, and registration will fail.
* <p>Otherwise, if {@code name} wasn't {@code null} or if a default name could be
* constructed, the name of the configuration will be set to the value of the ObjectName's
* {@code name=} key, and the configuration data will always be renamed to reflect this
* change.
* @return The name under which the MBean is to be registered.
* @throws Exception This exception will be caught by the MBean server and re-thrown as an
* MBeanRegistrationException.
*/
public ObjectName preRegister(MBeanServer server, ObjectName name) throws Exception {
if (name == null) {
if (config == null) return null;
if (config.getName() == null) return null;
name = ScanManager.makeMBeanName(ScanDirConfigMXBean.class, config.getName());
}
objectName = name;
mbeanServer = server;
synchronized (this) {
configname = name.getKeyProperty("name");
if (config == null) config = new ScanManagerConfig(configname);
else config = config.copy(configname);
}
return name;
}
