/*
* Copyright (C) The MX4J Contributors.
* All rights reserved.
*
* This software is distributed under the terms of the MX4J License version 1.0.
* See the terms of the MX4J License in the documentation provided with this software.
*/
package javax.management.monitor;
import javax.management.MBeanRegistration;
import javax.management.MBeanServer;
import javax.management.NotificationBroadcasterSupport;
import javax.management.ObjectName;
import mx4j.monitor.MX4JMonitor;
/**
* @version $Revision: 1.16 $
*/
public abstract class Monitor extends NotificationBroadcasterSupport implements MonitorMBean, MBeanRegistration
{
/**
* @deprecated
*/
protected int alreadyNotified;
protected int alreadyNotifieds[];
protected static final int capacityIncrement = 16;
/**
* @deprecated
*/
protected String dbgTag;
protected int elementCount;
protected static final int OBSERVED_ATTRIBUTE_ERROR_NOTIFIED = 2;
protected static final int OBSERVED_ATTRIBUTE_TYPE_ERROR_NOTIFIED = 4;
protected static final int OBSERVED_OBJECT_ERROR_NOTIFIED = 1;
protected static final int RESET_FLAGS_ALREADY_NOTIFIED = 0;
protected static final int RUNTIME_ERROR_NOTIFIED = 8;
// Fields above are a mistake in the spec: JMX 1.0 was poorly written and these fields
// made their way into the specification. MX4J's implementation is different from RI's
// and we don't value the fields above.
protected MBeanServer server;
private MX4JMonitor monitor;
abstract MX4JMonitor createMX4JMonitor();
synchronized MX4JMonitor getMX4JMonitor()
{
if (monitor == null)
{
monitor = createMX4JMonitor();
}
return monitor;
}
public abstract void start();
public abstract void stop();
/**
* @deprecated
*/
public ObjectName getObservedObject()
{
ObjectName[] observed = getObservedObjects();
if (observed == null || observed.length < 1) return null;
return observed[0];
}
/**
* @deprecated
*/
public void setObservedObject(ObjectName objectName) throws java.lang.IllegalArgumentException
{
MX4JMonitor monitor = getMX4JMonitor();
synchronized (monitor)
{
monitor.clearObservedObjects();
monitor.addObservedObject(objectName);
}
}
public String getObservedAttribute()
{
MX4JMonitor monitor = getMX4JMonitor();
return monitor.getObservedAttribute();
}
public void setObservedAttribute(String attribute) throws java.lang.IllegalArgumentException
{
MX4JMonitor monitor = getMX4JMonitor();
monitor.setObservedAttribute(attribute);
}
public long getGranularityPeriod()
{
MX4JMonitor monitor = getMX4JMonitor();
return monitor.getGranularityPeriod();
}
public void setGranularityPeriod(long period) throws java.lang.IllegalArgumentException
{
MX4JMonitor monitor = getMX4JMonitor();
monitor.setGranularityPeriod(period);
}
public boolean isActive()
{
MX4JMonitor monitor = getMX4JMonitor();
return monitor.isActive();
}
public ObjectName preRegister(MBeanServer server, ObjectName name) throws Exception
{
this.server = server;
MX4JMonitor monitor = getMX4JMonitor();
return monitor.preRegister(server, name);
}
public void postRegister(Boolean registrationDone)
{
MX4JMonitor monitor = getMX4JMonitor();
monitor.postRegister(registrationDone);
}
public void preDeregister() throws Exception
{
MX4JMonitor monitor = getMX4JMonitor();
monitor.preDeregister();
}
public void postDeregister()
{
MX4JMonitor monitor = getMX4JMonitor();
monitor.postDeregister();
}
public void addObservedObject(ObjectName objectName) throws IllegalArgumentException
{
MX4JMonitor monitor = getMX4JMonitor();
monitor.addObservedObject(objectName);
}
public ObjectName[] getObservedObjects()
{
MX4JMonitor monitor = getMX4JMonitor();
return monitor.getObservedObjects();
}
public boolean containsObservedObject(ObjectName objectName)
{
MX4JMonitor monitor = getMX4JMonitor();
return monitor.containsObservedObject(objectName);
}
public void removeObservedObject(ObjectName objectName)
{
MX4JMonitor monitor = getMX4JMonitor();
monitor.removeObservedObject(objectName);
}
}