June 2002
Intermediate to advanced
312 pages
9h 18m
English
Content preview from Java Management ExtensionsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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MBeanServerDelegate
The MBean server does not directly expose a management interface,
leaving manipulation of the MBeans contained in its registry to those
developers who write agents, connectors, and protocol adaptors.
However, information about the MBean server and some notifications
can be made available to a management application through its
delegate,
MBeanServerDelegate
.
This class implements the MBeanServerDelegateMBean
interface, so it is an MBean and thus is manageable. It is through
this management interface that management applications can discover
information about the MBean server. The string representation of the
object name of the delegate MBean is
"JMImplementation:type=MBeanServerDelegate".
In addition, the MBean server emits two notifications through the
MBeanServerDelegate. In this section, we will look
at the information about the MBean server that is exposed through the
MBeanServerDelegate, as well as the notifications
emitted by it on behalf of the MBean server.
MBean Server Information
The MBean server
provides
the following read-only String attributes through
its delegate MBean:
-
MBeanServerId The unique identifier of this MBean server within the JVM. The format of this
Stringis not dictated by the specification and is left to the implementer.-
SpecificationName The name of the specification on which this MBean server implementation is based—must be
"JavaManagementExtensions".-
SpecificationVersion The version of the JMX specification on which this ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.