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Java Management Extensions
book

Java Management Extensions

by J. Steven Perry
June 2002
Intermediate to advanced content levelIntermediate to advanced
312 pages
9h 18m
English
O'Reilly Media, Inc.
Content preview from Java Management Extensions

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 String is 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 "Java Management Extensions".

SpecificationVersion

The version of the JMX specification on which this ...

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Publisher Resources

ISBN: 0596002459Supplemental ContentCatalog PageErrata