Tuesday May 29, 2007

JMX MXBean Notifications, User Data, and Open Types

The MXBean runtime support classes in Java 6 provide all the help you need in order to be able to declare complex types for attributes and operations, but don't provide any help for converting complex types for other uses, such as for the payload of a Notification. This blog article shows how to add helper methods to convert an existing struct-like class into Open Data.[Read More]

Friday Nov 10, 2006

JMX: Building a JMX Notification Hub

JMX Notifications allow MBeans to send asynchronous messages and are typically used to indicate a state change, a received event, or a problem.

However, it's necessary for clients to individually subscribe to each MBean that they are interested in receiving notifications from. When there are many such MBeans, or when the MBeans may be created dynamically, this can pose a problem for the client.

This article shows how to build a JMX Notification Hub MBean which provides a single place for clients to subscribe to receive notifications from many MBeans.[Read More]

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