RE: [Springframework-developer] Spring JMX Plans

[Alef A. <al...@jt...>]

I think the third option is what the SimpleUrlHandlerMapping also does =
and if I'm not mistaken is also done in other places in the framework. =
Personally, I'd like to have as much checking of bean references as =
possible and since most people will use singletons only anyway, I guess =
it's better to use bean references than specifying bean names.
=20
It should be clear form the documentation however how things work of =
course.
=20
alef
=20

________________________________

From: spr...@li... on behalf of =
Rob Harrop
Sent: Tue 12/7/2004 2:15 PM
To: spr...@li...
Subject: [Springframework-developer] Spring JMX Plans



All,

I am looking at ways to support lazy-init and prototype beans in Spring
JMX. The biggest issue is that in order to register a ModelMBean you
need to supply the managed resource instance, in this case the bean up
front. An obvious solution to this is to provide an AOP interceptor for
lazy-init beans that can be passed to the ModelMBean as the managed
resources but which only inits the bean when the first method is =
invoked.

This leads me onto the main point which is: what is the best to go about
applying this interceptor. I see three solutions:

1.  Have the user create the proxy manually.
2. Modify JmxMBeanAdapter to accept a Map of bean names instead of a Map
of beans and use the BeanDefinition to determine if the bean is
lazy-init or not, applying the AOP interceptor dynamically as required.
3. Modify JmxMBeanAdapter to accept a Map of beans OR bean names and
then decide dynamically how to proceed.

What are our thoughts?

Rob


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