On 31/03/2010 12:48, buddhika chamith wrote: > Hi, > > I went through the some source codes to understand Tomcat's JMX > implementation. Here are some of the things as I understood. Please correct > me if I am wrong. > > 1. As I understood it uses a commons modeler type implementation (which I > saw within a comment and went to explore). > 2. Uses Dynamic MBeans and BaseModelBeans (extension of DynamicMBeans) > 3. Uses ManagedBean class to store meta data about a bean and instantiate > it. > 4. Uses Registry to load ManagedBeans from meta-data files and register the > MBean with the MBean server. > 5. MBeanFactory class contains all the useful methods to create most of the > Tomcat components along with the MBeans. > > I noticed the MBeanFactory class methods are not utilised inside Tomcat > internal codes to create Tomcat server side components. Is this because that > it is only meant to be used remotely? Correct.
> Regarding the missing createStandardService() in MBeanFactory, issue, I > looked as to how normally StarndardService is created within Tomcat. I > noticed that the Service component is created using configuration data read > by server.xml using a Digester. Now do you think a similar approach can be > utilized to provide the missing method? (But this approach misses the point > of configuring a Tomcat instance from the scratch without configuration > files. Isn't it?). Take a look in the svn history. The removed method will give you some clues. > What were the issues with ServerFactory that it had to be > removed? It assumed that there was only ever one Server instance in a JVM and as a result created all sorts of issues, particularly when embedding Tomcat. Mark --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org
