Use of JBoss MC Pojo from in distributed env

[mukulb]

Sorry, if this question have been answered earlier and i knw it is very basic question but i need answer.

I am using JBoss MC as a standlone container for POJO deployment but how do i access these POJO services from a client running on a different JVM on different machine? basically distributed environment like JavaEE but since i am not using any JavaEE server and i want to acess my POJOs deployed in Jboss MC from a different machine, how do i do this? as there is nO JNDI here and no java EE APp server just Microcontainer.

[alesj]

MC only provides the means to "connect" to existing distributable envs.
e.g. @JMX, @JndiBinding

You will have to provide your own distributed env:
* RMI
* Hessian or Burlap
* Infinispan
* ...

And then simply register your beans against it.

[manik]

One way to do this - and this would involve extending or modifying the MC - is to replace whatever backing container the MC uses to store beans it creates (probably a Map) with an Infinispan Cache.

This should be trivial since org.infinispan.Cache extends java.util.concurrent.ConcurrentMap.

Maybe alesj can comment more on whether this is something viable from a MC standpoint.

[alesj]

One way to do this - and this would involve extending or modifying the MC - is to replace whatever backing container the MC uses to store beans it creates (probably a Map) with an Infinispan Cache.

You can easily achieve this with the bean implementing KernelRegistryPlugin.

public interface KernelRegistryPlugin
{
 /**
 * Get a registration
 *
 * @param name the name of the object
 * @return the registration
 * @throws IllegalArgumentException for a null name
 */
 KernelRegistryEntry getEntry(Object name);
}

Every such bean becomes part of MC registry,
and as such it's always "asked" if it knows how to provide a bean per name parameter.

e.g. JNDI KRP

public class JNDIKernelRegistryPlugin implements KernelRegistryPlugin
{
 private Hashtable<?,?> properties;
 private Context context;

 public void setProperties(Hashtable<?,?> properties)
 {
 this.properties = properties;
 }

 public void create() throws NamingException
 {
 if (properties != null)
 context = new InitialContext(properties);
 else
 context = new InitialContext();
 }

 public void destroy() throws NamingException
 {
 if (context != null)
 context.close();
 context = null;
 }

 public KernelRegistryEntry getEntry(Object name)
 {
 try
 {
 Object target = context.lookup(name.toString());
 if (target != null)
 return new AbstractKernelRegistryEntry(name, target);
 }
 catch (NamingException e)
 {
 }
 return null;
 }
}

In Infinispan's case you would simply replace context with cache.

[manik]

Nice and easy! :-) We should document this on a wiki somewhere.

[alesj]

We should document this on a wiki somewhere.

I guess we can ask mukulb if he's willing to do this once he's done? :-)

[manik]

@mukulb wdyt? :)

[mukulb]

Thanks Ales and Manik. I can definitely add information to Wiki but i haven't used infinispan. But if whatever we discussed only needs to be documented then i will do it.

Thanks,