code: public SIPDialog getDialog(String dialogId) throws SipCacheException {		
  		try {
  			Node dialogNode = ((Node) dialogRootNode.getChild(Fqn.fromString(dialogId)));
  			if(dialogNode != null) {
  				return (SIPDialog) dialogNode.get(dialogId);
  			} else {
  				return null;
  			}
  		} catch (CacheException e) {
  			throw new SipCacheException("A problem occured while retrieving the following dialog " + dialogId + " from JBoss Cache", e);
  		}
  	}
docs: /* (non-Javadoc)
  @see org.mobicents.ha.javax.sip.cache.SipCache#getDialog(java.lang.String)