code: public AbstractNode getNode(final String id) {
  
  		final SecurityContext securityContext = getWebSocket().getSecurityContext();
  		final App app = StructrApp.getInstance(securityContext);
  
  		try (final Tx tx = app.tx()) {
  
  			final AbstractNode node = (AbstractNode) app.getNodeById(id);
  
  			tx.success();
  
  			return node;
  
  		} catch (FrameworkException fex) {
  			logger.warn("Unable to get node", fex);
  		}
  
  		return null;
  	}
docs: Returns the node with the given id.
  
  @param id
  @return the node