code: public ItemData getItemData(QPath path) throws RepositoryException
     {
  
        NodeData parent = (NodeData)getItemData(Constants.ROOT_UUID);
  
        if (path.equals(Constants.ROOT_PATH))
        {
           return parent;
        }
  
        QPathEntry[] relPathEntries = path.getRelPath(path.getDepth());
  
        return getItemData(parent, relPathEntries, ItemType.UNKNOWN);
     }
docs: Return item data by internal <b>qpath</b> in this transient storage then in workspace
  container.
  
  @param path
  - absolute path
  @return existed item data or null if not found
  @throws RepositoryException
  @see org.exoplatform.services.jcr.dataflow.ItemDataConsumer#getItemData(String)