@Override public Map<Component, List<Property>> getAllComponentsAndPropertyDataTypes( Credentials credentials, String flowUri) { Map<Component, List<Property>> componentPropertyDataTypes = null; try { componentPropertyDataTypes = headServer.getAllComponentsAndPropertyDataTypes(credentials, flowUri); } catch (MeandreServerException e) { throw new ServiceException( "A problem occurred while retrieving " + "component data types for flow: " + flowUri, e); } return componentPropertyDataTypes; }