code: public static Uri uriForItem(final String tableName, final long id) {
  		return REGISTRY.getItemUri(tableName, Long.toString(id));
  	}
docs: Returns a {@link Uri} for the using it with a {@link ContentResolver} to access this {@link ContentProvider}. The {@link Uri} allows CRUD operations
  on a
  single {@link Entity} element, qualified by its primary key.
  
  @param tableName Name of the Table (simple {@link Entity} name) the data should be retrieved from.
  @param id        Primary key of the {@link Entity} to be accessed
  @return Uri to access the specific item in the table