@Override
    public HandlerRegistration addDataSelectionHandler(final DataSelectionHandler<Set<String>> handler) {
        return addHandlerToSource(DataSelectionEvent.getType(), handler);
    }
This sets the name filter to be used when fetching items. This method
returns false is the filter is set to the same value that is already set.

@param name
@return
stroom-core-client/src/main/java/stroom/task/client/presenter/TaskManagerListPresenter.java