reattachLabels();
final List<Task> tasks = commonQueries.filteredTaskElements(order,
labels, criterions);
final List<Task> sortTasks = sortTasks(order, tasks);
for (Task task : sortTasks) {
workingHoursPerWorkerList.add(new WorkingProgressPerTaskDTO(task,
referenceLocalDate));
}
if (!workingHoursPerWorkerList.isEmpty()) {
return new JRBeanCollectionDataSource(workingHoursPerWorkerList);
} else {