@Override
public List<HistoricTaskInstance> readAllCompletedTasksForProcess(String procId, boolean orderByStart, boolean asc) {
HistoricTaskInstanceQuery query = historyService.createHistoricTaskInstanceQuery().finished().processInstanceId(procId);
if(orderByStart) {
query.orderByHistoricActivityInstanceStartTime();
} else {
query.orderByHistoricTaskInstanceEndTime();
}
if(asc) {
query.asc();