public Object getValueAt(int rowIndex, int columnIndex) {
Task<T> task = getValueAt(rowIndex);
if (task == null) {
return null;
}
switch (columnIndex) {
case ID_INDEX:
return task.getId();
case NAME_INDEX:
return task.getName();
case PROGRESS_INDEX:
return task.getProgress();
}
return null;
}
public int compare(Task<T> task1, Task<T> task2) {
return (int) (task1.getId() - task2.getId());
}