private void model2Container(
final PhaseDataCompetition phaseData, final BeanItemContainer<TimeEntry> itemContainer) {
itemContainer.removeAllItems();
itemContainer.addAll(phaseData.getEntries());
}
private void container2Model(
final BeanItemContainer<TimeEntry> itemContainer, final PhaseDataCompetition phaseData) {
final List<TimeEntry> entries = phaseData.getEntries();
entries.clear();
entries.addAll(itemContainer.getItemIds());
}