public void sort(Sorter sorter) {
synchronized (fChildrenLock) {
for (T each : getFilteredChildren()) {
sorter.apply(each);
}
List<T> sortedChildren = new ArrayList<T>(getFilteredChildren());
Collections.sort(sortedChildren, comparator(sorter));
fFilteredChildren = Collections.unmodifiableCollection(sortedChildren);
}
}
private void sortChild(T child) {
fSorter.apply(child);
}