public void clearItems() {
synchronized (lock) {
myItems.clear();
mySortedItems.clear();
myRelevanceClassifier = myArranger.createRelevanceClassifier();
}
}
public void addItem(LookupElement item) {
synchronized (lock) {
myRelevanceClassifier.addElement(item);
mySortedItems.add(
item); // ProcessCanceledException may occur in these two lines, then this element is
// considered not added
myItems.add(item);
stamp++;
}
}