@Override
public boolean add(final T e) {
if (filter.appliesTo(e)) {
return backingCollection.add(e);
}
return false;
}
/**
* Filter a list of entities through a predicate. If the the predicate applies the entity will be
* included.
*
* @param predicate
* @param candidates
* @return a subset of the actual list of candidates
*/
public List<T> apply(Predicate<T> predicate, List<T> candidates) {
List<T> filtered = new ArrayList<T>(candidates.size());
for (T entity : candidates) {
if (predicate.appliesTo(entity)) filtered.add(entity);
}
return filtered;
}
