private <E> Predicate<E> createJoinPredicate(final AtomicBoolean more) {
if (column == null && this.nodes == null) return null;
final EntityCache<E> joinCache = this.joinEntity.getCache();
Predicate<E> filter = createElementPredicate(joinCache, true);
if (this.nodes != null) {
for (FilterNode node : this.nodes) {
if (((FilterJoinNode) node).joinClass != this.joinClass) {
more.set(true);
continue;
}
Predicate<E> f = ((FilterJoinNode) node).createJoinPredicate(more);
if (f == null) continue;
final Predicate<E> one = filter;
final Predicate<E> two = f;
filter =
(filter == null)
? f
: (or
? new Predicate<E>() {
@Override
public boolean test(E t) {
return one.test(t) || two.test(t);
}
@Override
public String toString() {
return "(" + one + " OR " + two + ")";
}
}
: new Predicate<E>() {
@Override
public boolean test(E t) {
return one.test(t) && two.test(t);
}
@Override
public String toString() {
return "(" + one + " AND " + two + ")";
}
});
}
}
return filter;
}
