public Object process(InvocableMap.Entry entry) {
Vet vet = (Vet) entry.getValue();
if (vet.getSpecialties().contains(specialty)) {
return false;
}
vet.addSpecialty(specialty);
return true;
}
@Override
public Object process(InvocableMap.Entry entry) {
Object value = entry.getValue();
return condition.evaluate(value) ? value : null;
}