static ResourceIterator<SemiOrphanRel> isSemiOrphan(
final DerivationController _derivation, final Person person) {
final int _derivationlevel = _derivation.size();
return new IteratorChain<SemiOrphanRel>(2) {
public ResourceIterator<SemiOrphanRel> getNextIterator(int pos) {
switch (pos) {
case 0:
{
// invoke rule1: isYoung(p) & Father(f,p) & not Mother(m,p)
// -> SemiOrphan(p);
return isSemiOrphan_0(_derivation.pop(_derivationlevel), person);
}
case 1:
{
// invoke rule2: isYoung(p) & not Father(f,p) & Mother(m,p)
// -> SemiOrphan(p);
return isSemiOrphan_1(_derivation.pop(_derivationlevel), person);
}
default:
return EmptyIterator.DEFAULT;
}
}
};
}
static ResourceIterator<FrequentCustomerRel> isFrequentCustomer(
final DerivationController _derivation, final Customer customer) {
final int _derivationlevel = _derivation.size();
return new IteratorChain<FrequentCustomerRel>(2) {
public ResourceIterator<FrequentCustomerRel> getNextIterator(int pos) {
switch (pos) {
case 0:
{
// invoke rule1: (c.getTransactionCount())>5 ->
// FrequentCustomer(c);
return isFrequentCustomer_0(_derivation.pop(_derivationlevel), customer);
}
case 1:
{
// invoke rule2: (c.getTransactionCount())>3 &
// (c.getTurnover())>500 -> FrequentCustomer(c);
return isFrequentCustomer_1(_derivation.pop(_derivationlevel), customer);
}
default:
return EmptyIterator.DEFAULT;
}
}
};
}
