// ---------------------------------------------------------------------------
// retrieveItem
// Takes the Item and compares it's value in the correct BinTree found after
// using itemCode to hash to correct key
Item* Inventory::retrieveItem(const Item *obj, char itemCode) const
{
BinTree *storageTree = storage[hash(itemCode)];
Item *retrieved = NULL;
storageTree->retrieve(obj, retrieved);
return retrieved;
}
//------------------------------------------------ setCustomer()
void Borrow::setCustomer(istream& in, BinTree& cust) {
int customerID = 0;
in >> customerID;
Customer target(customerID); // empty instance with only id
Generic* customerInStore = NULL;
cust.retrieve(target, customerInStore);
// pointer is now modified to point to the customer in our store
if(customerInStore != NULL) { // if found
// down-cast and store reference
customer = dynamic_cast<Customer*>(customerInStore);
} else {
customer = NULL;
}
// target goes out of scope and gets destroyed
}
