bool DoubleLinkList::dequeue() {
Customer* delPtr;
Customer* temp = NULL;
bool status = false;
delPtr = RevListPointer;
if (delPtr != NULL) {
if (FwdListPointer == delPtr)
FwdListPointer = FwdListPointer->getNextPointer();
else
{
temp = delPtr->getPriorPointer();
temp->putNextPointer(delPtr->getNextPointer());
}
if (RevListPointer == delPtr)
RevListPointer = RevListPointer->getPriorPointer();
else
{
temp = delPtr->getNextPointer();
temp->putPriorPointer(delPtr->getPriorPointer());
}
delete delPtr;
status = true;
}
return status;
}
bool DoubleLinkList::putCustomer (int s, int e, int o) {
bool x = false;
Customer* temp1;
Customer A(o);
temp1 = A.putOneCustomer (FwdListPointer, s, e, o);
if (temp1 != NULL)
{ if (FwdListPointer == NULL && RevListPointer == NULL)
FwdListPointer = RevListPointer = temp1;
else
{
FwdListPointer->putPriorPointer (temp1);
FwdListPointer = temp1;
}
x = true;
}
return x;
}