public boolean removeSupplierOrderLineItem(SupplierOrderLineItem aSupplierOrderLineItem) {
boolean wasRemoved = false;
// Unable to remove aSupplierOrderLineItem, as it must always have a orderToSupplier
if (!this.equals(aSupplierOrderLineItem.getOrderToSupplier())) {
supplierOrderLineItems.remove(aSupplierOrderLineItem);
wasRemoved = true;
}
return wasRemoved;
}
public boolean addSupplierOrderLineItem(SupplierOrderLineItem aSupplierOrderLineItem) {
boolean wasAdded = false;
if (supplierOrderLineItems.contains(aSupplierOrderLineItem)) {
return false;
}
OrderToSupplier existingOrderToSupplier = aSupplierOrderLineItem.getOrderToSupplier();
boolean isNewOrderToSupplier =
existingOrderToSupplier != null && !this.equals(existingOrderToSupplier);
if (isNewOrderToSupplier) {
aSupplierOrderLineItem.setOrderToSupplier(this);
} else {
supplierOrderLineItems.add(aSupplierOrderLineItem);
}
wasAdded = true;
return wasAdded;
}
