public int QueryReservedPrice(Transaction context, Customer customer)
{
int bill = 0;
// enlist with TM
this.Enlist(context);
// read the reservation data
Reservation data = null;
bool result = this.dataStore.Read(context, customer, out data);
if (!result)
{
return(bill);
}
// tally up the resource prices
foreach (RID rId in data.Resources)
{
Resource resource = null;
// read the resource
result = this.dataStore.Read(context, rId, out resource);
if (!result)
{
throw new InvalidOperationException(rId + " does not exist in RM");
}
bill += resource.getPrice();
}
return(bill);
}
/// <summary>
/// Gets the total price of reserved resources for the customer
/// </summary>
/// <param name="context"></param>
/// <param name="customer"></param>
/// <returns>the total price of reserved resources for the customer</returns>
public int QueryReservedPrice(Transaction context, Customer customer)
{
WaitForReady();
Enlist(context);
int bill = 0;
_lockManager.LockForRead(context, customer);
HashSet <RID> reserved = _transactionStorage.Read(context, customer);
if (reserved != null)
{
foreach (RID rid in reserved)
{
Resource r = _transactionStorage.Read(context, rid);
if (r == null)
{
throw new InvalidOperationException(rid + " does not exist in RM");
}
bill += r.getPrice();
}
}
return(bill);
}
public static Row ConvertResourceToRow(Resource resource)
{
var encoder = new UTF8Encoding();
var rowString = resource.getType() + "," + resource.getID().getName() + "," + resource.getCount().ToString(CultureInfo.InvariantCulture) + "," +
resource.getPrice();
//TODO: FIX THE SIZE
var row = new Row(96)
{
Data = encoder.GetBytes(rowString)
};
return(row);
}
/// <summary>
/// Need to add code here
/// returns the price for the specified item type
/// </summary>
/// <param name="context"></param>
/// <param name="rId"></param>
/// <returns></returns>
public int QueryPrice(Transaction context, RID rId)
{
// enlist with TM
this.Enlist(context);
Resource data = null;
bool result = this.dataStore.Read(context, rId, out data);
if (!result)
{
throw new ArgumentException(rId + " does not exist");
}
return(data.getPrice());
}
/// <summary>
/// Queries the price of given resource
/// </summary>
/// <param name="context"></param>
/// <param name="rid"></param>
/// <returns>returns the price for the specified item type</returns>
public int QueryPrice(Transaction context, RID rid)
{
WaitForReady();
Enlist(context);
_lockManager.LockForRead(context, rid);
Resource resource = _transactionStorage.Read(context, rid);
if (resource == null)
{
throw new ArgumentException(rid + " does not exist");
}
return(resource.getPrice());
}
