public Delivery(Guid pId, string pUserFrom, string pCustomerName, string pPhone, string pAddress, DateTime pCommitTime, DateTime pDeliveryTime, DeliveryState pState, List<DishQuota> pDishQuotaList)
{
id = pId;
userFrom = pUserFrom;
customerName = pCustomerName;
phone = pPhone;
address = pAddress;
commitTime = pCommitTime;
deliveryTime = pDeliveryTime;
state = pState;
dishQuotaList = pDishQuotaList;
}
public void CompleteDelivery(Guid pId, string pUserFrom, string pCustomerName, string pPhone, string pAddress, DateTime pCommitTime, DateTime pDeliveryTime, DeliveryState pState)
{
id = pId;
userFrom = pUserFrom;
customerName = pCustomerName;
phone = pPhone;
address = pAddress;
commitTime = pCommitTime;
deliveryTime = pDeliveryTime;
state = pState;
}
public void ChangeState(DeliveryState pState)
{
state = pState;
//~ synchronize to db, if need to maintain the state in db
DataContextDataContext dc = new DataContextDataContext();
dc.update_state_delivery(id, (int?)state);
}
static void OnMessage(ListenerLink link, Message message, DeliveryState deliveryState, object state)
{
var thisPtr = (TxnManager)state;
object body;
try
{
body = Message.Decode(((BrokerMessage)message).Buffer).Body;
}
catch (Exception exception)
{
Trace.WriteLine(TraceLevel.Error, exception.Message);
link.DisposeMessage(
message,
new Rejected() { Error = new Error() { Condition = ErrorCode.DecodeError, Description = "Cannot decode txn message" } },
true);
return;
}
if (body is Declare)
{
int txnId = thisPtr.CreateTransaction();
var outcome = new Declared() { TxnId = BitConverter.GetBytes(txnId) };
link.DisposeMessage(message, outcome, true);
}
else if (body is Discharge)
{
Discharge discharge = (Discharge)body;
int txnId = BitConverter.ToInt32(discharge.TxnId, 0);
Transaction txn;
if (thisPtr.transactions.TryGetValue(txnId, out txn))
{
lock (thisPtr.transactions)
{
thisPtr.transactions.Remove(txnId);
}
txn.Discharge(discharge.Fail);
link.DisposeMessage(message, new Accepted(), true);
}
else
{
link.DisposeMessage(
message,
new Rejected() { Error = new Error() { Condition = ErrorCode.NotFound, Description = "Transaction not found" } },
true);
}
}
else
{
link.DisposeMessage(
message,
new Rejected() { Error = new Error() { Condition = ErrorCode.NotImplemented, Description = "Unsupported message body" } },
true);
}
}
static void OnMessage(ListenerLink link, Message message, DeliveryState deliveryState, object state)
{
var thisPtr = (Publisher)state;
string errorCondition = null;
if (message.ApplicationProperties != null &&
(errorCondition = (string)message.ApplicationProperties["errorcondition"]) != null)
{
link.DisposeMessage(
message,
new Rejected() { Error = new Error() { Condition = errorCondition, Description = "message was rejected" } },
true);
}
else
{
var txnState = deliveryState as TransactionalState;
if (txnState != null)
{
Transaction txn = thisPtr.queue.broker.txnManager.GetTransaction(txnState.TxnId);
txn.AddOperation(message, onDischarge, thisPtr);
txnState.Outcome = new Accepted();
}
else
{
thisPtr.queue.Enqueue((BrokerMessage)message);
deliveryState = new Accepted();
}
thisPtr.link.DisposeMessage(message, deliveryState, true);
}
}
static void OnDispose(Message message, DeliveryState deliveryState, bool settled, object state)
{
var thisPtr = (Consumer)state;
if (deliveryState is TransactionalState)
{
Transaction txn = thisPtr.queue.broker.txnManager.GetTransaction(((TransactionalState)deliveryState).TxnId);
txn.AddOperation(message, onDischarge, thisPtr);
}
else
{
if (deliveryState is Released)
{
thisPtr.queue.Unlock((BrokerMessage)message);
}
else
{
thisPtr.queue.Dequeue((BrokerMessage)message);
}
}
}