public int Compare(object x, object y)
{
NotificationFile FileX = (NotificationFile)x;
NotificationFile FileY = (NotificationFile)y;
return(FileY.Age.CompareTo(FileX.Age));
}
public void RemoveNewFiles(int MinAgeSeconds)
{
for (int i = _NFiles.Count - 1; i >= 0; i--)
{
NotificationFile NFile = (NotificationFile)_NFiles[i];
if (NFile.Age.TotalSeconds < MinAgeSeconds)
{
_NFiles.RemoveAt(i);
}
}
}
private NotificationFile GetNextNotificationFile()
{
NotificationFile RetVal = null;
if (_NFileCache == null || _NFileCache.Count == 0)
{
_NFileCache = ReadAllNotificationFilesFromDisk();
}
if (_NFileCache.Count > 0)
{
RetVal = _NFileCache.GetFileAt(0);
_NFileCache.RemoveFileAt(0);
}
return(RetVal);
}
public NotificationQueueMessage Receive()
{
if (_InProcessDir == null)
{
throw new ApplicationException(
"Must use the 4 parameter contstructor to create a queue object " +
"that supports the Receive() method.");
}
NotificationQueueMessage RetVal = null;
int SleepSeconds = 0;
while (RetVal == null)
{
NotificationFile NFile = GetNextNotificationFile();
if (NFile != null)
{
RetVal = new NotificationQueueMessage(NFile.Id, NFile.Type,
NFile.OrderId, ReadFile(_InboxDir + NFile.Name));
File.Move(_InboxDir + NFile.Name, _InProcessDir + NFile.Name);
}
else
{
SleepSeconds = SleepSeconds * 2;
if (SleepSeconds == 0)
{
SleepSeconds = 1;
}
if (SleepSeconds > 30)
{
SleepSeconds = 30;
}
Thread.Sleep(SleepSeconds * 1000);
}
}
return(RetVal);
}
public void Add(NotificationFile NFile)
{
_NFiles.Add(NFile);
}
public void Send(NotificationQueueMessage M)
{
NotificationFile NFile = new NotificationFile(M.Id, M.Type, M.OrderId);
WriteFile(_InboxDir + NFile.Name, M.Xml);
}
public void ProcessingFailed(NotificationQueueMessage M)
{
NotificationFile NFile = new NotificationFile(M.Id, M.Type, M.OrderId);
File.Move(_InProcessDir + NFile.Name, _FailureDir + NFile.Name);
}
public void ProcessingSucceeded(NotificationQueueMessage M)
{
NotificationFile NFile = new NotificationFile(M.Id, M.Type, M.OrderId);
File.Move(_InProcessDir + NFile.Name, _SuccessDir + NFile.Name);
}
public void Send(NotificationQueueMessage M)
{
NotificationFile NFile = new NotificationFile(M.Id, M.Type, M.OrderId);
WriteFile(_InboxDir + NFile.Name, M.Xml);
}
public void Add(NotificationFile NFile)
{
_NFiles.Add(NFile);
}