public void Save(IQueueItem item)
{
try
{
if (CoverProvider == CoverProviders.File)
{
string filename = GetFilename(item.Identifier);
var stream = item.BodyStream;
stream.SaveToFile(filename);
}
if (CoverProvider == CoverProviders.Sqlite)
{
PersistentQueue bag = new PersistentQueue(dbSettings);
bag.AddOrUpdate
//var dt = DbLite.MessageToDataTable(message);
//using (Nistec.Data.Sqlite.DbLite db = new Nistec.Data.Sqlite.DbLite(CoverPath))
//{
// db.ExecuteNonQuery("",)
// //bulk.BulkInsert(dt, CoverTableName, ConnectTimeout, null);
//}
}
else
{
//ExecCover(((QueueItemStream)item).Copy());
ExecCover((QueueItemStream)item);
}
}
catch (Exception ex)
{
QLog.Exception("QCover.Save ", ex);
}
}
protected override IQueueItem GetFirstItem()
{
IQueueItem item = null;
try
{
var items = m_fm.DequeueItems(FileOrderTypes.ByName, 1);
if (items != null)
{
item = items[0];
}
//if (Count() > 0)
//{
// foreach (object o in QueueList.Keys)
// {
// item = Dequeue((Guid)o);
// if (item != null)
// {
// break;
// }
// }
//}
}
catch (Exception ex)
{
QLog.Exception("GetFirstItem file error: ", ex, true, true);
return(null);
}
return(item);
}
protected override bool TryAdd(Ptr ptr, IQueueItem item)
{
try
{
m_fm.Enqueue((QItemStream)item);
//((QItemStream)item).SaveFile(ptr);
return(true);
}
catch (Exception ex)
{
QLog.Exception("TryAdd file error: ", ex, true, true);
return(false);
}
}
protected override bool TryDequeue(Ptr ptr, out IQueueItem item)
{
try
{
//string qfile = IoAssists.GetQueueFilename(m_fm.RootPath, m_fm.HostName, ptr.Identifier);
item = m_fm.DequeueItem(ptr.Identifier);//GetFilename(ptr.Identifier));
return(item != null);
//item = null;
//var state = FileMessage.DequeueFile(ptr, QueueSettings.QueuesPath, IsTrans, out item);
//return state == ReadFileState.Completed;
}
catch (Exception ex)
{
QLog.Exception("TryDequeue file error: ", ex, true, true);
item = null;
return(false);
}
}
protected override bool TryPeek(Ptr ptr, out IQueueItem item)
{
try
{
//string qfile = IoAssists.GetQueueFilename(m_fm.RootPath, m_fm.HostName, ptr.Identifier);
item = m_fm.ReadFile(ptr.Identifier, false);//GetFilename(ptr.Identifier), false);
return(item != null);
//item=null;
//var state= ptr.ReadFile(out item);
//return state== ReadFileState.Completed;
}
catch (Exception ex)
{
QLog.Exception("TryPeek file error: ", ex, true, true);
item = null;
return(false);
}
}
public void Save(QueueItemStream message)
{
try
{
if (CoverProvider == CoverProviders.File)
{
string filename = GetFilename(message.Identifier);
message.SaveToFile(filename);
//var stream = message.Serialize(true);
//stream.SaveToFile(filename);
}
else
{
ExecCover(message);
}
}
catch (Exception ex)
{
QLog.Exception("QCover.Save ", ex);
}
}