public static void FailUid(WorkQueueUid sop, bool retry)
{
using (IUpdateContext updateContext = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
IWorkQueueUidEntityBroker uidUpdateBroker = updateContext.GetBroker<IWorkQueueUidEntityBroker>();
WorkQueueUidUpdateColumns columns = new WorkQueueUidUpdateColumns();
if (!retry)
columns.Failed = true;
else
{
if (sop.FailureCount >= ImageServerCommonConfiguration.WorkQueueMaxFailureCount)
{
columns.Failed = true;
}
else
{
columns.FailureCount = ++sop.FailureCount;
}
}
uidUpdateBroker.Update(sop.GetKey(), columns);
updateContext.Commit();
}
}
/// <summary>
/// Update an entry in the <see cref="WorkQueueUid"/> table.
/// </summary>
/// <remarks>
/// Note that just the Duplicate, Failed, FailureCount, and Extension columns are updated from the
/// input parameter <paramref name="sop"/>.
/// </remarks>
/// <param name="sop">The <see cref="WorkQueueUid"/> entry to update.</param>
protected virtual void UpdateWorkQueueUid(WorkQueueUid sop)
{
DBUpdateTime.Add(
TimeSpanStatisticsHelper.Measure(
delegate
{
using (IUpdateContext updateContext = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
IWorkQueueUidEntityBroker update = updateContext.GetBroker<IWorkQueueUidEntityBroker>();
WorkQueueUidUpdateColumns columns = new WorkQueueUidUpdateColumns
{
Duplicate = sop.Duplicate,
Failed = sop.Failed,
FailureCount = sop.FailureCount
};
if (sop.Extension != null)
columns.Extension = sop.Extension;
update.Update(sop.GetKey(), columns);
updateContext.Commit();
}
}));
}
/// <summary>
/// Routine for failing a work queue uid record.
/// </summary>
/// <param name="uid">The WorkQueueUid record to fail.</param>
/// <param name="retry">A boolean value indicating whether a retry will be attempted later.</param>
protected void FailWorkQueueUid(WorkQueueUid uid, bool retry)
{
using (IUpdateContext updateContext = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
IWorkQueueUidEntityBroker uidUpdateBroker = updateContext.GetBroker<IWorkQueueUidEntityBroker>();
WorkQueueUidUpdateColumns columns = new WorkQueueUidUpdateColumns();
if (!retry)
columns.Failed = true;
else
{
if (uid.FailureCount >= ImageServerCommonConfiguration.WorkQueueMaxFailureCount)
{
columns.Failed = true;
}
else
{
columns.FailureCount = ++uid.FailureCount;
}
}
if (uidUpdateBroker.Update(uid.GetKey(), columns))
updateContext.Commit();
else
throw new ApplicationException(String.Format("FailUid(): Unable to update work queue uid {0}", uid.Key));
}
}
/// <summary>
/// Delete an entry in the <see cref="WorkQueueUid"/> table.
/// </summary>
/// <param name="sop">The <see cref="WorkQueueUid"/> entry to delete.</param>
protected virtual void DeleteWorkQueueUid(WorkQueueUid sop)
{
// Must retry in case of db error.
// Failure to do so may lead to orphaned WorkQueueUid and FileNotFoundException
// when the work queue is reset.
int retryCount = 0;
while (true)
{
try
{
TimeSpanStatistics time = TimeSpanStatisticsHelper.Measure(
delegate
{
using (IUpdateContext updateContext = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
IWorkQueueUidEntityBroker delete = updateContext.GetBroker<IWorkQueueUidEntityBroker>();
delete.Delete(sop.GetKey());
updateContext.Commit();
}
});
DBUpdateTime.Add(time);
break; // done
}
catch (Exception ex)
{
if (ex is PersistenceException || ex is SqlException)
{
if (retryCount > MAX_DB_RETRY)
{
Platform.Log(LogLevel.Error, ex, "Error occurred when calling DeleteWorkQueueUid. Max db retry count has been reached.");
WorkQueueItem.FailureDescription = String.Format("Error occurred when calling DeleteWorkQueueUid. Max db retry count has been reached.");
PostProcessingFailure(WorkQueueItem, WorkQueueProcessorFailureType.Fatal);
return;
}
Platform.Log(LogLevel.Error, ex, "Error occurred when calling DeleteWorkQueueUid(). Retry later. SOPUID={0}", sop.SopInstanceUid);
SleepForRetry();
// Service is stoping
if (CancelPending)
{
Platform.Log(LogLevel.Warn, "Termination Requested. DeleteWorkQueueUid() is now terminated.");
break;
}
retryCount++;
}
else
throw;
}
}
}
