/// <summary>
/// Processes all pending tasks that can be found in the queue.
/// </summary>
protected internal virtual void ProcessPendingTasks()
{
var examinedTasks = new HashSet <Guid>();
var anyNewTasks = true;
// if a task had been preserved from the previous iteration,
// process it before moving forward.
if (MonitorClient.CurrentTask != null)
{
examinedTasks.Add(MonitorClient.CurrentTask.Identifier);
ProcessTask(MonitorClient.CurrentTask);
}
while (anyNewTasks)
{
anyNewTasks = false;
var taskCount = MonitorClient.PendingTasks(Settings.Default.Queue).Count;
for (var index = 0; index < taskCount; index++)
{
TaskMessage task;
try { task = MonitorClient.Reserve(Settings.Default.Queue); }
catch (QueueIsEmptyException)
{
Log.DebugFormat("No tasks in queue [{0}]", new QueueName(Settings.Default.Queue).NameWhenPending);
return;
}
if (examinedTasks.Contains(task.Identifier))
{
continue;
}
anyNewTasks = true;
ProcessTask(task);
examinedTasks.Add(task.Identifier);
}
}
}
