/// <summary>
/// Empty all the tasks out of the given tenants queue
/// </summary>
/// <param name="tenantId"></param>
/// <returns>The tasks</returns>
public IEnumerable <BackgroundTask> EmptyQueue(long tenantId)
{
var result = new List <BackgroundTask>();
QueueActioner <BackgroundTask> actioner;
if (!TenantActioners.TryGetValue(tenantId, out actioner))
{
throw new UnknownTenantException(tenantId);
}
BackgroundTask next = null;
do
{
next = actioner.Queue.Dequeue();
if (next != null)
{
result.Add(next);
}
} while (next != null);
return(result);
}
public void EnqueueTask(long tenantId, BackgroundTask task)
{
QueueActioner <BackgroundTask> actioner;
if (!TenantActioners.TryGetValue(tenantId, out actioner))
{
throw new UnknownTenantException(tenantId);
}
actioner.Queue.Enqueue(task);
}
/// <summary>
/// Get the queue name and lengths
/// </summary>
/// <returns></returns>
public IEnumerable <QueueLengthEntry> QueueLengths()
{
return(TenantActioners.Select(entry =>
new QueueLengthEntry
{
QueueName = entry.Value.Queue.Name,
TenantName = TenantHelper.GetTenantName(entry.Key),
TenantId = entry.Key,
Length = entry.Value.Queue.Length
}
));
}
/// <summary>
/// Add a tenant to manage the background tasks of
/// </summary>
/// <param name="tenantId"></param>
public void AddTenant(long tenantId)
{
lock (_sync)
{
if (!TenantActioners.Keys.Contains(tenantId))
{
var queue = _tenantQueueFactory.Create(tenantId);
TenantActioners.Add(tenantId, new QueueActioner <BackgroundTask>(queue, ProcessTask, _perTenantConcurrency));
}
}
}
