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Commands are stored in memory and prevents duplicate jobs

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This commit is contained in:
Mark McDowall 2013-08-27 23:51:42 -07:00
parent a86c131761
commit c917cdc0cc
16 changed files with 244 additions and 13 deletions
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12
NzbDrone.Common/Messaging/MessageAggregator.cs
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@ -4,6 +4,8 @@ using System.Linq;
using System.Threading.Tasks;
using NLog;
using NzbDrone.Common.EnsureThat;
using NzbDrone.Common.Messaging.Events;
using NzbDrone.Common.Messaging.Manager;
using NzbDrone.Common.Serializer;
using NzbDrone.Common.TPL;
@ -13,12 +15,14 @@ namespace NzbDrone.Common.Messaging
{
private readonly Logger _logger;
private readonly IServiceFactory _serviceFactory;
private readonly IManageCommands _commandManager;
private readonly TaskFactory _taskFactory;
public MessageAggregator(Logger logger, IServiceFactory serviceFactory)
public MessageAggregator(Logger logger, IServiceFactory serviceFactory, IManageCommands commandManager)
{
_logger = logger;
_serviceFactory = serviceFactory;
_commandManager = commandManager;
var scheduler = new LimitedConcurrencyLevelTaskScheduler(2);
_taskFactory = new TaskFactory(scheduler);
}
@ -86,6 +90,12 @@ namespace NzbDrone.Common.Messaging
try
{
if (_commandManager.ExistingItem(command))
{
_logger.Info("Command is already in progress: {0}", command.GetType().Name);
return;
}
PublishEvent(new CommandStartedEvent(command));
handler.Execute(command);
sw.Stop();