/// <inheritdoc />
public void Fail(Guid taskId, DateTime timestampUtc, Exception error)
{
if (error == null)
{
throw new ArgumentNullException(nameof(error));
}
Trace.WriteLine("ENTER: Record task '{0}' failed with error '{1}' ...".FormatInvariant(taskId, error.Message));
string taskIdAsString = RedisConverter.ToString(taskId);
string entityKey = RedisTaskRuntimeInfoRepository.GetEntityKey(taskIdAsString);
RedisTaskRuntimeInfo taskInfo = this.GetById(taskId, false);
taskInfo.Status = TaskStatus.Failed;
taskInfo.CompletedUtc = timestampUtc;
taskInfo.Error = error.ToString();
byte[] content = this.serializer.Serialize(taskInfo);
using (IRedisTransaction transaction = this.Provider.CreateTransaction())
{
transaction.RemoveKey(entityKey);
transaction.RemoveFromList(RedisTaskRuntimeInfoRepository.ActiveTasksList, taskIdAsString);
transaction.AddToList(RedisTaskRuntimeInfoRepository.FailedTasksList, taskIdAsString);
transaction.SetHashValue(RedisTaskRuntimeInfoRepository.ArchiveTasksHash, taskIdAsString, content);
transaction.Commit();
}
Trace.WriteLine("EXIT: Task '{0}' failed with error '{1}' recorded.".FormatInvariant(taskId, error.Message));
}
/// <inheritdoc />
public void Add(ITaskRuntimeInfo taskInfo)
{
if (taskInfo == null)
{
throw new ArgumentNullException("taskInfo");
}
Trace.WriteLine("ENTER: Adding runtime information for task '{0}' of type '{1}' with priority '{2}' in polling queue '{3}' ...".FormatInvariant(taskInfo.TaskId, taskInfo.TaskType, taskInfo.Priority, taskInfo.PollingQueue));
taskInfo.ValidateForAdd();
string entityKey = RedisTaskRuntimeInfoRepository.GetEntityKey(taskInfo.TaskId);
string addToListKey;
Dictionary <string, string> values = new Dictionary <string, string>()
{
{ "Id", RedisConverter.ToString(taskInfo.TaskId) },
{ "TaskType", RedisConverter.ToString(taskInfo.TaskType, true) },
{ "SubmittedUtc", RedisConverter.ToString(taskInfo.SubmittedUtc) },
{ "Status", RedisConverter.ToString(taskInfo.Status) }
};
if (string.IsNullOrEmpty(taskInfo.PollingQueue))
{
values.Add("Priority", RedisConverter.ToString(taskInfo.Priority));
addToListKey = RedisTaskRuntimeInfoRepository.PendingTasksList;
}
else
{
values.Add("PollingQueue", taskInfo.PollingQueue);
addToListKey = RedisTaskRuntimeInfoRepository.GetPollingQueueRedisKey(taskInfo.PollingQueue, TaskStatus.Pending);
}
using (IRedisTransaction transaction = this.Provider.CreateTransaction())
{
transaction.SetHashValues(entityKey, values);
transaction.AddToList(addToListKey, RedisConverter.ToString(taskInfo.TaskId));
transaction.Commit();
}
Trace.WriteLine("EXIT: Runtime information for task '{0}' of type '{1}' with priority '{2}' in polling queue '{3}' added.".FormatInvariant(taskInfo.TaskId, taskInfo.TaskType, taskInfo.Priority, taskInfo.PollingQueue));
}
/// <inheritdoc />
public void Push(IUniqueMessage message)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
if (string.IsNullOrEmpty(message.MessageUniqueId))
{
throw new ArgumentException("MessageUniqueId is null or empty.".FormatInvariant(message), "message");
}
if (this.isDisposed)
{
throw new ObjectDisposedException(this.GetType().Name);
}
Trace.WriteLine("ENTER: Adding message {0}:{1} to list '{2}' ...".FormatInvariant(message.GetType().Name, message.MessageUniqueId, RedisTaskProcessorMessageQueue.MessageQueueListKey));
byte[] content = this.serializer.Serialize(message);
if (this.serializer.CanDetermineEntityTypeFromContent)
{
this.provider.AddToList(RedisTaskProcessorMessageQueue.MessageQueueListKey, content);
}
else
{
string messageUniqueId = string.Join("$", message.GetType().Name, message.MessageUniqueId);
using (IRedisTransaction transaction = this.provider.CreateTransaction())
{
transaction.AddToList(RedisTaskProcessorMessageQueue.MessageQueueListKey, messageUniqueId);
transaction.SetHashValue(RedisTaskProcessorMessageQueue.MessageQueueContentKey, messageUniqueId, content);
transaction.SetHashValue(RedisTaskProcessorMessageQueue.MessageQueueContentKey, messageUniqueId + "$Type", RedisConverter.ToString(message.GetType(), false));
transaction.Commit();
}
}
this.provider.PublishMessage(RedisTaskProcessorMessageQueue.MasterCommandsChannel, string.Empty);
Trace.WriteLine("EXIT: Message {0}:{1} added to list '{2}'.".FormatInvariant(message.GetType().Name, message.MessageUniqueId, RedisTaskProcessorMessageQueue.MessageQueueListKey));
}
/// <inheritdoc />
public void Start(Guid taskId, Guid taskProcessorId, DateTime timestampUtc)
{
Trace.WriteLine("ENTER: Recording task '{0}' started by processor '{1}' ...".FormatInvariant(taskId, taskProcessorId));
string entityKey = RedisTaskRuntimeInfoRepository.GetEntityKey(taskId);
Dictionary <string, string> values = new Dictionary <string, string>()
{
{ "Status", RedisConverter.ToString(TaskStatus.InProgress) },
{ "TaskProcessorId", RedisConverter.ToString(taskProcessorId) },
{ "StartedUtc", RedisConverter.ToString(timestampUtc) }
};
using (IRedisTransaction transaction = this.Provider.CreateTransaction())
{
transaction.SetHashValues(entityKey, values);
transaction.RemoveFromList(RedisTaskRuntimeInfoRepository.PendingTasksList, RedisConverter.ToString(taskId));
transaction.AddToList(RedisTaskRuntimeInfoRepository.ActiveTasksList, RedisConverter.ToString(taskId));
transaction.Commit();
}
Trace.WriteLine("EXIT: Task '{0}' assigned to processor '{1}' recorded.".FormatInvariant(taskId, taskProcessorId));
}
