/// <inheritdoc />
public void RequestCancel(Guid taskId, DateTime timestampUtc)
{
Trace.WriteLine("ENTER: Record task '{0}' cancel request ...".FormatInvariant(taskId));
string taskIdAsString = RedisConverter.ToString(taskId);
string entityKey = RedisTaskRuntimeInfoRepository.GetEntityKey(taskIdAsString);
RedisTaskRuntimeInfo taskInfo = this.GetById(taskId, false);
taskInfo.Status = TaskStatus.Canceled;
taskInfo.CanceledUtc = timestampUtc;
byte[] content = this.serializer.Serialize(taskInfo);
using (IRedisTransaction transaction = this.Provider.CreateTransaction())
{
transaction.RemoveKey(entityKey);
transaction.RemoveFromList(RedisTaskRuntimeInfoRepository.PendingTasksList, taskIdAsString);
transaction.RemoveFromList(RedisTaskRuntimeInfoRepository.ActiveTasksList, taskIdAsString);
transaction.SetHashValue(RedisTaskRuntimeInfoRepository.ArchiveTasksHash, taskIdAsString, content);
transaction.Commit();
}
Trace.WriteLine("EXIT: Task '{0}' cancel request recorded.".FormatInvariant(taskId));
}
/// <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 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));
}
