/// <summary>
/// THIS ASSUMES THAT IT IS CALLED ON A THREAD HOLDING THE LOCK ON THE HeartBeatManager
/// </summary>
/// <param name="e"></param>
private void HandleTaskInitializationException(TaskClientCodeException e)
{
byte[] error;
try
{
error = ByteUtilities.SerializeToBinaryFormat(e);
}
catch (SerializationException se)
{
error = ByteUtilities.SerializeToBinaryFormat(
TaskClientCodeException.CreateWithNonSerializableInnerException(e, se));
}
var avroFailedTask = new AvroFailedTask
{
identifier = e.TaskId,
cause = error,
data = ByteUtilities.StringToByteArrays(e.ToString()),
message = e.Message
};
var taskStatus = new TaskStatusProto
{
context_id = e.ContextId,
task_id = e.TaskId,
result = AvroJsonSerializer<AvroFailedTask>.ToBytes(avroFailedTask),
state = State.FAILED
};
LOGGER.Log(Level.Error, "Sending Heartbeat for a failed task: {0}", taskStatus);
_heartBeatManager.OnNext(taskStatus);
}
public TaskStatusProto ToProto()
{
// This is locked because the Task continuation thread which sets the
// result is potentially different from the HeartBeat thread.
lock (_heartBeatManager)
{
Check();
TaskStatusProto taskStatusProto = new TaskStatusProto()
{
context_id = ContextId,
task_id = TaskId,
state = GetProtoState()
};
if (_result.IsPresent())
{
taskStatusProto.result = ByteUtilities.CopyBytesFrom(_result.Value);
}
else if (_lastException.IsPresent())
{
byte[] error;
try
{
error = ByteUtilities.SerializeToBinaryFormat(_lastException.Value);
}
catch (SerializationException se)
{
error = ByteUtilities.SerializeToBinaryFormat(
NonSerializableTaskException.UnableToSerialize(_lastException.Value, se));
}
var avroFailedTask = new AvroFailedTask
{
identifier = _taskId,
cause = error,
data = ByteUtilities.StringToByteArrays(_lastException.Value.ToString()),
message = _lastException.Value.Message
};
taskStatusProto.result = AvroJsonSerializer<AvroFailedTask>.ToBytes(avroFailedTask);
}
else if (_state == TaskState.Running)
{
foreach (TaskMessage message in GetMessages())
{
TaskStatusProto.TaskMessageProto taskMessageProto = new TaskStatusProto.TaskMessageProto()
{
source_id = message.MessageSourceId,
message = ByteUtilities.CopyBytesFrom(message.Message),
};
taskStatusProto.task_message.Add(taskMessageProto);
}
}
return taskStatusProto;
}
}
