public void Handle(ProjectionSubscriptionMessage.CheckpointSuggested message)
{
if (IsOutOfOrderSubscriptionMessage(message))
{
return;
}
RegisterSubscriptionMessage(message);
EnsureState(
State.Running | State.Paused | State.Stopping | State.Stopped | State.FaultedStopping | State.Faulted);
try
{
if ((_state == State.Running || _state == State.Paused) && _projectionConfig.CheckpointsEnabled)
{
CheckpointTag checkpointTag = message.CheckpointTag;
var checkpointSuggestedWorkItem = new CheckpointSuggestedWorkItem(this, message, _checkpointManager);
_processingQueue.EnqueueTask(checkpointSuggestedWorkItem, checkpointTag);
}
_processingQueue.ProcessEvent();
}
catch (Exception ex)
{
SetFaulted(ex);
}
}
public void SetCurrentCheckpointSuggestedWorkItem(CheckpointSuggestedWorkItem checkpointSuggestedWorkItem)
{
if (_checkpointSuggestedWorkItem != null && checkpointSuggestedWorkItem != null)
throw new InvalidOperationException("Checkpoint in progress");
if (_checkpointSuggestedWorkItem == null && checkpointSuggestedWorkItem == null)
throw new InvalidOperationException("No checkpoint in progress");
_checkpointSuggestedWorkItem = checkpointSuggestedWorkItem;
}
private void CompleteCheckpointSuggestedWorkItem()
{
var workItem = _checkpointSuggestedWorkItem;
if (workItem != null) {
_checkpointSuggestedWorkItem = null;
workItem.CheckpointCompleted();
EnsureTickPending();
}
}
public void Handle(EventReaderSubscriptionMessage.CheckpointSuggested message)
{
if (IsOutOfOrderSubscriptionMessage(message))
{
return;
}
RegisterSubscriptionMessage(message);
try {
if (_useCheckpoints)
{
CheckpointTag checkpointTag = message.CheckpointTag;
var checkpointSuggestedWorkItem =
new CheckpointSuggestedWorkItem(this, message, _checkpointManager);
_processingQueue.EnqueueTask(checkpointSuggestedWorkItem, checkpointTag,
allowCurrentPosition: true);
}
ProcessEvent();
} catch (Exception ex) {
_coreProjection.SetFaulted(ex);
}
}
public void SetCurrentCheckpointSuggestedWorkItem(CheckpointSuggestedWorkItem checkpointSuggestedWorkItem)
{
_coreProjection.SetCurrentCheckpointSuggestedWorkItem(checkpointSuggestedWorkItem);
}