protected MetricStore(MetricStore another)
{
this.vmName = another.vmName;
this.date = another.date;
this.metrics = new Dictionary <string, Metric>();
foreach (var entry in another.metrics)
{
this.metrics.Add(entry.Key, entry.Value);
}
}
public MetricStoreActor(string vmName, string date)
{
_metricStore = new MetricStore(vmName, date);
// Recover messages
Recover <UpsertMetric>(um => ProcessUpsertMetric(um));
Recover <SnapshotOffer>(offer => {
var ms = offer.Snapshot as MetricStore;
if (ms != null) // null check
{
_metricStore = ms;
}
});
// Commands
Command <UpsertMetric>(um => Persist(um, s => {
_log.Debug($"Received UpserMetrics msg actor id={PersistenceId}");
ProcessUpsertMetric(um);
// SaveSnapshot(_metricStore.Clone());
}));
Command <Messages.Stopping>(um => ProcessStopping());
Command <SaveSnapshotSuccess>(success => {
// soft-delete the journal up until the sequence # at
// which the snapshot was taken
DeleteMessages(success.Metadata.SequenceNr);
// Delete all previous snapshots so we only keep the latest one
var snapSelectCrit = new SnapshotSelectionCriteria(success.Metadata.SequenceNr - 1, success.Metadata.Timestamp, 0, new DateTime(0));
DeleteSnapshots(snapSelectCrit);
_log.Info($"Save snapshot successful for actor id={PersistenceId}");
// Tell all the metric accumulators dispatchers that this actor is finishing
var selection = Context.ActorSelection("/user/*/MetricAccumulatorDispatcher");
// var selection = Context.ActorSelection("/*/MetricAccumulatorDispatcher*");
selection.Tell(new Messages.MetricStoreActorStopping());
_log.Debug($"Signalled stopping to MetricAccumulatorDispatcher for actor id={PersistenceId}");
Context.Stop(Context.Self);
});
Command <SaveSnapshotFailure>(failure => {
_log.Error($"ERROR: Failed to save snapshot for actor with id={PersistenceId}.\nMessage:{failure.Cause.Message}");
});
Command <Messages.BuildTransformSeries>(msg => ProcessPipeline(msg));
}