/// <summary>
/// Initializes a new instance of the <see cref="StateSaver" /> class.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="engine">The engine.</param>
protected StateSaver(IStateWriter writer, CoreReactiveEngine engine)
{
Debug.Assert(writer != null, "Reader should not be null.");
Debug.Assert(engine != null, "Engine should not be null.");
_writer = writer;
_engine = engine;
_registry = engine.Parent._registry;
_snapshot = _registry.TakeSnapshot();
}
public void TruncateLoggedEntities(IQueryEngineRegistrySnapshot snapshot)
{
if (snapshot == null)
{
throw new ArgumentNullException(nameof(snapshot));
}
Observers.ClearRemovedKeys(snapshot.RemovedObservers);
Observables.ClearRemovedKeys(snapshot.RemovedObservables);
SubjectFactories.ClearRemovedKeys(snapshot.RemovedSubjectFactories);
Subjects.ClearRemovedKeys(snapshot.RemovedSubjects);
ReliableSubscriptions.ClearRemovedKeys(snapshot.RemovedReliableSubscriptions);
SubscriptionFactories.ClearRemovedKeys(snapshot.RemovedSubscriptionFactories);
Subscriptions.ClearRemovedKeys(snapshot.RemovedSubscriptions);
Other.ClearRemovedKeys(snapshot.RemovedOther);
Templates.ClearRemovedKeys(snapshot.RemovedTemplates);
}