/// <summary>
/// 删除状态
/// </summary>
/// <returns></returns>
protected async ValueTask DeleteSnapshot()
{
if (Snapshot.Base.IsOver)
{
throw new StateIsOverException(Snapshot.Base.StateId.ToString(), GrainType);
}
if (SnapshotEventVersion > 0)
{
await SnapshotStorage.Delete(GrainId);
SnapshotEventVersion = 0;
}
}
protected async Task Over(OverType overType)
{
if (Snapshot.Base.IsOver)
{
throw new StateIsOverException(Snapshot.Base.StateId.ToString(), GrainType);
}
if (Snapshot.Base.Version != Snapshot.Base.DoingVersion)
{
throw new StateInsecurityException(Snapshot.Base.StateId.ToString(), GrainType, Snapshot.Base.DoingVersion, Snapshot.Base.Version);
}
if (overType != OverType.None)
{
var versions = await ObserverUnit.GetAndSaveVersion(Snapshot.Base.StateId, Snapshot.Base.Version);
if (versions.Any(v => v < Snapshot.Base.Version))
{
throw new ObserverNotCompletedException(GrainType.FullName, Snapshot.Base.StateId.ToString());
}
}
Snapshot.Base.IsOver = true;
Snapshot.Base.IsLatest = true;
if (SnapshotEventVersion != Snapshot.Base.Version)
{
var saveTask = SaveSnapshotAsync(true, true);
if (!saveTask.IsCompletedSuccessfully)
{
await saveTask;
}
}
else
{
await SnapshotStorage.Over(Snapshot.Base.StateId, true);
}
if (overType == OverType.ArchivingEvent)
{
if (ArchiveOptions.On)
{
await DeleteAllArchive();
}
await ArchiveStorage.EventArichive(Snapshot.Base.StateId, Snapshot.Base.Version, Snapshot.Base.StartTimestamp);
}
else if (overType == OverType.DeleteEvent)
{
if (ArchiveOptions.On)
{
await DeleteAllArchive();
}
await EventStorage.DeletePrevious(Snapshot.Base.StateId, Snapshot.Base.Version, Snapshot.Base.StartTimestamp);
}
else if (overType == OverType.DeleteAll)
{
if (ArchiveOptions.On)
{
await DeleteAllArchive();
}
await EventStorage.DeletePrevious(Snapshot.Base.StateId, Snapshot.Base.Version, Snapshot.Base.StartTimestamp);
if (SnapshotEventVersion > 0)
{
await SnapshotStorage.Delete(GrainId);
SnapshotEventVersion = 0;
}
}
else if (ArchiveOptions.On && BriefArchiveList.Count > 0)
{
await ArchiveStorage.Over(Snapshot.Base.StateId, true);
}
}