protected virtual async Task ReadSnapshotAsync()
{
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace("Start read snapshot with Id = {0}", GrainId.ToString());
}
try
{
Snapshot = await SnapshotStorage.Get(GrainId);
if (Snapshot == default)
{
//从归档中恢复状态
if (ArchiveOptions.On && LastArchive != default)
{
Snapshot = await ArchiveStorage.GetById(LastArchive.Id);
}
}
if (Snapshot == default)
{
//新建状态
var createTask = CreateSnapshot();
if (!createTask.IsCompletedSuccessfully)
{
await createTask;
}
}
else if (IsTxShadow)
{
Snapshot = new TxSnapshot <PrimaryKey, StateType>()
{
Base = new TxSnapshotBase <PrimaryKey>(Snapshot.Base),
State = Snapshot.State
};
}
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace("The snapshot of id = {0} read completed, state version = {1}", GrainId.ToString(), this.Snapshot.Base.Version);
}
}
catch (Exception ex)
{
if (Logger.IsEnabled(LogLevel.Critical))
{
Logger.LogCritical(ex, "The snapshot of id = {0} read failed", GrainId.ToString());
}
throw;
}
}
protected virtual async Task ReadSnapshotAsync()
{
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace(LogEventIds.GrainSnapshot, "Start read snapshot with Id = {0} ,state version = {1}", GrainId.ToString(), Snapshot.Base.Version);
}
try
{
//从快照中恢复状态
Snapshot = await SnapshotStorage.Get(GrainId);
if (Snapshot == default)
{
//从归档中恢复状态
if (ArchiveOptions.On && LastArchive != default)
{
Snapshot = await ArchiveStorage.GetState(LastArchive.Id);
await SaveSnapshotAsync(true, false);
}
if (Snapshot == default)
{
//新建状态
var createTask = CreateState();
if (!createTask.IsCompletedSuccessfully)
{
await createTask;
}
}
}
SnapshotEventVersion = Snapshot.Base.Version;
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace(LogEventIds.GrainSnapshot, "The snapshot of id = {0} read completed, state version = {1}", GrainId.ToString(), Snapshot.Base.Version);
}
}
catch (Exception ex)
{
if (Logger.IsEnabled(LogLevel.Critical))
{
Logger.LogCritical(LogEventIds.GrainSnapshot, ex, "The snapshot of id = {0} read failed", GrainId.ToString());
}
throw;
}
}
protected virtual async Task ReadSnapshotAsync()
{
try
{
Snapshot = await SnapshotStorage.Get(GrainId);
if (Snapshot is null)
{
//从归档中恢复状态
if (ArchiveOptions.On && LastArchive != null)
{
Snapshot = await ArchiveStorage.GetById(LastArchive.Id);
}
}
if (Snapshot is null)
{
//新建状态
var createTask = CreateSnapshot();
if (!createTask.IsCompletedSuccessfully)
{
await createTask;
}
}
else if (IsTxShadow)
{
Snapshot = new TxSnapshot <PrimaryKey, StateType>()
{
Base = new TxSnapshotBase <PrimaryKey>(Snapshot.Base),
State = Snapshot.State
};
}
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace("ReadSnapshot completed: {0}->{1}", GrainType.FullName, Serializer.Serialize(Snapshot));
}
}
catch (Exception ex)
{
Logger.LogCritical(ex, "ReadSnapshot failed: {0}->{1}", GrainType.FullName, GrainId.ToString());
throw;
}
}
protected virtual async Task ReadSnapshotAsync()
{
try
{
//从快照中恢复状态
Snapshot = await SnapshotStorage.Get(GrainId);
if (Snapshot is null)
{
//从归档中恢复状态
if (ArchiveOptions.On && LastArchive != null)
{
Snapshot = await ArchiveStorage.GetById(LastArchive.Id);
}
if (Snapshot is null)
{
//新建状态
var createTask = CreateSnapshot();
if (!createTask.IsCompletedSuccessfully)
{
await createTask;
}
}
}
SnapshotEventVersion = Snapshot.Base.Version;
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace("ReadSnapshot completed: {0}->{1}", GrainType.FullName, Serializer.Serialize(Snapshot));
}
}
catch (Exception ex)
{
Logger.LogCritical(ex, "ReadSnapshot failed: {0}->{1}", GrainType.FullName, GrainId.ToString());
throw;
}
}