/// <inheritdoc />
public override void GlobalBeforeEnteringState <Key, Value>(SystemState next, FasterKV <Key, Value> faster)
{
switch (next.Phase)
{
case Phase.PREPARE:
faster._hybridLogCheckpoint = faster._lastSnapshotCheckpoint;
base.GlobalBeforeEnteringState(next, faster);
faster._hybridLogCheckpoint.info.startLogicalAddress = faster.hlog.FlushedUntilAddress;
faster._hybridLogCheckpoint.prevVersion = next.Version;
break;
case Phase.WAIT_FLUSH:
base.GlobalBeforeEnteringState(next, faster);
faster._hybridLogCheckpoint.info.finalLogicalAddress = 0;
faster.ObtainCurrentTailAddress(ref faster._hybridLogCheckpoint.info.finalLogicalAddress);
if (faster._hybridLogCheckpoint.deltaLog == null)
{
faster._hybridLogCheckpoint.deltaFileDevice = faster.checkpointManager.GetDeltaLogDevice(faster._hybridLogCheckpointToken);
faster._hybridLogCheckpoint.deltaFileDevice.Initialize(-1);
faster._hybridLogCheckpoint.deltaLog = new DeltaLog(faster._hybridLogCheckpoint.deltaFileDevice, faster.hlog.LogPageSizeBits, -1);
faster._hybridLogCheckpoint.deltaLog.InitializeForWrites(faster.hlog.bufferPool);
}
faster.hlog.AsyncFlushDeltaToDevice(
faster._hybridLogCheckpoint.info.startLogicalAddress,
faster._hybridLogCheckpoint.info.finalLogicalAddress,
faster._lastSnapshotCheckpoint.info.finalLogicalAddress,
faster._hybridLogCheckpoint.prevVersion,
faster._hybridLogCheckpoint.deltaLog);
break;
case Phase.PERSISTENCE_CALLBACK:
faster._hybridLogCheckpoint.info.flushedLogicalAddress = faster.hlog.FlushedUntilAddress;
CollectMetadata(next, faster);
faster.WriteHybridLogIncrementalMetaInfo(faster._hybridLogCheckpoint.deltaLog);
faster._hybridLogCheckpoint.info.deltaTailAddress = faster._hybridLogCheckpoint.deltaLog.TailAddress;
faster._lastSnapshotCheckpoint = faster._hybridLogCheckpoint.Transfer();
faster._hybridLogCheckpoint.Dispose();
break;
}
}
