private void TraverseChunk(TFChunk.TFChunk chunk,
Action<PrepareLogRecord, int> processPrepare,
Action<CommitLogRecord, int> processCommit,
Action<SystemLogRecord, int> processSystem)
{
var result = chunk.TryReadFirst();
while (result.Success)
{
var record = result.LogRecord;
switch (record.RecordType)
{
case LogRecordType.Prepare:
{
var prepare = (PrepareLogRecord)record;
processPrepare(prepare, result.RecordLength);
break;
}
case LogRecordType.Commit:
{
var commit = (CommitLogRecord)record;
processCommit(commit, result.RecordLength);
break;
}
case LogRecordType.System:
{
var system = (SystemLogRecord)record;
processSystem(system, result.RecordLength);
break;
}
default:
throw new ArgumentOutOfRangeException();
}
result = chunk.TryReadClosestForward(result.NextPosition);
}
}
private void TraverseChunkBasic(TFChunk.TFChunk chunk, CancellationToken ct,
Action <CandidateRecord> process)
{
var result = chunk.TryReadFirst();
while (result.Success)
{
process(new CandidateRecord(result.LogRecord, result.RecordLength));
ct.ThrowIfCancellationRequested();
result = chunk.TryReadClosestForward(result.NextPosition);
}
}
