public IndexReadEventResult(ReadEventResult result, EventRecord record, StreamMetadata metadata, int lastEventNumber)
{
Result = result;
Record = record;
Metadata = metadata;
LastEventNumber = lastEventNumber;
}
public IndexReadEventResult(ReadEventResult result, EventRecord record, StreamMetadata metadata, int lastEventNumber)
{
Result = result;
Record = record;
Metadata = metadata;
LastEventNumber = lastEventNumber;
}
public IndexReadEventResult(ReadEventResult result)
{
if (result == ReadEventResult.Success)
throw new ArgumentException(string.Format("Wrong ReadEventResult provided for failure constructor: {0}.", result), "result");
Result = result;
Record = null;
}
public IndexReadEventResult(ReadEventResult result, EventRecord record, StreamMetadata metadata, long lastEventNumber, bool originalStreamExists)
{
Result = result;
Record = record;
Metadata = metadata;
LastEventNumber = lastEventNumber;
OriginalStreamExists = originalStreamExists;
}
public IndexReadEventResult(ReadEventResult result, EventRecord record, StreamMetadata metadata, int lastEventNumber, bool originalStreamExists)
{
Result = result;
Record = record;
Metadata = metadata;
LastEventNumber = lastEventNumber;
OriginalStreamExists = originalStreamExists;
}
public IndexReadEventResult(ReadEventResult result, StreamMetadata metadata, int lastEventNumber)
{
if (result == ReadEventResult.Success)
throw new ArgumentException(string.Format("Wrong ReadEventResult provided for failure constructor: {0}.", result), "result");
Result = result;
Record = null;
Metadata = metadata;
LastEventNumber = lastEventNumber;
}
public IndexReadEventResult(ReadEventResult result, StreamMetadata metadata)
{
if (result == ReadEventResult.Success)
{
throw new ArgumentException(string.Format("Wrong ReadEventResult provided for failure constructor: {0}.", result), "result");
}
Result = result;
Record = null;
Metadata = metadata;
}
public IndexReadEventResult(ReadEventResult result, StreamMetadata metadata, long lastEventNumber, bool originalStreamExists)
{
if (result == ReadEventResult.Success)
{
throw new ArgumentException(string.Format("Wrong ReadEventResult provided for failure constructor: {0}.", result), "result");
}
Result = result;
Record = null;
Metadata = metadata;
LastEventNumber = lastEventNumber;
OriginalStreamExists = originalStreamExists;
}
public IndexReadEventResult(ReadEventResult result, EventRecord record, StreamMetadata metadata)
{
Result = result;
Record = record;
Metadata = metadata;
}
public IndexReadEventResult(ReadEventResult result, EventRecord record, StreamMetadata metadata)
{
Result = result;
Record = record;
Metadata = metadata;
}
public ReadEventCompleted(Guid correlationId, string eventStreamId, ReadEventResult result, ResolvedEvent record)
{
Ensure.NotNullOrEmpty(eventStreamId, "eventStreamId");
if (result == ReadEventResult.Success)
Ensure.NotNull(record.Event, "record.Event");
CorrelationId = correlationId;
EventStreamId = eventStreamId;
Result = result;
Record = record;
}
public IndexReadEventResult(ReadEventResult result, EventRecord record)
{
Result = result;
Record = record;
}
public void Commit(CommitLogRecord commit)
{
var lastCommitPosition = Interlocked.Read(ref _lastCommitPosition);
if (commit.LogPosition < lastCommitPosition || (commit.LogPosition == lastCommitPosition && !_indexRebuild))
{
return; // already committed
}
bool first = true;
int eventNumber = -1;
uint streamHash = 0;
string streamId = null;
foreach (var prepare in GetTransactionPrepares(commit.TransactionPosition))
{
if (first)
{
streamHash = _hasher.Hash(prepare.EventStreamId);
streamId = prepare.EventStreamId;
first = false;
}
else
{
Debug.Assert(prepare.EventStreamId == streamId);
}
bool addToIndex = false;
if ((prepare.Flags & PrepareFlags.StreamDelete) != 0)
{
eventNumber = EventNumber.DeletedStream;
_committedEvents.PutRecord(prepare.EventId, Tuple.Create(streamId, eventNumber), throwOnDuplicate: false);
addToIndex = commit.LogPosition > _persistedCommitCheckpoint ||
commit.LogPosition == _persistedCommitCheckpoint && prepare.LogPosition > _persistedPrepareCheckpoint;
}
else if ((prepare.Flags & PrepareFlags.Data) != 0)
{
eventNumber = commit.EventNumber + prepare.TransactionOffset;
_committedEvents.PutRecord(prepare.EventId, Tuple.Create(streamId, eventNumber), throwOnDuplicate: false);
addToIndex = commit.LogPosition > _persistedCommitCheckpoint ||
commit.LogPosition == _persistedCommitCheckpoint && prepare.LogPosition > _persistedPrepareCheckpoint;
}
// could be just empty prepares for TransactionBegin and TransactionEnd, for instance
// or records which are rebuilt but are already in PTables
if (addToIndex)
{
#if CHECK_COMMIT_DUPLICATES
long pos;
if (_tableIndex.TryGetOneValue(streamHash, eventNumber, out pos))
{
ReadEventResult res = ((IReadIndex)this).ReadEvent(eventStreamId, eventNumber);
if (res.Result == SingleReadResult.Success)
{
Debugger.Break();
throw new Exception(
string.Format(
"Trying to add duplicate event #{0} for stream {1}(hash {2})\nCommit: {3}\nPrepare: {4}.",
eventNumber,
eventStreamId,
streamHash,
commit,
prepare));
}
}
#endif
_tableIndex.Add(commit.LogPosition, streamHash, eventNumber, prepare.LogPosition);
_bus.Publish(new StorageMessage.EventCommited(commit.LogPosition, eventNumber, prepare));
}
}
if (first)
{
throw new Exception("No prepares for commit found!");
}
var newLastCommitPosition = commit.LogPosition > lastCommitPosition ? commit.LogPosition : lastCommitPosition;
if (Interlocked.CompareExchange(ref _lastCommitPosition, newLastCommitPosition, lastCommitPosition) != lastCommitPosition)
{
throw new Exception("Concurrency error in ReadIndex.Commit: _lastCommitPosition was modified during Commit execution!");
}
_streamInfoCache.Put(streamId,
key => new StreamCacheInfo(eventNumber, null),
(key, old) => new StreamCacheInfo(eventNumber, old.Metadata));
}
