/// <summary>
/// Parses <see cref="GtidEvent"/> from the buffer.
/// </summary>
public IBinlogEvent ParseEvent(EventHeader header, ref PacketReader reader)
{
var flags = reader.ReadByte();
var sourceId = new Uuid(reader.ReadByteArraySlow(16));
var transactionId = reader.ReadInt64LittleEndian();
var gtid = new Gtid(sourceId, transactionId);
return(new GtidEvent(header, gtid, flags));
}
/// <summary>
/// Adds a gtid value to the UuidSet.
/// </summary>
public bool AddGtid(Gtid gtid)
{
if (SourceId != gtid.SourceId)
{
throw new ArgumentException("SourceId of the passed gtid doesn't belong to the UuidSet");
}
int index = FindIntervalIndex(gtid.TransactionId);
bool added = false;
if (index < Intervals.Count)
{
var interval = Intervals[index];
if (interval.Start == gtid.TransactionId + 1)
{
interval.Start = gtid.TransactionId;
added = true;
}
else if (interval.End + 1 == gtid.TransactionId)
{
interval.End = gtid.TransactionId;
added = true;
}
else if (interval.Start <= gtid.TransactionId && gtid.TransactionId <= interval.End)
{
return(false);
}
}
if (!added)
{
Intervals.Insert(index, new Interval(gtid.TransactionId, gtid.TransactionId));
}
if (Intervals.Count > 1)
{
CollapseIntervals();
}
return(true);
}