/// <summary>
/// Parses <see cref="GtidSet"/> from string representation.
/// </summary>
public static GtidSet Parse(string gtidSet)
{
if (gtidSet == null)
{
throw new ArgumentNullException(nameof(gtidSet));
}
if (gtidSet == "")
{
return(new GtidSet());
}
var uuidSets = gtidSet.Replace("\n", "")
.Split(',')
.Select(x => x.Trim())
.ToArray();
var result = new GtidSet();
foreach (var uuidSet in uuidSets)
{
int separatorIndex = uuidSet.IndexOf(':');
var sourceId = Uuid.Parse(uuidSet.Substring(0, separatorIndex));
var intervals = new List <Interval>();
string[] ranges = uuidSet.Substring(separatorIndex + 1).Split(':');
foreach (var token in ranges)
{
string[] range = token.Split('-');
var interval = range.Length switch
{
1 => new Interval(long.Parse(range[0]), long.Parse(range[0])),
2 => new Interval(long.Parse(range[0]), long.Parse(range[1])),
_ => throw new FormatException($"Invalid interval format {token}")
};
intervals.Add(interval);
}
result.UuidSets[sourceId] = new UuidSet(sourceId, intervals);
}
return(result);
}
/// <summary>
/// Parses <see cref="PreviousGtidsEvent"/> from the buffer.
/// </summary>
public IBinlogEvent ParseEvent(EventHeader header, ref PacketReader reader)
{
long uuidSetNumber = reader.ReadInt64LittleEndian();
var gtidSet = new GtidSet();
for (long i = 0; i < uuidSetNumber; i++)
{
var sourceId = new Uuid(reader.ReadByteArraySlow(16));
var uuidSet = new UuidSet(sourceId, new List <Interval>());
long intervalNumber = reader.ReadInt64LittleEndian();
for (long y = 0; y < intervalNumber; y++)
{
long start = reader.ReadInt64LittleEndian();
long end = reader.ReadInt64LittleEndian();
uuidSet.Intervals.Add(new Interval(start, end));
}
gtidSet.UuidSets[sourceId] = uuidSet;
}
return(new PreviousGtidsEvent(header, gtidSet));
}
