public static Position ParsePosition(this ReadOnlyMemory <byte> json)
{
var checkPoint = json.ParseJson <string>();
var parts = checkPoint.Split('/');
var commitPosition = ulong.Parse(parts[0].Split(':')[1]);
var preparePosition = ulong.Parse(parts[1].Split(':')[1]);
return(new Position(commitPosition, preparePosition));
}
public static PersistentSubscriptionConfig FromSerializedForm(ReadOnlyMemory <byte> data)
{
try {
var ret = data.ParseJson <PersistentSubscriptionConfig>();
if (ret.Version == null)
{
throw new BadConfigDataException("Deserialized but no version present, invalid configuration data.",
null);
}
UpdateIfRequired(ret);
return(ret);
} catch (Exception ex) {
throw new BadConfigDataException("The config data appears to be invalid", ex);
}
}
public EpochRecord GetEpochRecord()
{
if (SystemRecordType != SystemRecordType.Epoch)
{
throw new ArgumentException(
string.Format("Unexpected type of system record. Requested: {0}, actual: {1}.",
SystemRecordType.Epoch, SystemRecordType));
}
switch (SystemRecordSerialization)
{
case SystemRecordSerialization.Json: {
var dto = Data.ParseJson <EpochRecord.EpochRecordDto>();
return(new EpochRecord(dto));
}
default:
throw new ArgumentOutOfRangeException(
string.Format("Unexpected SystemRecordSerialization type: {0}", SystemRecordSerialization),
"SystemRecordSerialization");
}
}
public static StreamPosition ParseStreamPosition(this ReadOnlyMemory <byte> json)
{
var checkPoint = json.ParseJson <string>();
return(StreamPosition.FromInt64(int.Parse(checkPoint)));
}