private Guid GenerateDeterministicGuid(QueueId queueId)
{
// provider name hash code
JenkinsHash jenkinsHash = JenkinsHash.Factory.GetHashGenerator();
int providerNameGuidHash = (int)jenkinsHash.ComputeHash(providerName);
// get queueId hash code
uint queueIdHash = queueId.GetUniformHashCode();
byte[] queIdHashByes = BitConverter.GetBytes(queueIdHash);
short s1 = BitConverter.ToInt16(queIdHashByes, 0);
short s2 = BitConverter.ToInt16(queIdHashByes, 2);
// build guid tailing 8 bytes from providerNameGuidHash and queIdHashByes.
var tail = new List <byte>();
tail.AddRange(BitConverter.GetBytes(providerNameGuidHash));
tail.AddRange(queIdHashByes);
// make guid.
// - First int is provider name hash
// - Two shorts from queue Id hash
// - 8 byte tail from provider name hash and queue Id hash.
return(new Guid(providerNameGuidHash, s1, s2, tail.ToArray()));
}