public string NewId(bool delimited)
{
// Keep access sequential so threads cannot accidentally
// read another thread's values within this method:
// Microseconds since InService (using Stopwatch) provides the
// first n chars (n = _numTimestampCharacters):
lock (_sb)
{
_sb.Clear();
long microseconds = ConcurrentStopwatch.GetMicroseconds();
string base36Microseconds = Base36Converter.FromLong(microseconds);
if (base36Microseconds.Length > this._numTimestampCharacters)
base36Microseconds = base36Microseconds.Substring(0, this._numTimestampCharacters);
_sb.Append(base36Microseconds.PadLeft(this._numTimestampCharacters, '0'));
_sb.Append(_hostHash);
if (!string.IsNullOrWhiteSpace(this._reservedValue))
{
_sb.Append(this._reservedValue);
}
// Add the random component:
_sb.Append(GetRandomBase36DigitsSafe());
if (!delimited || string.IsNullOrWhiteSpace(_delimiter) || this._delimiterPositions == null)
return _sb.ToString();
foreach (var pos in this._delimiterPositions)
{
_sb.Insert(pos, this._delimiter);
}
return _sb.ToString();
}
}
| Base36IdGenerator::NewId ( ) : string |
/// <summary>
/// This all would normally be done in your IoC container
/// </summary>
private static void Bootstrap()
{
var base36 = new Base36IdGenerator(
numTimestampCharacters: 12,
numServerCharacters: 6,
numRandomCharacters: 7,
reservedValue: "",
delimiter: "-",
delimiterPositions: new[] { 20, 15, 10, 5 });
var connectionString = ConfigurationManager.ConnectionStrings["DefaultConnection"].ConnectionString;
_provider = new EntityFrameworkProvider(connectionString)
{
IsEntityType = type => type.IsSubclassOf(typeof(Createable<>))
};
_provider.SetCurrentUser("Funcular\\Paul");
Createable<string>.IdentityFunction = () => base36.NewId();
}
