alexandre-spieser
32 lines
1.1 KiB
C#
32 lines
1.1 KiB
C#
using MongoDB.Bson;
|
|
using System;
|
|
|
|
namespace MongoDbGenericRepository.Utils
|
|
{
|
|
public static class IdGenerator
|
|
{
|
|
private static readonly Random Random = new Random();
|
|
|
|
public static TKey GetId<TKey>()
|
|
{
|
|
var idTypeName = typeof(TKey).Name;
|
|
switch (idTypeName)
|
|
{
|
|
case "Guid":
|
|
return (TKey)(object)Guid.NewGuid();
|
|
case "Int16":
|
|
return (TKey)(object)Random.Next(1, short.MaxValue);
|
|
case "Int32":
|
|
return (TKey)(object)Random.Next(1, int.MaxValue);
|
|
case "Int64":
|
|
return (TKey)(object)(Random.NextLong(1, long.MaxValue));
|
|
case "String":
|
|
return (TKey)(object)Guid.NewGuid().ToString();
|
|
case "ObjectId":
|
|
return (TKey)(object)ObjectId.GenerateNewId();
|
|
}
|
|
throw new ArgumentException($"{idTypeName} is not a supported Id type, the Id of the document cannot be set.");
|
|
}
|
|
}
|
|
}
|