/// <summary>
/// Get a mongodb database by the name.
/// </summary>
/// <param name="database">Name of the database</param>
/// <returns>MongoDB database instance or null if no database found</returns>
/// <exception cref="ArgumentNullException">Thrown if database is null or empty</exception>
public IMongoDatabase GetDatabase(string database)
{
return(_migrationManager.GetDatabase(database));
}