MES-ETL/MesETL.App/Options/TenantDbOptions.cs

25 lines
1016 B
C#

namespace MesETL.App.Options;
public class TenantDbOptions
{
public string? TenantKey { get; set; }
public string? UseDbGroup { get; set; }
/// <summary>
/// Key-Value: {DbName}-{TenantKeyLessThan}
/// </summary>
public Dictionary<string, int>? DbGroup { get; set; }
public string GetDbNameByTenantKeyValue(int tenantKeyValue)
{
// var dictionary = new SortedDictionary<int, string>();
// DbList.ForEach(pair => dictionary.Add(pair.Value, pair.Key));
// 注意配置顺序
if(DbGroup is null) throw new ApplicationException("分库配置中没有发现任何数据库");
var dbName = DbGroup.Cast<KeyValuePair<string, int>?>()
.FirstOrDefault(pair => pair?.Value != null && pair.Value.Value > tenantKeyValue)!.Value.Key;
return dbName ??
throw new ArgumentOutOfRangeException(nameof(tenantKeyValue),
$"分库配置中没有任何符合'{nameof(tenantKeyValue)}'值的数据库");
}
}