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netcore/src/Infrastructure/NCC/Dependency/Scoped.cs 1.97 KB
de2bd2f9   “wangming”   项目初始化
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  using Microsoft.Extensions.DependencyInjection;
  using System;
  using System.Threading.Tasks;
  
  namespace NCC.Dependency
  {
      /// <summary>
      /// 创建作用域静态类
      /// </summary>
      [SuppressSniffer]
      public static partial class Scoped
      {
          /// <summary>
          /// 创建一个作用域范围
          /// </summary>
          /// <param name="handler"></param>
          /// <param name="scopeFactory"></param>
          public static void Create(Action<IServiceScopeFactory, IServiceScope> handler, IServiceScopeFactory scopeFactory = default)
          {
              Create(async (fac, scope) =>
              {
                  handler(fac, scope);
                  await Task.CompletedTask;
              }, scopeFactory).GetAwaiter().GetResult();
          }
  
          /// <summary>
          /// 创建一个作用域范围
          /// </summary>
          /// <param name="handler"></param>
          /// <param name="scopeFactory"></param>
          public static async Task Create(Func<IServiceScopeFactory, IServiceScope, Task> handler, IServiceScopeFactory scopeFactory = default)
          {
              // 禁止空调用
              if (handler == null) throw new ArgumentNullException(nameof(handler));
  
              // 创建作用域
              var scoped = CreateScope(scopeFactory);
  
              try
              {
                  // 执行方法
                  await handler(scopeFactory, scoped);
              }
              finally
              {
                  // 释放
                  scoped.Dispose();
              }
          }
  
          /// <summary>
          /// 创建一个作用域
          /// </summary>
          /// <param name="scopeFactory"></param>
          /// <returns></returns>
          private static IServiceScope CreateScope(IServiceScopeFactory scopeFactory = default)
          {
              // 解析服务作用域工厂
              var scoped = (scopeFactory ?? App.RootServices.GetService<IServiceScopeFactory>()).CreateScope();
              return scoped;
          }
      }
  }