BaseService.cs 2.7 KB

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  1. using System;
  2. using System.Collections.Generic;
  3. using Microsoft.Extensions.DependencyInjection;
  4. using Microsoft.Extensions.Logging;
  5. using Microsoft.Extensions.Logging.Abstractions;
  6. using MapsterMapper;
  7. using ZhonTai.Common.Auth;
  8. using ZhonTai.Tools.Cache;
  9. using ZhonTai.Common.Extensions;
  10. namespace ZhonTai.Plate.Admin.Service
  11. {
  12. public abstract class BaseService: IBaseService
  13. {
  14. protected readonly object ServiceProviderLock = new object();
  15. protected IDictionary<Type, object> CachedServices = new Dictionary<Type, object>();
  16. private ICache _cache;
  17. private ILoggerFactory _loggerFactory;
  18. private IMapper _mapper;
  19. private IUser _user;
  20. /// <summary>
  21. /// 缓存
  22. /// </summary>
  23. public ICache Cache => LazyGetRequiredService(ref _cache);
  24. /// <summary>
  25. /// 日志工厂
  26. /// </summary>
  27. public ILoggerFactory LoggerFactory => LazyGetRequiredService(ref _loggerFactory);
  28. /// <summary>
  29. /// 映射
  30. /// </summary>
  31. public IMapper Mapper => LazyGetRequiredService(ref _mapper);
  32. public IServiceProvider ServiceProvider { get; set; }
  33. /// <summary>
  34. /// 用户信息
  35. /// </summary>
  36. public IUser User => LazyGetRequiredService(ref _user);
  37. /// <summary>
  38. /// 日志
  39. /// </summary>
  40. protected ILogger Logger => _lazyLogger.Value;
  41. private Lazy<ILogger> _lazyLogger => new Lazy<ILogger>(() => LoggerFactory?.CreateLogger(GetType().FullName) ?? NullLogger.Instance, true);
  42. protected TService LazyGetRequiredService<TService>(ref TService reference)
  43. {
  44. if (reference == null)
  45. {
  46. lock (ServiceProviderLock)
  47. {
  48. if (reference == null)
  49. {
  50. reference = ServiceProvider.GetRequiredService<TService>();
  51. }
  52. }
  53. }
  54. return reference;
  55. }
  56. /// <summary>
  57. /// 获得懒加载服务
  58. /// </summary>
  59. /// <typeparam name="TService">服务接口</typeparam>
  60. /// <returns></returns>
  61. public virtual TService LazyGetRequiredService<TService>()
  62. {
  63. return (TService)LazyGetRequiredService(typeof(TService));
  64. }
  65. /// <summary>
  66. /// 根据服务类型获得懒加载服务
  67. /// </summary>
  68. /// <param name="serviceType">服务类型</param>
  69. /// <returns></returns>
  70. public virtual object LazyGetRequiredService(Type serviceType)
  71. {
  72. return CachedServices.GetOrAdd(serviceType, () => ServiceProvider.GetRequiredService(serviceType));
  73. }
  74. }
  75. }