[英]Trigger Quartz.net job manually from controller
我在 VS2019 中构建了一个示例 .NET 5 Web API 应用程序,我有默认模板(使用 Wea WeatherForecastController
)。 我已将 Quartz.net(版本 3.3.3)添加到项目中,并在Startup
class 中添加:
public void ConfigureServices(IServiceCollection services)
{
services.AddQuartz(q =>
{
q.UseMicrosoftDependencyInjectionJobFactory();
q.AddJobAndTrigger<HelloWorldJob>(Configuration);
});
// ASP.NET Core hosting
services.AddQuartzServer(options =>
{
// when shutting down we want jobs to complete gracefully
options.WaitForJobsToComplete = true;
});
services.AddControllers();
services.AddSwaggerGen(c =>
{
c.SwaggerDoc("v1", new OpenApiInfo { Title = "QuartzTest", Version = "v1" });
});
}
并创建了一个示例作业。
AddJobAndTrigger
的代码取自https://andrewlock.net/using-quartz-net-with-asp-net-core-and-worker-services/
该部分运行良好,但现在我想让最终用户能够通过 rest API 手动触发特定作业。
我创建了一个简单的 controller 应该能够通过使用手动触发作业:
scheduler.TriggerJob(new Jobkey("MarkAsSolutionReminderJob"));
(参考: Quartz.Net 按需触发计划作业)
下面是我的 controller:
[ApiController]
[Route("[controller]")]
public class QuartzController : ControllerBase
{
private readonly IScheduler _scheduler;
private readonly ILogger<WeatherForecastController> _logger;
public QuartzController(IScheduler scheduler, ILogger<WeatherForecastController> logger)
{
_scheduler = scheduler;
_logger = logger;
}
[HttpGet("Run")]
public async Task<OkObjectResult> Run(string jobName)
{
//check if a specific job exists
//if yes then run that job
await _scheduler.TriggerJob(new JobKey("HelloWorldJob"));
return Ok("OK");
}
}
但是当我尝试运行它时,我得到了这个错误:
System.InvalidOperationException:尝试激活“QuartzTest.Controllers.QuartzController”时无法解析“Quartz.IScheduler”类型的服务。 在 Microsoft.Extensions.DependencyInjection.ActivatorUtilities.GetService(IServiceProvider sp,类型类型,类型 requiredBy,Boolean isDefaultParameterRequired)
在 lambda_method10(Closure, IServiceProvider, Object[] ) 在 Microsoft.AspNetCore.Mvc.Controllers.ControllerActivatorProvider.<>c__DisplayClass4_0.b__0(ControllerContext controllerContext) 在 Microsoft.AspNetCore.Mvc.Controllers.ControllerFactoryProvider.<>c__DisplayClass5_0.g__CreateController|0( ControllerContext controllerContext) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync() --- End of stack trace from previous location --- at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|19_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Z27226C864BAC7454A8504F8EDB15D95 BZ isCompleted)在 Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|17_0(ResourceInvoker 调用程序,任务任务,IDisposable 范围)在 Microsoft.AspNetCore.Routing.EndpointMiddleware.g__AwaitRequestTask|6_0(端点端点,任务 requestTask,ILogger 记录器)在Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context) 在 Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext) 在 Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider.DiagnosProvider) 在 Microsoft .DeveloperExceptionPageMiddleware.Invoke(HttpContext 上下文)
如何访问控制器内的调度程序并理想地检查特定作业是否存在以及它们的状态是什么(它是否正在运行)?
我认为
services.AddQuartz
就足够了。
AddQuartz
将调度程序工厂,而不是IScheduler
添加到 DI 容器。
由于获取调度程序是异步完成的,因此在启动期间很难设置它。
重构您的代码以依赖于工厂并使用它来获取调度程序
[ApiController]
[Route("[controller]")]
public class QuartzController : ControllerBase {
private readonly ISchedulerFactory factory;
private readonly ILogger<WeatherForecastController> _logger;
public QuartzController(ISchedulerFactory factory, ILogger<WeatherForecastController> logger) {
this.factory = factory;
_logger = logger;
}
[HttpGet("Run")]
public async Task<OkObjectResult> Run(string jobName) {
IScheduler scheduler = await factory.GetScheduler();
//...check if a specific job exists
//if yes then run that job
await scheduler.TriggerJob(new JobKey("HelloWorldJob"));
return Ok("OK");
}
}
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