abp/framework/src/Volo.Abp.BackgroundJobs.Quartz/Volo/Abp/BackgroundJobs/Quartz/AbpBackgroundJobsQuartzModule.cs

using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using Volo.Abp.Modularity;
using Volo.Abp.Quartz;

namespace Volo.Abp.BackgroundJobs.Quartz
{
    [DependsOn(
        typeof(AbpBackgroundJobsAbstractionsModule),
        typeof(AbpQuartzModule)
    )]
    public class AbpBackgroundJobsQuartzModule : AbpModule
    {
        public override void ConfigureServices(ServiceConfigurationContext context)
        {
            context.Services.AddTransient(typeof(QuartzJobExecutionAdapter<>));
        }

        public override void OnPreApplicationInitialization(ApplicationInitializationContext context)
        {
            var options = context.ServiceProvider.GetService<IOptions<AbpBackgroundJobOptions>>().Value;
            if (!options.IsJobExecutionEnabled)
            {
                var quartzOptions = context.ServiceProvider.GetService<IOptions<AbpQuartzOptions>>().Value;
                quartzOptions.StartSchedulerFactory  = scheduler => Task.CompletedTask;
            }
        }
    }
}