(精华)2020年6月26日 C#类库 Quartz任务调度帮助类
【摘要】
using Quartz;
using Quartz.Impl;
using System;
using System.Collections.Concurrent;
using System.Threa...
using Quartz;
using Quartz.Impl;
using System;
using System.Collections.Concurrent;
using System.Threading.Tasks;
namespace Core.Util
{
/// <summary>
/// 任务帮助类
/// </summary>
public static class JobHelper
{
#region 私有成员
private static IScheduler __scheduler;
private static object _lock = new object();
private static IScheduler _scheduler
{
get
{
if (__scheduler == null)
{
lock (_lock)
{
if (__scheduler == null)
{
__scheduler = AsyncHelper.RunSync(() => StdSchedulerFactory.GetDefaultScheduler());
AsyncHelper.RunSync(() => __scheduler.Start());
}
}
}
return __scheduler;
}
}
static ConcurrentDictionary<string, Action> _jobs { get; }
= new ConcurrentDictionary<string, Action>();
#endregion
#region 外部接口
/// <summary>
/// 设置一个时间间隔的循环操作
/// </summary>
/// <param name="action">执行的操作</param>
/// <param name="timeSpan">时间间隔</param>
/// <returns>任务标识Id</returns>
public static string SetIntervalJob(Action action, TimeSpan timeSpan)
{
string key = Guid.NewGuid().ToString();
_jobs[key] = action;
IJobDetail job = JobBuilder.Create<Job>()
.WithIdentity(key)
.Build();
ITrigger trigger = TriggerBuilder.Create()
.WithIdentity(key)
.StartNow()
.WithSimpleSchedule(x => x.WithInterval(timeSpan).RepeatForever())
.Build();
AsyncHelper.RunSync(() => _scheduler.ScheduleJob(job, trigger));
return key;
}
/// <summary>
/// 设置每天定时任务
/// </summary>
/// <param name="action">执行的任务</param>
/// <param name="h">时</param>
/// <param name="m">分</param>
/// <param name="s">秒</param>
/// <returns>任务标识Id</returns>
public static string SetDailyJob(Action action, int h, int m, int s)
{
string key = Guid.NewGuid().ToString();
_jobs[key] = action;
IJobDetail job = JobBuilder.Create<Job>()
.WithIdentity(key)
.Build();
ITrigger trigger = TriggerBuilder.Create()
.WithIdentity(key)
.StartNow()
.WithCronSchedule($"{s} {m} {h} * * ?")//每天定时
.Build();
AsyncHelper.RunSync(() => _scheduler.ScheduleJob(job, trigger));
return key;
}
/// <summary>
/// 设置延时任务,仅执行一次
/// </summary>
/// <param name="action">执行的操作</param>
/// <param name="delay">延时时间</param>
/// <returns>任务标识Id</returns>
public static string SetDelayJob(Action action, TimeSpan delay)
{
string key = Guid.NewGuid().ToString();
action += () =>
{
RemoveJob(key);
};
_jobs[key] = action;
IJobDetail job = JobBuilder.Create<Job>()
.WithIdentity(key)
.Build();
ITrigger trigger = TriggerBuilder.Create()
.WithIdentity(key)
.StartAt(DateTime.Now + delay)
.WithSimpleSchedule(x => x.WithRepeatCount(0).WithInterval(TimeSpan.FromSeconds(10)))
.Build();
AsyncHelper.RunSync(() => _scheduler.ScheduleJob(job, trigger));
return key;
}
/// <summary>
/// 通过表达式创建任务
/// 表达式规则参考:http://www.jsons.cn/quartzcron/
/// </summary>
/// <param name="action">执行的操作</param>
/// <param name="cronExpression">表达式</param>
/// <returns></returns>
public static string SetCronJob(Action action, string cronExpression)
{
string key = Guid.NewGuid().ToString();
_jobs[key] = action;
IJobDetail job = JobBuilder.Create<Job>()
.WithIdentity(key)
.Build();
ITrigger trigger = TriggerBuilder.Create()
.WithIdentity(key)
.StartNow()
.WithCronSchedule(cronExpression)
.Build();
AsyncHelper.RunSync(() => _scheduler.ScheduleJob(job, trigger));
return key;
}
/// <summary>
/// 删除任务
/// </summary>
/// <param name="jobId">任务标识Id</param>
public static void RemoveJob(string jobId)
{
AsyncHelper.RunSync(() => _scheduler.DeleteJob(new JobKey(jobId)));
_jobs.TryRemove(jobId, out _);
}
#endregion
#region 内部类
private class Job : IJob
{
public async Task Execute(IJobExecutionContext context)
{
await Task.Run(() =>
{
string jobName = context.JobDetail.Key.Name;
if (_jobs.ContainsKey(jobName))
{
_jobs[jobName]?.Invoke();
}
});
}
}
#endregion
}
}
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文章来源: codeboy.blog.csdn.net，作者：愚公搬代码，版权归原作者所有，如需转载，请联系作者。
原文链接：codeboy.blog.csdn.net/article/details/106969569
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