/// <summary>
/// 启动一个任务，带重试机制
/// </summary>
/// <param name="task"></param>
/// <returns></returns>
public static async Task <bool> StartWithRetry(Guid sid)
{
var jk = new JobKey(sid.ToString().ToLower());
if (await _scheduler.CheckExists(jk))
{
return(true);
}
ScheduleView view = await GetScheduleView(sid);
PluginLoadContext lc = null;
try
{
lc = AssemblyHelper.LoadAssemblyContext(view.Schedule.Id, view.Schedule.AssemblyName);
for (int i = 0; i < 3; i++)
{
try
{
await Start(view, lc);
return(true);
}
catch (SchedulerException sexp)
{
LogHelper.Error($"任务启动失败！开始第{i + 1}次重试...", sexp, view.Schedule.Id);
}
}
//最后一次尝试
await Start(view, lc);
return(true);
}
catch (SchedulerException sexp)
{
AssemblyHelper.UnLoadAssemblyLoadContext(lc);
LogHelper.Error($"任务所有重试都失败了，已放弃启动！", sexp, view.Schedule.Id);
return(false);
}
catch (Exception exp)
{
AssemblyHelper.UnLoadAssemblyLoadContext(lc);
LogHelper.Error($"任务启动失败！", exp, view.Schedule.Id);
return(false);
}
}
/// <summary>
/// 启动一个任务，带重试机制
/// </summary>
/// <param name="task"></param>
/// <param name="callBack"></param>
/// <returns></returns>
public static async Task <bool> StartWithRetry(ScheduleView view, Action <Guid, DateTime?> callBack)
{
PluginLoadContext lc = null;
try
{
lc = AssemblyHelper.LoadAssemblyContext(view.Schedule.Id, view.Schedule.AssemblyName);
for (int i = 0; i < 3; i++)
{
try
{
await Start(view, lc, callBack);
return(true);
}
catch (SchedulerException sexp)
{
LogHelper.Error($"任务启动失败！开始第{i + 1}次重试...", sexp, view.Schedule.Id);
}
}
//最后一次尝试
await Start(view, lc, callBack);
return(true);
}
catch (SchedulerException sexp)
{
AssemblyHelper.UnLoadAssemblyLoadContext(lc);
LogHelper.Error($"任务所有重试都失败了，已放弃启动！", sexp, view.Schedule.Id);
return(false);
}
catch (Exception exp)
{
AssemblyHelper.UnLoadAssemblyLoadContext(lc);
LogHelper.Error($"任务启动失败！", exp, view.Schedule.Id);
return(false);
}
}
/// <summary>
/// 停止一个任务
/// </summary>
/// <param name="sid"></param>
/// <returns></returns>
public static async Task <bool> Stop(Guid sid)
{
try
{
JobKey jk = new JobKey(sid.ToString().ToLower());
var job = await _scheduler.GetJobDetail(jk);
if (job != null)
{
var instance = job.JobDataMap["instance"] as TaskBase;
//释放资源
if (instance != null)
{
instance.Dispose();
}
//卸载应用程序域
var domain = job.JobDataMap["domain"] as PluginLoadContext;
AssemblyHelper.UnLoadAssemblyLoadContext(domain);
//删除quartz有关设置
var trigger = new TriggerKey(sid.ToString());
await _scheduler.PauseTrigger(trigger);
await _scheduler.UnscheduleJob(trigger);
await _scheduler.DeleteJob(jk);
_scheduler.ListenerManager.RemoveJobListener(sid.ToString());
}
LogHelper.Info($"任务已经停止运行！", sid);
return(true);
}
catch (Exception exp)
{
LogHelper.Error($"任务停止失败！", exp, sid);
return(false);
}
}
