private Action <DateTime> _CreateAction(CrontabTask task)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
var typeInstance = _typeInstanceCreator(task.Method);
return(time => { _TryRun(time, task, typeInstance); });
}
public void AddTask(CrontabTask task)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
if (task.Schedule == null)
{
throw new ArgumentException("argument \"task.Schedule\" is null", nameof(task.Schedule));
}
if (task.Action == null)
{
var action = _CreateAction(task);
task.Action = action;
}
_cronTasks.Add(task);
}
private void _TryRun(DateTime time, CrontabTask task, object typeInstance)
{
var method = task.Method;
task.LastExecuteTime = time;
task.Status = CrontabTaskStatus.Running;
try
{
switch (task.Parameters.Length)
{
case 0:
method.Invoke(typeInstance, null);
break;
case 1:
method.Invoke(typeInstance, new object[] { time });
break;
case 2:
method.Invoke(typeInstance, new object[] { time, task });
break;
case 3:
method.Invoke(typeInstance, new object[] { time, task, this });
break;
default:
throw new ArgumentException("the number of task parameters is incorrect.");
}
}
catch
{
task.Status = CrontabTaskStatus.Failing;
}
}
