public bool AddCron(string ckey, string cronex, DateTime?start, DateTime?end)
{
// no locking here as we won't touch any objects that are shared with another thread
string[] cronflds = new string[6];
Logr.Log(String.Format("AddCron: cronex({0}) start({1}) end({2})", cronex, start, end));
try {
if (m_CronMap.ContainsKey(ckey))
{
// If there's already a timer with ckey it may be that an Excel users has triggered
// another invocation of s2cron( ) by editting the s2cfg sheet, or with a sh-ctrl-alt-F9.
// Either way, we need to remove the old timer, and create a new one, but only if the
// new one is different.
CronTimer oldTimer = m_CronMap[ckey];
if (oldTimer.Cronex == cronex && oldTimer.Start == start && oldTimer.End == end)
{
// no change, so we won't overwrite the entry for ckey
return(true);
}
m_CronMap.Remove(ckey);
oldTimer.Close( );
}
m_CronMap[ckey] = new CronTimer(ckey, cronex, start, end);
return(true);
}
catch (Exception ex) {
Logr.Log(String.Format("AddCron: {0}", ex.Message));
return(false);
}
}
static void Main()
{
Console.WriteLine("Simple expression...");
foreach (var value in CronExpression.Parse("0 0 0 ? JAN/2 6#2,6L")
.GetAllTimesAfter(DateTimeOffset.Now)
.Take(5))
{
Console.WriteLine(value);
}
Console.WriteLine();
Console.WriteLine("Precise expression...");
foreach (var value in CronExpression.Parse("* 0 0 0 0 0 1 JAN ?", CronFormat.Extended)
.GetAllTimesAfter(DateTimeOffset.Now)
.Take(10))
{
Console.WriteLine(value.ToString("O"/*ISO8601*/));
}
Console.WriteLine();
Console.WriteLine("Simple enumeration...");
var sw = new Stopwatch();
sw.Start();
foreach (var _ in CronExpression.Parse("0 0 0 * * * * * ?", CronFormat.Extended)
.GetAllTimesAfter(DateTimeOffset.Now)
.Take(100000))
{
}
Console.WriteLine("100,000 times in {0} milliseconds.", sw.ElapsedMilliseconds);
Console.WriteLine();
Console.WriteLine("Timer...");
using (var timer = new CronTimer(CronExpression.Parse("0 0 0/100 * * * * * ?", CronFormat.Extended)))
{
timer.Elapsed += (sender, e) => Console.WriteLine(e.Time.ToString("O"/*ISO8601*/));
timer.Start();
Thread.Sleep(TimeSpan.FromSeconds(1d));
}
Console.WriteLine();
Console.WriteLine("Scheduler...");
using (var scheduler = new Scheduler())
{
scheduler.Jobs.Add(new Job(
context => Console.WriteLine(context.Time.ToString("O"/*ISO8601*/)),
new CronTrigger("0 0 0/200 * * * * * ? *", CronFormat.Extended),
new CronTrigger("0 0 100/200 * * * * * ? *", CronFormat.Extended)));
Thread.Sleep(TimeSpan.FromSeconds(1d));
}
Console.WriteLine();
Console.WriteLine("Press any key to quit.");
Console.ReadKey(true);
}
