/// <summary>
/// Trigger the identified <see cref="IJob" /> (Execute it
/// now) - with a volatile trigger.
/// </summary>
public virtual void TriggerJobWithVolatileTrigger(SchedulingContext ctxt, string jobName, string groupName,
JobDataMap data)
{
ValidateState();
if (groupName == null)
{
groupName = SchedulerConstants.DefaultGroup;
}
Trigger trig =
new SimpleTrigger(NewTriggerId(), SchedulerConstants.DefaultManualTriggers, jobName, groupName, DateTime.UtcNow,
null, 0, TimeSpan.Zero);
trig.Volatile = true;
trig.ComputeFirstFireTimeUtc(null);
if (data != null)
{
trig.JobDataMap = data;
}
bool collision = true;
while (collision)
{
try
{
resources.JobStore.StoreTrigger(ctxt, trig, false);
collision = false;
}
catch (ObjectAlreadyExistsException)
{
trig.Name = NewTriggerId();
}
}
NotifySchedulerThread(trig.GetNextFireTimeUtc());
NotifySchedulerListenersScheduled(trig);
}
protected virtual void ClusterRecover(ConnectionAndTransactionHolder conn, IList failedInstances)
{
if (failedInstances.Count > 0)
{
long recoverIds = DateTime.UtcNow.Ticks;
LogWarnIfNonZero(failedInstances.Count,
"ClusterManager: detected " + failedInstances.Count + " failed or restarted instances.");
try
{
foreach (SchedulerStateRecord rec in failedInstances)
{
Log.Info("ClusterManager: Scanning for instance \"" + rec.SchedulerInstanceId +
"\"'s failed in-progress jobs.");
IList firedTriggerRecs =
Delegate.SelectInstancesFiredTriggerRecords(conn, rec.SchedulerInstanceId);
int acquiredCount = 0;
int recoveredCount = 0;
int otherCount = 0;
ISet triggerKeys = new HashSet();
foreach (FiredTriggerRecord ftRec in firedTriggerRecs)
{
Key tKey = ftRec.TriggerKey;
Key jKey = ftRec.JobKey;
triggerKeys.Add(tKey);
// release blocked triggers..
if (ftRec.FireInstanceState.Equals(StateBlocked))
{
Delegate.UpdateTriggerStatesForJobFromOtherState(conn, jKey.Name, jKey.Group,
StateWaiting,
StateBlocked);
}
else if (ftRec.FireInstanceState.Equals(StatePausedBlocked))
{
Delegate.UpdateTriggerStatesForJobFromOtherState(conn, jKey.Name, jKey.Group,
StatePaused,
StatePausedBlocked);
}
// release acquired triggers..
if (ftRec.FireInstanceState.Equals(StateAcquired))
{
Delegate.UpdateTriggerStateFromOtherState(conn, tKey.Name, tKey.Group, StateWaiting,
StateAcquired);
acquiredCount++;
}
else if (ftRec.JobRequestsRecovery)
{
// handle jobs marked for recovery that were not fully
// executed..
if (JobExists(conn, jKey.Name, jKey.Group))
{
DateTime tempAux = new DateTime(ftRec.FireTimestamp);
SimpleTrigger rcvryTrig =
new SimpleTrigger(
"recover_" + rec.SchedulerInstanceId + "_" + Convert.ToString(recoverIds++, CultureInfo.InvariantCulture),
SchedulerConstants.DefaultRecoveryGroup, tempAux);
rcvryTrig.Volatile = ftRec.TriggerIsVolatile;
rcvryTrig.JobName = jKey.Name;
rcvryTrig.JobGroup = jKey.Group;
rcvryTrig.MisfireInstruction = MisfireInstruction.SimpleTrigger.FireNow;
rcvryTrig.Priority = ftRec.Priority;
JobDataMap jd = Delegate.SelectTriggerJobDataMap(conn, tKey.Name, tKey.Group);
jd.Put(SchedulerConstants.FailedJobOriginalTriggerName, tKey.Name);
jd.Put(SchedulerConstants.FailedJobOriginalTriggerGroup, tKey.Group);
jd.Put(SchedulerConstants.FailedJobOriginalTriggerFiretimeInMillisecoonds, Convert.ToString(ftRec.FireTimestamp, CultureInfo.InvariantCulture));
rcvryTrig.JobDataMap = jd;
rcvryTrig.ComputeFirstFireTimeUtc(null);
StoreTrigger(conn, null, rcvryTrig, null, false, StateWaiting, false, true);
recoveredCount++;
}
else
{
Log.Warn("ClusterManager: failed job '" + jKey +
"' no longer exists, cannot schedule recovery.");
otherCount++;
}
}
else
{
otherCount++;
}
// free up stateful job's triggers
if (ftRec.JobIsStateful)
{
Delegate.UpdateTriggerStatesForJobFromOtherState(conn, jKey.Name, jKey.Group,
StateWaiting,
StateBlocked);
Delegate.UpdateTriggerStatesForJobFromOtherState(conn, jKey.Name, jKey.Group,
StatePaused,
StatePausedBlocked);
}
}
Delegate.DeleteFiredTriggers(conn, rec.SchedulerInstanceId);
// Check if any of the fired triggers we just deleted were the last fired trigger
// records of a COMPLETE trigger.
int completeCount = 0;
foreach (Key triggerKey in triggerKeys)
{
if (
Delegate.SelectTriggerState(conn, triggerKey.Name, triggerKey.Group).Equals(
StateComplete))
{
IList firedTriggers =
Delegate.SelectFiredTriggerRecords(conn, triggerKey.Name, triggerKey.Group);
if (firedTriggers.Count == 0)
{
SchedulingContext schedulingContext = new SchedulingContext();
schedulingContext.InstanceId = instanceId;
if (RemoveTrigger(conn, schedulingContext, triggerKey.Name, triggerKey.Group))
{
completeCount++;
}
}
}
}
LogWarnIfNonZero(acquiredCount,
"ClusterManager: ......Freed " + acquiredCount + " acquired trigger(s).");
LogWarnIfNonZero(completeCount,
"ClusterManager: ......Deleted " + completeCount + " complete triggers(s).");
LogWarnIfNonZero(recoveredCount,
"ClusterManager: ......Scheduled " + recoveredCount +
" recoverable job(s) for recovery.");
LogWarnIfNonZero(otherCount,
"ClusterManager: ......Cleaned-up " + otherCount + " other failed job(s).");
if (rec.SchedulerInstanceId.Equals(InstanceId) == false)
{
Delegate.DeleteSchedulerState(conn, rec.SchedulerInstanceId);
}
}
}
catch (Exception e)
{
throw new JobPersistenceException("Failure recovering jobs: " + e.Message, e);
}
}
}