public void PrepareTaskSchedule(string systemJobId, bool allowMultipleInstances)
{
lock (keylock)
{
var job = SystemJobs.FirstOrDefault(sj => sj.SystemJobId == systemJobId);
var taskSchedule = TaskSchedules.SingleOrDefault(ts => ts.SystemJobId == systemJobId);
if (taskSchedule == null)
{
var startedDateTime = DateTime.UtcNow;
var originalFrequency = SchedulerDbContext.PeriodToFrequency(job.Period);
var newTaskSchedule = new TaskSchedule
{
Frequency = originalFrequency,
NextScheduledStartTime = startedDateTime.AddMinutes(originalFrequency),
SystemJobId = systemJobId
};
TaskSchedules.Add(newTaskSchedule);
}
}
}
public void UpdateTaskSchedule(string systemJobId)
{
lock (keylock)
{
var job = SystemJobs.FirstOrDefault(sj => sj.SystemJobId == systemJobId);
var task = TaskSchedules.SingleOrDefault(ts => ts.SystemJobId == systemJobId);
if (task != null)
{
TaskSchedules.Remove(task);
}
if (job != null && job.IsEnabled && job.Period > 0)
{
var startedDateTime = DateTime.UtcNow;
var originalFrequency = SchedulerDbContext.PeriodToFrequency(job.Period);
var newTaskSchedule = new TaskSchedule
{
Frequency = originalFrequency,
NextScheduledStartTime = startedDateTime.AddMinutes(originalFrequency),
SystemJobId = systemJobId
};
TaskSchedules.Add(newTaskSchedule);
}
}
}
/// <summary>
/// Updates the task schedule.
/// </summary>
/// <param name="systemJobId">The system job identifier.</param>
public void UpdateTaskSchedule(string systemJobId)
{
var repository = _repositoryFactory();
using (SqlDbConfiguration.ExecutionStrategySuspension)
using (var transaction = new TransactionScope(TransactionScopeOption.Required,
new TransactionOptions { IsolationLevel = IsolationLevel.ReadCommitted }))
{
var job = repository.SystemJobs.FirstOrDefault(sj => sj.SystemJobId == systemJobId);
var task = repository.TaskSchedules.SingleOrDefault(ts => ts.SystemJobId == systemJobId);
if (task != null)
{
repository.Remove(task);
}
if (job != null && job.IsEnabled && job.Period > 0)
{
var startedDateTime = DateTime.UtcNow;
var originalFrequency = PeriodToFrequency(job.Period);
var newTaskSchedule = new TaskSchedule
{
Frequency = originalFrequency,
NextScheduledStartTime = startedDateTime.AddMinutes(originalFrequency),
SystemJobId = systemJobId
};
repository.Add(newTaskSchedule);
}
repository.UnitOfWork.Commit();
transaction.Complete();
}
}
