public static ITaskSeriesTimer CreateTimer(IRecurrentCommand command, TimeSpan normalInterval,
TimeSpan minimumInterval, IBackgroundExceptionDispatcher backgroundExceptionDispatcher)
{
IDelayStrategy delayStrategy = new LinearSpeedupStrategy(normalInterval, minimumInterval);
ITaskSeriesCommand timerCommand = new RecurrentTaskSeriesCommand(command, delayStrategy);
return new TaskSeriesTimer(timerCommand, backgroundExceptionDispatcher, Task.Delay(normalInterval));
}
public static ITaskSeriesTimer CreateTimer(IRecurrentCommand command, TimeSpan normalInterval,
TimeSpan minimumInterval, IBackgroundExceptionDispatcher backgroundExceptionDispatcher)
{
IDelayStrategy delayStrategy = new LinearSpeedupStrategy(normalInterval, minimumInterval);
ITaskSeriesCommand timerCommand = new RecurrentTaskSeriesCommand(command, delayStrategy);
return(new TaskSeriesTimer(timerCommand, backgroundExceptionDispatcher, Task.Delay(normalInterval)));
}
public static ITaskSeriesTimer CreateTimer(IRecurrentCommand command, TimeSpan normalInterval,
TimeSpan minimumInterval, IWebJobsExceptionHandler exceptionHandler)
{
IDelayStrategy delayStrategy = new LinearSpeedupStrategy(normalInterval, minimumInterval);
ITaskSeriesCommand timerCommand = new RecurrentTaskSeriesCommand(command, delayStrategy);
return(new TaskSeriesTimer(timerCommand, exceptionHandler, Task.Delay(normalInterval)));
}
private ITaskSeriesTimer CreateLeaseRenewalTimer(IStorageBlockBlob leaseBlob, string leaseId, string lockId, TimeSpan leasePeriod,
IBackgroundExceptionDispatcher backgroundExceptionDispatcher)
{
// renew the lease when it is halfway to expiring
TimeSpan normalUpdateInterval = new TimeSpan(leasePeriod.Ticks / 2);
IDelayStrategy speedupStrategy = new LinearSpeedupStrategy(normalUpdateInterval, MinimumLeaseRenewalInterval);
ITaskSeriesCommand command = new RenewLeaseCommand(leaseBlob, leaseId, lockId, speedupStrategy, _trace);
return new TaskSeriesTimer(command, backgroundExceptionDispatcher, Task.Delay(normalUpdateInterval));
}
private static ITaskSeriesTimer CreateUpdateMessageVisibilityTimer(IStorageQueue queue,
IStorageQueueMessage message, TimeSpan visibilityTimeout,
IBackgroundExceptionDispatcher backgroundExceptionDispatcher)
{
// Update a message's visibility when it is halfway to expiring.
TimeSpan normalUpdateInterval = new TimeSpan(visibilityTimeout.Ticks / 2);
IDelayStrategy speedupStrategy = new LinearSpeedupStrategy(normalUpdateInterval, TimeSpan.FromMinutes(1));
ITaskSeriesCommand command = new UpdateQueueMessageVisibilityCommand(queue, message, visibilityTimeout, speedupStrategy);
return new TaskSeriesTimer(command, backgroundExceptionDispatcher, Task.Delay(normalUpdateInterval));
}
