[#BloombergLP-bdlmt-TimerEventScheduler-rescheduleEvent-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlmt.adoc[bdlmt]::xref:BloombergLP/bdlmt/TimerEventScheduler.adoc[TimerEventScheduler]::rescheduleEvent
:relfileprefix: ../../../
:mrdocs:

Reschedule the event identified by handle to a new time.

== Synopsis

Declared in `<bdlmt_timereventscheduler.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
rescheduleEvent(
    xref:BloombergLP/bdlmt/TimerEventScheduler/Handle.adoc[Handle] handle,
    xref:BloombergLP/bsls/TimeInterval.adoc[bsls::TimeInterval] const& newTime,
    bool wait = false);
----

== Description

Reschedule the event having the specified `handle` at the specified `newTime`. Optionally use the specified `key` to uniquely identify the event. If the optionally specified `wait` is true, then ensure that the event having the `handle` (if it is valid) is either successfully rescheduled or dispatched before the call returns. Return 0 on successful reschedule, and a non‐zero value if the `handle` is invalid _or_ if the event has already been dispatched _or_ if the event has not yet been dispatched but will soon be dispatched. If this method is being invoked from the dispatcher thread then the `wait` is ignored to avoid deadlock. The `newTime` is an absolute time represented as an interval from some epoch, which is detemined by the clock indicated at construction (see []Clock‐Types)).

== Return Value

0 on successful reschedule, and a non‐zero value otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *handle*
| identifier of the event to reschedule
| *newTime*
| new absolute dispatch time
| *wait*
| if true, wait until the event is rescheduled or dispatched
|===


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