[#BloombergLP-bdlt-TimetableCache-invalidateAll]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/TimetableCache.adoc[TimetableCache]::invalidateAll
:relfileprefix: ../../../
:mrdocs:

Invalidate and remove all timetables from this cache&period;

== Synopsis

Declared in `&lt;bdlt&lowbar;timetablecache&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
invalidateAll();
----

== Description

Invalidate all timetables in this timetable cache, and remove them from the cache&period; Return the number of timetables that were invalidated&period; Note that a timetable that has been invalidated in the cache remains valid to all outstanding references to it, obtained via earlier calls to the `getTimetable` and `lookupTimetable` methods, until all of those references have been destroyed&period;

== Return Value

number of timetables invalidated


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