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

Invalidate the timetable having the specified `timetableName` in this timetable cache, and remove it from the cache. If a timetable having `timetableName` is not present in this cache, this method has no effect. Return the number of timetables that were invalidated. 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.

== Synopsis

Declared in `<bdlt_timetablecache.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
invalidate(char const* timetableName);
----


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