Invalidate and remove all timetables from this cache.
Synopsis
Declared in <bdlt_timetablecache.h>
int
invalidateAll();Description
Invalidate all timetables in this timetable cache, and remove them from the cache. 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.
Return Value
number of timetables invalidated
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