[#BloombergLP-ball-FileObserver2-rotateOnLifetime]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/FileObserver2.adoc[FileObserver2]::rotateOnLifetime
:relfileprefix: ../../../
:mrdocs:

Set this file observer to perform a periodic log file rotation at multiples of the specified `timeInterval`. This rule replaces any rotation‐on‐time‐interval rule currently in effect. The behavior is undefined unless `0 < timeInterval.totalMilliseconds()`.

== Synopsis

Declared in `<ball_fileobserver2.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
rotateOnLifetime(xref:BloombergLP/bdlt/DatetimeInterval.adoc[bdlt::DatetimeInterval] const& timeInterval);
----

== Description

DEPRECATED: Use `rotateOnTimeInterval` instead.


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