[#BloombergLP-ball-FileObserver-2constructor-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/FileObserver.adoc[FileObserver]::FileObserver
:relfileprefix: ../../../
:mrdocs:

Create a file observer using the specified `basicAllocator`.

== Synopsis

Declared in `<ball_fileobserver.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
FileObserver(xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator);
----

== Description

Create a file observer that publishes log records to `stdout` if their severity is at least as severe as `Severity::e_WARN`, and has file logging initially disabled. Use the specified `basicAllocator` to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used. Note that `isPublishInLocalTimeEnabled` returns `false` following construction indicating that the timestamp attribute of published records will be written in UTC time (see `enablePublishInLocalTime`). Also note that independent default record formats are in effect for `stdout` and file logging (see `setLogFormat`).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *basicAllocator*
| memory allocator; null uses the default
|===


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