[#BloombergLP-ball-FixedSizeRecordBuffer-beginSequence]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/FixedSizeRecordBuffer.adoc[FixedSizeRecordBuffer]::beginSequence
:relfileprefix: ../../../
:mrdocs:

_Lock_ this record buffer so that a sequence of method invocations on this record buffer can occur uninterrupted by other threads. The buffer will remain _locked_ until `endSequence` is called. It is valid to invoke other methods on this record buffer between the calls to `beginSequence` and `endSequence` (the implementation guarantees this by employing a recursive mutex).

== Synopsis

Declared in `<ball_fixedsizerecordbuffer.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
void
beginSequence() override;
----


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