[#BloombergLP-ball-AttributeContext_RuleEvaluationCache-isDataAvailable]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/AttributeContext_RuleEvaluationCache.adoc[AttributeContext&lowbar;RuleEvaluationCache]::isDataAvailable
:relfileprefix: ../../../
:mrdocs:

Return `true` if this cache contains up&hyphen;to&hyphen;date cached rule evaluations having the specified `sequenceNumber` for the set of rules indicated by the specified `relevantRulesMask` bit mask, and `false` otherwise&period;

== Synopsis

Declared in `&lt;ball&lowbar;attributecontext&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isDataAvailable(
    xref:BloombergLP/bsls/Types/Int64.adoc[bsls::Types::Int64] sequenceNumber,
    xref:BloombergLP/ball/RuleSet/MaskType.adoc[RuleSet::MaskType] relevantRulesMask) const;
----


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