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

This class provides a suite of free functions used to help implement a manager of categories and category holders.

== Synopsis

Declared in `<ball_category.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class CategoryManagerImpUtil;
----

== Description

This class should _not_ be used directly by client code. It is an implementation detail of the `ball` logging system.

== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/ball/CategoryManagerImpUtil/disableRule.adoc[`disableRule`] 
| Set the bit in the rule‐mask at the specified `ruleIndex` in the specified `category` to `false`.
| xref:BloombergLP/ball/CategoryManagerImpUtil/enableRule.adoc[`enableRule`] 
| Set the bit in the relevant rule‐mask at the specified `ruleIndex` in the specified `category` to `true`.
| xref:BloombergLP/ball/CategoryManagerImpUtil/linkCategoryHolder.adoc[`linkCategoryHolder`] 
| Load the specified `category` and its corresponding `maxLevel()` into the specified `categoryHolder`, and add `categoryHolder` to the linked list of category holders maintained by `category`.
| xref:BloombergLP/ball/CategoryManagerImpUtil/resetCategoryHolders.adoc[`resetCategoryHolders`] 
| Reset the category holders to which the specified `category` is linked to their default value. See the function‐level documentation of `CategoryHolder::reset` for further information on the default value of category holders.
| xref:BloombergLP/ball/CategoryManagerImpUtil/setRelevantRuleMask.adoc[`setRelevantRuleMask`] 
| Set the rule‐mask for the specified `category` to the specified `mask`.
| xref:BloombergLP/ball/CategoryManagerImpUtil/setRuleThreshold.adoc[`setRuleThreshold`] 
| Set the cached rule threshold for the specified `category` to the specified `ruleThreshold`.
| xref:BloombergLP/ball/CategoryManagerImpUtil/updateThresholdForHolders.adoc[`updateThresholdForHolders`] 
| Update the threshold of all category holders that hold the address of the specified `category` object to the maximum of `d_threshold` and `d_ruleThreshold`.
|===



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