[#BloombergLP-bdlcc-Cache_QueueProctor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::Cache_QueueProctor
:relfileprefix: ../../
:mrdocs:

This class implements a proctor that, on destruction, restores the queue to its state at the time of the proctor's creation. We assume that the only change to the queue is that 0 or more items have been added to the end. If `release` has been called, the destructor takes no action.

== Synopsis

Declared in `<bdlcc_cache.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class KEY>
class Cache_QueueProctor;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlcc/Cache_QueueProctor/2constructor.adoc[`Cache_QueueProctor`]         [.small]#[constructor]#
| Create a `Cache_QueueProctor` object to monitor the specified `queue`.
| xref:BloombergLP/bdlcc/Cache_QueueProctor/2destructor.adoc[`~Cache_QueueProctor`] [.small]#[destructor]#
| Destroy this proctor object. Remove any elements that we added since the proctor was created.
| xref:BloombergLP/bdlcc/Cache_QueueProctor/release.adoc[`release`] 
| Release the queue specified on construction, so that it will not be modified on the destruction of this proctor.
|===



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