[#BloombergLP-bdlma-Factory]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlma.adoc[bdlma]::Factory
:relfileprefix: ../../
:mrdocs:

Provide a protocol for a thread‐safe object creator and deleter.

== Synopsis

Declared in `<bdlma_factory.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
class Factory
    : public xref:BloombergLP/bdlma/Deleter.adoc[Deleter<TYPE>]
----

== Description

This `class` provides a protocol (or pure interface) for a thread‐safe object creator and deleter. It extends the `Deleter` protocol with the addition of a `createObject` method.

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/bdlma/Deleter.adoc[Deleter<TYPE>]`
| Provide a protocol (or pure interface) for a thread‐safe object deleter.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlma/Factory/2destructor.adoc[`~Factory`] [.small]#[destructor]# [.small]#[virtual]#
| Destroy this object factory.
| xref:BloombergLP/bdlma/Factory/createObject.adoc[`createObject`]  [.small]#[virtual]#
| Create a default‐constructed instance of `TYPE`.
| xref:BloombergLP/bdlma/Factory/deleteObject.adoc[`deleteObject`]  [.small]#[virtual]#
| Destroy the specified `instance` and release its memory.
|===


== Derived Classes

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlcc/ObjectPool.adoc[`ObjectPool`] 
| Thread‐safe pool of reusable objects that implements `bdlma::Factory`.
|===


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