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

A `DefaultAttributeContainer` object contains a collection of (unique) attributes values.

== Synopsis

Declared in `<ball_defaultattributecontainer.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class DefaultAttributeContainer
    : public xref:BloombergLP/ball/AttributeContainer.adoc[AttributeContainer]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/ball/AttributeContainer.adoc[AttributeContainer]`
| This class defines a protocol for a container of attribute values.
|===

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/ball/DefaultAttributeContainer/allocator_type.adoc[`allocator_type`] 
| This `typedef` is an alias for the allocator used by this object.
| xref:BloombergLP/ball/DefaultAttributeContainer/const_iterator.adoc[`const_iterator`] 
| This `typedef` is an alias for a constant iterator over the attributes managed by this object.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/ball/DefaultAttributeContainer/2constructor-0d.adoc[`DefaultAttributeContainer`]         [.small]#[constructor]#
| Constructors
| xref:BloombergLP/ball/DefaultAttributeContainer/2destructor.adoc[`~DefaultAttributeContainer`] [.small]#[destructor]# [.small]#[virtual]#
| Destroy this object.
| xref:BloombergLP/ball/DefaultAttributeContainer/operator_assign.adoc[`operator=`] 
| Assign to this object the value of the specified `rhs` object, and return a non‐`const` reference to this object.
| xref:BloombergLP/ball/DefaultAttributeContainer/addAttribute.adoc[`addAttribute`] 
| Add an attribute having the specified `value` to this object.
| xref:BloombergLP/ball/DefaultAttributeContainer/begin.adoc[`begin`] 
| Return an iterator pointing at the beginning of the (unordered) sequence of attributes managed by this map, or `end()` if `numAttributes()` is 0.
| xref:BloombergLP/ball/DefaultAttributeContainer/end.adoc[`end`] 
| Return an iterator pointing at one past the end of the map.
| xref:BloombergLP/ball/DefaultAttributeContainer/get_allocator.adoc[`get_allocator`] 
| Return the allocator used by this object to supply memory.
| xref:BloombergLP/ball/DefaultAttributeContainer/hasValue.adoc[`hasValue`]  [.small]#[virtual]#
| Return `true` if the attribute having specified `value` exists in this object, and `false` otherwise.
| xref:BloombergLP/ball/DefaultAttributeContainer/numAttributes.adoc[`numAttributes`] 
| Return the number of attributes managed by this object.
| xref:BloombergLP/ball/DefaultAttributeContainer/print.adoc[`print`]  [.small]#[virtual]#
| Format this object to the specified output `stream`.
| xref:BloombergLP/ball/DefaultAttributeContainer/removeAllAttributes.adoc[`removeAllAttributes`] 
| Remove every attribute in this attribute set.
| xref:BloombergLP/ball/DefaultAttributeContainer/removeAttribute.adoc[`removeAttribute`] 
| Remove the attribute having the specified `value` from this object.
| xref:BloombergLP/ball/DefaultAttributeContainer/visitAttributes.adoc[`visitAttributes`]  [.small]#[virtual]#
| Invoke the specified `visitor` function for all attributes in this container.
| xref:BloombergLP/ball/DefaultAttributeContainer/2conversion.adoc[`operator BloombergLP::bslmf::NestedTraitDeclaration<DefaultAttributeContainer, UsesBslmaAllocator>`] 
| Declare that this type uses a `bslma` allocator.
|===


== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/ball/operator_not_eq-04.adoc[`operator!=`]
| Return `true` if the specified `lhs` and `rhs` objects do not have the same value, and `false` otherwise.
| xref:BloombergLP/ball/operator_eq-01e.adoc[`operator==`]
| Return `true` if the specified `lhs` and `rhs` objects have the same value, and `false` otherwise.
|===


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