[#BloombergLP-bdlmt-Signaler_SlotNode]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlmt.adoc[bdlmt]::Signaler_SlotNode
:relfileprefix: ../../
:mrdocs:

Dynamically allocated container holding one connected slot.

== Synopsis

Declared in `<bdlmt_signaler.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_PROT>
class Signaler_SlotNode
    : public xref:BloombergLP/bdlmt/Signaler_SlotNode_Base.adoc[Signaler_SlotNode_Base]
----

== Description

Dynamically‐allocated container for one slot, containing a function object that can be called by a signaler. Owned by a shared pointer in a skip list container in the `Signaler_Node`. Also referred to by weak pointers from `SignalerConnection` objects.

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/bdlmt/Signaler_SlotNode_Base.adoc[Signaler_SlotNode_Base]`
| Non‐template protocol base for `Signaler_SlotNode`.
|===

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlmt/Signaler_SlotNode/SlotMapKey.adoc[`SlotMapKey`] 
| Defines a "key" used to index slots in an associative collection. The first element of the pair is the slot call group; the second is the slot ID.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlmt/Signaler_SlotNode/2constructor.adoc[`Signaler_SlotNode`]         [.small]#[constructor]#
| Create a `Signaler_SlotNode` for the given signaler, key, and slot.
| xref:BloombergLP/bdlmt/Signaler_SlotNode/disconnect.adoc[`disconnect`]  [.small]#[virtual]#
| Disconnect this slot without waiting for in‐progress signals.
| xref:BloombergLP/bdlmt/Signaler_SlotNode/disconnectAndWait.adoc[`disconnectAndWait`]  [.small]#[virtual]#
| Disconnect this slot and wait for in‐progress signals to finish.
| xref:BloombergLP/bdlmt/Signaler_SlotNode/invoke.adoc[`invoke`] 
| Invoke the stored callback with the supplied arguments.
| xref:BloombergLP/bdlmt/Signaler_SlotNode/isConnected.adoc[`isConnected`]  [.small]#[virtual]#
| Return `true` if this slot is connected to its associated signaler, and `false` otherwise.
| xref:BloombergLP/bdlmt/Signaler_SlotNode/notifyDisconnected.adoc[`notifyDisconnected`] 
| Notify this slot that is was disconnected from its associated signaler. Throws nothing. After this function completes, `isConnected()` returns `false`.
|===



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