NetworkTables struct-encoded value array entry. More...

#include <networktables/StructArrayTopic.h>

Inheritance diagram for nt::StructArrayEntry< T, I >:

Public Types
using	SubscriberType = StructArraySubscriber<T, I...>

using	PublisherType = StructArrayPublisher<T, I...>

using	TopicType = StructArrayTopic<T, I...>

using	ValueType = std::vector<T>

using	ParamType = std::span<const T>

using	TimestampedValueType = Timestamped<ValueType>

Public Types inherited from nt::StructArraySubscriber< T, I... >
using	TopicType

using	ValueType

using	ParamType

using	TimestampedValueType

Public Types inherited from nt::StructArrayPublisher< T, I... >
using	TopicType

using	ValueType

using	ParamType

using	TimestampedValueType

Public Member Functions
	StructArrayEntry ()=default

template<typename U >
	StructArrayEntry (NT_Entry handle, U &&defaultValue, const I &... info)
	Construct from an entry handle; recommended to use StructTopic::GetEntry() instead.

	operator bool () const
	Determines if the native handle is valid.

NT_Entry	GetHandle () const
	Gets the native handle for the entry.

TopicType	GetTopic () const
	Get the corresponding topic.

void	Unpublish ()
	Stops publishing the entry if it's published.

Public Member Functions inherited from nt::StructArraySubscriber< T, I... >
	StructArraySubscriber ()=default

	StructArraySubscriber (NT_Subscriber handle, U &&defaultValue, I... info)
	Construct from a subscriber handle; recommended to use StructTopic::Subscribe() instead.

ValueType	Get () const
	Get the last published value.

ValueType	Get (U &&defaultValue) const
	Get the last published value.

ValueType	Get (std::span< const T > defaultValue) const
	Get the last published value.

TimestampedValueType	GetAtomic () const
	Get the last published value along with its timestamp If no value has been published or the value cannot be unpacked, returns the stored default value and a timestamp of 0.

TimestampedValueType	GetAtomic (U &&defaultValue) const
	Get the last published value along with its timestamp.

TimestampedValueType	GetAtomic (std::span< const T > defaultValue) const
	Get the last published value along with its timestamp.

std::vector< TimestampedValueType >	ReadQueue ()
	Get an array of all valid value changes since the last call to ReadQueue.

TopicType	GetTopic () const
	Get the corresponding topic.

Public Member Functions inherited from nt::Subscriber
virtual	~Subscriber ()

	Subscriber (const Subscriber &)=delete

Subscriber &	operator= (const Subscriber &)=delete

	Subscriber (Subscriber &&rhs)

Subscriber &	operator= (Subscriber &&rhs)

	operator bool () const
	Determines if the native handle is valid.

NT_Subscriber	GetHandle () const
	Gets the native handle for the subscriber.

bool	Exists () const
	Determines if the topic is currently being published.

int64_t	GetLastChange () const
	Gets the last time the value was changed.

Topic	GetTopic () const
	Gets the subscribed-to topic.

Public Member Functions inherited from nt::StructArrayPublisher< T, I... >
	StructArrayPublisher ()=default

	StructArrayPublisher (NT_Publisher handle, I... info)
	Construct from a publisher handle; recommended to use StructTopic::Publish() instead.

	StructArrayPublisher (const StructArrayPublisher &)=delete

	StructArrayPublisher (StructArrayPublisher &&rhs)

StructArrayPublisher &	operator= (const StructArrayPublisher &)=delete

StructArrayPublisher &	operator= (StructArrayPublisher &&rhs)

void	Set (U &&value, int64_t time=0)
	Publish a new value.

void	Set (std::span< const T > value, int64_t time=0)
	Publish a new value.

void	SetDefault (U &&value)
	Publish a default value.

void	SetDefault (std::span< const T > value)
	Publish a default value.

TopicType	GetTopic () const
	Get the corresponding topic.

Public Member Functions inherited from nt::Publisher
virtual	~Publisher ()

	Publisher (const Publisher &)=delete

Publisher &	operator= (const Publisher &)=delete

	Publisher (Publisher &&rhs)

Publisher &	operator= (Publisher &&rhs)

	operator bool () const
	Determines if the native handle is valid.

NT_Publisher	GetHandle () const
	Gets the native handle for the publisher.

Topic	GetTopic () const
	Gets the published-to topic.

Additional Inherited Members
Protected Member Functions inherited from nt::Subscriber
	Subscriber ()=default

	Subscriber (NT_Subscriber handle)

Protected Member Functions inherited from nt::Publisher
	Publisher ()=default

	Publisher (NT_Publisher handle)

Protected Attributes inherited from nt::Subscriber
NT_Subscriber	m_subHandle {0}

Protected Attributes inherited from nt::Publisher
NT_Publisher	m_pubHandle {0}
	NetworkTables handle.

Detailed Description

template<typename T, typename... I>
requires wpi::StructSerializable<T, I...>
class nt::StructArrayEntry< T, I >

NetworkTables struct-encoded value array entry.

Note: Unlike NetworkTableEntry, the entry goes away when this is destroyed.

Member Typedef Documentation

◆ ParamType

template<typename T , typename... I>

using nt::StructArrayEntry< T, I >::ParamType = std::span<const T>

◆ PublisherType

template<typename T , typename... I>

using nt::StructArrayEntry< T, I >::PublisherType = StructArrayPublisher<T, I...>

◆ SubscriberType

template<typename T , typename... I>

using nt::StructArrayEntry< T, I >::SubscriberType = StructArraySubscriber<T, I...>

◆ TimestampedValueType

template<typename T , typename... I>

using nt::StructArrayEntry< T, I >::TimestampedValueType = Timestamped<ValueType>

◆ TopicType

template<typename T , typename... I>

using nt::StructArrayEntry< T, I >::TopicType = StructArrayTopic<T, I...>

◆ ValueType

template<typename T , typename... I>

using nt::StructArrayEntry< T, I >::ValueType = std::vector<T>

Constructor & Destructor Documentation

◆ StructArrayEntry() [1/2]

template<typename T , typename... I>

nt::StructArrayEntry< T, I >::StructArrayEntry ( )

default

◆ StructArrayEntry() [2/2]

template<typename T , typename... I>

template<typename U >

nt::StructArrayEntry< T, I >::StructArrayEntry	(	NT_Entry	handle,
		U &&	defaultValue,
		const I &...	info )

inline

Construct from an entry handle; recommended to use StructTopic::GetEntry() instead.

Parameters

handle	Native handle
defaultValue	Default value
info	optional struct type info

Member Function Documentation

◆ GetHandle()

template<typename T , typename... I>

NT_Entry nt::StructArrayEntry< T, I >::GetHandle ( ) const

inline

Gets the native handle for the entry.

Returns: Native handle

◆ GetTopic()

template<typename T , typename... I>

TopicType nt::StructArrayEntry< T, I >::GetTopic ( ) const

inline

Get the corresponding topic.

Returns: Topic

◆ operator bool()

template<typename T , typename... I>

nt::StructArrayEntry< T, I >::operator bool ( ) const

inlineexplicit

Determines if the native handle is valid.

Returns: True if the native handle is valid, false otherwise.

◆ Unpublish()

template<typename T , typename... I>

void nt::StructArrayEntry< T, I >::Unpublish ( )

inline

Stops publishing the entry if it's published.

The documentation for this class was generated from the following file:

networktables/StructArrayTopic.h

Public Types

Public Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ ParamType

◆ PublisherType

◆ SubscriberType

◆ TimestampedValueType

◆ TopicType

◆ ValueType

Constructor & Destructor Documentation

◆ StructArrayEntry() [1/2]

◆ StructArrayEntry() [2/2]

Member Function Documentation

◆ GetHandle()

◆ GetTopic()

◆ operator bool()

◆ Unpublish()