sensesp::ObservableValue< T > Class Template Reference

A value container that notifies its observers if it gets changed. More...

#include <sensesp/system/observablevalue.h>

Inheritance diagram for sensesp::ObservableValue< T >:

Public Member Functions
	ObservableValue ()=default
	ObservableValue (const T &value)
	ObservableValue (const ObservableValue &)=delete
ObservableValue &	operator= (const ObservableValue &)=delete
void	set (const T &value) override
const T &	operator= (const T &value)
T &	operator++ ()
T &	operator-- ()
T	operator++ (int)
T	operator-- (int)
const T &	operator+= (const T &value)
const T &	operator-= (const T &value)
Public Member Functions inherited from sensesp::ValueConsumer< T >
virtual void	set_input (const T &new_value)
void	connect_from (ValueProducer< T > *producer)
Public Member Functions inherited from sensesp::ValueProducer< T >
	ValueProducer ()
	ValueProducer (const T &initial_value)
virtual const T &	get () const
template<typename VConsumer>
std::enable_if< std::is_base_of< ValueConsumer< typenameVConsumer::input_type >, VConsumer >::value &&std::is_convertible< T, typenameVConsumer::input_type >::value, std::shared_ptr< VConsumer > >::type	connect_to (std::shared_ptr< VConsumer > consumer)
	Connect a producer to a transform with a different input type.
template<typename VConsumer>
std::enable_if< std::is_base_of< ValueConsumer< typenameVConsumer::input_type >, VConsumer >::value &&std::is_convertible< T, typenameVConsumer::input_type >::value, VConsumer * >::type	connect_to (VConsumer *consumer)
template<typename VConsumer>
std::enable_if< std::is_base_of< ValueConsumer< typenameVConsumer::input_type >, VConsumer >::value &&std::is_convertible< T, typenameVConsumer::input_type >::value, VConsumer * >::type	connect_to (VConsumer &consumer)
void	emit (const T &new_value)
Public Member Functions inherited from sensesp::Observable
	Observable ()
	Observable (Observable &&other)
	Move constructor.
void	notify ()
int	attach (std::function< void()> observer)
	Attach an observer callback.
void	detach (int id)
	Remove a previously attached observer by its ID.

Friends
template<class U>
bool	operator== (ObservableValue< U > const &lhs, U const &rhs)
template<class U>
bool	operator!= (ObservableValue< U > const &lhs, U const &rhs)

Additional Inherited Members
Public Types inherited from sensesp::ValueConsumer< T >
using	input_type = T
Protected Attributes inherited from sensesp::ValueProducer< T >
T	output_

Detailed Description

template<class T>
class sensesp::ObservableValue< T >

A value container that notifies its observers if it gets changed.

Definition at line 29 of file observablevalue.h.

Constructor & Destructor Documentation

ObservableValue() [1/3]

template<class T>

sensesp::ObservableValue< T >::ObservableValue ( )

default

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ObservableValue() [2/3]

template<class T>

sensesp::ObservableValue< T >::ObservableValue ( const T & value )

inline

Definition at line 33 of file observablevalue.h.

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ObservableValue() [3/3]

template<class T>

sensesp::ObservableValue< T >::ObservableValue ( const ObservableValue< T > & )

delete

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Member Function Documentation

operator++() [1/2]

template<class T>

T & sensesp::ObservableValue< T >::operator++ ( )

inline

Definition at line 47 of file observablevalue.h.

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operator++() [2/2]

template<class T>

T sensesp::ObservableValue< T >::operator++ ( int )

inline

Definition at line 57 of file observablevalue.h.

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operator+=()

template<class T>

const T & sensesp::ObservableValue< T >::operator+= ( const T & value )

inline

Definition at line 69 of file observablevalue.h.

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operator--() [1/2]

template<class T>

T & sensesp::ObservableValue< T >::operator-- ( )

inline

Definition at line 52 of file observablevalue.h.

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operator--() [2/2]

template<class T>

T sensesp::ObservableValue< T >::operator-- ( int )

inline

Definition at line 63 of file observablevalue.h.

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operator-=()

template<class T>

const T & sensesp::ObservableValue< T >::operator-= ( const T & value )

inline

Definition at line 74 of file observablevalue.h.

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operator=() [1/2]

template<class T>

ObservableValue & sensesp::ObservableValue< T >::operator= ( const ObservableValue< T > & )

delete

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operator=() [2/2]

template<class T>

const T & sensesp::ObservableValue< T >::operator= ( const T & value )

inline

Definition at line 42 of file observablevalue.h.

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set()

template<class T>

void sensesp::ObservableValue< T >::set ( const T & new_value )

inlineoverridevirtual

Used to set an input of this consumer. It is called automatically by a ValueProducer but can also be called manually.

Parameters

new_value

the value of the input

Reimplemented from sensesp::ValueConsumer< T >.

Reimplemented in sensesp::PersistingObservableValue< T >, sensesp::PersistingObservableValue< String >, sensesp::TaskQueueProducer< T >, sensesp::TaskQueueProducer< int >, and sensesp::TaskQueueProducer< SKWSConnectionState >.

Definition at line 40 of file observablevalue.h.

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Friends And Related Symbol Documentation

operator!=

template<class T>

template<class U>

bool operator!= ( ObservableValue< U > const & lhs, U const & rhs )

friend

operator==

template<class T>

template<class U>

bool operator== ( ObservableValue< U > const & lhs, U const & rhs )

friend

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

• src/sensesp/system/observablevalue.h