DEENESPTFRRUARHIKOZHNL

clase ara::core::Promise

[SWS_CORE_00340] Upstream: RS_AP_00130

template <typename T, typename E = ErrorCode> class Promise final {...};

ara::core specific variant of std::promise class The implementation shall flag the condition E!=ara::core::ErrorCode as a compile error.

Header-Datei#include "ara/core/future.h"
Forwarding-Header#include "ara/core/core_fwd.h"
Scopenamespace ara::core

Guía del usuarioGENERADO POR IA

Proporciona un canal asíncrono para transferir valores o errores entre hilos a un Future asociado.
GENERADO POR IA no revisado Modelo: gemini-3.8-flash-medium · Esfuerzo: medium · Temperatura: no controlable · Prompt: 5c323bf911df Procedencia Preguntas abiertas (1)
traducido de la guía alemanagemini-3.8-flash-low · 2026-10-13 · Original en alemán

Proporciona un canal asíncrono para transferir valores o errores entre hilos a un Future asociado.

La clase ara::core::Promise actúa como extremo de escritura asíncrono para transferir valores, errores o resultados entre hilos a un estado compartido [SWS_CORE_00341]. El acceso de lectura se realiza a través de un Future recuperable exactamente una vez, el cual se libera al suministrarse el resultado [SWS_CORE_00344]. Dado que la clase no es copiable, el estado permanece estrictamente en posesión unívoca mediante semántica de movimiento, provocando violaciones estandarizadas si se establece el resultado varias veces o se recupera el Future repetidamente.

Contexto

La clase ara::core::Promise representa la variante específica de Adaptive Platform del concepto std::promise conocido del estándar C++. Está definida en el encabezado ara/core/future.h como plantilla Promise<T, E = ErrorCode> y sirve como extremo de escritura asíncrono de un estado compartido (shared state). A través de este canal, un productor transfiere entre hilos un valor de salida calculado, un error o un ara::core::Result agregado. La parte receptora correspondiente accede al resultado mediante un ara::core::Future asociado, el cual se recupera a través del método de instancia get_future [SWS_CORE_00344]. A diferencia del mecanismo estándar de C++, que se basa principalmente en excepciones, AUTOSAR Adaptive afianza el paradigma tipificado por errores: si se elige un tipo de error E distinto de ara::core::ErrorCode, la especificación impone un error de compilación.

Ciclo de vida

Una instancia se crea regularmente a través del constructor predeterminado sin parámetros, el cual se comporta igual que el constructor correspondiente de std::promise, es seguro para hilos y establece un nuevo estado compartido [SWS_CORE_00341]. Para garantizar relaciones de propiedad unívocas sobre este estado, las operaciones de copia están completamente prohibidas: tanto el constructor de copia [SWS_CORE_00350] como el operador de asignación por copia [SWS_CORE_00351] están declarados como eliminados (delete).

Sin embargo, la clase admite semántica de movimiento (move). El constructor de movimiento asume el estado compartido de la instancia de origen [SWS_CORE_00342]. En una asignación por movimiento, la instancia de destino renuncia a su estado compartido previo y asume el estado del objeto transferido de forma análoga a una operación de intercambio [SWS_CORE_00343]. Además, el método swap permite intercambiar el estado interno con otra instancia [SWS_CORE_00352]. Al destruirse mediante el destructor, se libera o se abandona un estado compartido que aún se retenga [SWS_CORE_00349]. Mientras que el constructor predeterminado está diseñado para ser seguro para hilos [SWS_CORE_00341], las operaciones de movimiento, las asignaciones, el intercambio (swap) y la destrucción no son seguros para hilos ([SWS_CORE_00342], [SWS_CORE_00343], [SWS_CORE_00352], [SWS_CORE_00349]).

PromiseStates Init Created SharedStateInitialisiert Init->Created Promise() FutureRetrieved FutureAbgerufen Created->FutureRetrieved get_future() Ready SharedStateReady Created->Ready set_value() / SetError() / SetResult() NoState KeinSharedState Created->NoState Move / operator= Destroyed Beendet Created->Destroyed ~Promise() FutureRetrieved->Ready set_value() / SetError() / SetResult() FutureRetrieved->NoState Move / operator= FutureRetrieved->Destroyed ~Promise() Ready->NoState Move / operator= Ready->Destroyed ~Promise() NoState->Destroyed ~Promise()

Diagrama de estados: ciclo de vida y transiciones de estado del estado compartido en una instancia de Promise. Fuentes: [SWS_CORE_00341], [SWS_CORE_00342], [SWS_CORE_00343], [SWS_CORE_00344], [SWS_CORE_00345], [SWS_CORE_00349], [SWS_CORE_00353], [SWS_CORE_00355]

Ruta de uso

Un flujo típico de provisión comprende los siguientes pasos:

  1. Creación: el productor instancia un ara::core::Promise<T, E> [SWS_CORE_00341].
  2. Recuperar Future: antes de iniciar el procesamiento asíncrono, el productor llama a get_future() [SWS_CORE_00344]. Dado que por cada Promise solo se permite un único Future asociado, esta llamada debe realizarse exactamente una vez. El Future devuelto se transfiere al hilo consumidor.
  3. Establecer resultado: tras concluir la operación asíncrona, el productor transfiere el resultado al estado compartido y sitúa a este en el estado ready. Para ello dispone de sobrecargas seguras para hilos tanto para operaciones de copia como de movimiento:
Provisión asíncrona mediante Promise y FutureErzeugerPromiseSharedStateFutureVerbraucherPromise()Erzeuge Shared Stateget_future()Crear Future con estado compartidoTransferencia de FuturealtErfolgsfall: Wert bereitstellenset_value(value)Speichere Wert, setze Zustand readyFehlerfall: Fehler meldenSetError(error)Speichere Error, setze Zustand readyResult-Fall: Resultat setzenSetResult(result)Speichere Result, setze Zustand readyErgebnis abfragenLese Zustand

Diagrama de secuencia: secuencia de llamadas y sincronización entre productor, Promise, Shared State y consumidor. Fuentes: [SWS_CORE_00341], [SWS_CORE_00344], [SWS_CORE_00345], [SWS_CORE_00353], [SWS_CORE_00355]

Escenarios de error

La especificación define precondiciones estrictas para todas las interacciones con el estado compartido, cuyo incumplimiento conduce a violaciones estandarizadas (Violations):

  • Recuperación múltiple del Future: si se llama a get_future() más de una vez para el mismo estado compartido, se produce la violación IsoStdFutureErrcFutureAlreadyRetrievedViolation [SWS_CORE_00344].
  • Ausencia de Shared State: si la instancia llamada no posee un estado compartido —por ejemplo, tras realizar una operación de movimiento—, get_future() da lugar a IsoStdFutureErrcNoStateViolation [SWS_CORE_00344]. En este caso, los métodos set_value, SetError y SetResult desencadenan la violación PromiseNoSharedStateToSetViolation ([SWS_CORE_00345], [SWS_CORE_00353], [SWS_CORE_00355]).
  • Estado ya satisfecho: si el estado compartido ya ha sido asignado con un valor, error o resultado, cualquier llamada sucesiva a set_value ([SWS_CORE_00345], [SWS_CORE_00346]), SetError ([SWS_CORE_00353], [SWS_CORE_00354]) o SetResult ([SWS_CORE_00355], [SWS_CORE_00356]) provoca la violación IsoStdFutureErrcPromiseAlreadySatisfiedViolation.
  • Seguridad ante excepciones: los métodos set_value, SetError y SetResult ofrecen seguridad condicional ante excepciones (conditionally exception safe). No lanzan excepciones, siempre que los constructores de los tipos T y E estén declarados como nothrow ([SWS_CORE_00345], [SWS_CORE_00353], [SWS_CORE_00355]).

Interpretación: el abandono del estado compartido durante la destrucción de la instancia sin una asignación previa de valor ([SWS_CORE_00349]) debería conllevar, de forma análoga al comportamiento estándar de C++ de std::promise, que un Future asociado registre el correspondiente evento de error al intentar la lectura. Pregunta Q-fd013bb17a591af9 (abierta)

Esta guía se basa exclusivamente en los requisitos de especificación de AUTOSAR Adaptive (Release R25-11).

Mapa de miembros

Constructores y destructor

2

Operadores

1

Diagrama de clases

Hohle Dreieckspfeile = Vererbung (zeigt zur Basisklasse); Klicken öffnet die jeweilige Klassenseite.

G nara__core__Promise131 Promise + Promise() + operator=() + ~Promise() + SetError() + SetResult() + get_future() + set_value() + swap()

Vista de detalle

Selecciona una entrada en el índice.

Constructores y destructor

Promise función 3

Default constructor This function shall behave the same as the corresponding std::promise function. ≙ std::promise

Sobrecargas Promise 3
Promise () noexcept; SWS_CORE_00341
Promise (Promise &&other) noexcept; SWS_CORE_00342
Promise (const Promise &)=delete; SWS_CORE_00350
~Promise función

Destructor for Promise objects Abandons any shared state.

~Promise () noexcept;

Métodos

get_future función

Return an associated Future with the same shared state as *this The returned Future is set as soon as this Promise receives the result, value, or an error. This fuction must only be called once as it is not allowed to have multiple Futures per Promise.

Future< T, E > get_future () noexcept;
set_value función 2

Copy a value into the shared state and make the shared state ready.

Sobrecargas set_value 2
void set_value (const T &value) noexcept(std::is_nothrow_copy_ constructible< T >::value); SWS_CORE_00345
void set_value (T &&value) noexcept(std::is_nothrow_move_ constructible< T >::value); SWS_CORE_00346
SetError función 2

Move an error into the shared state and make the shared state ready.

Sobrecargas SetError 2
void SetError (E &&error) noexcept(std::is_nothrow_move_constructible< E >::value); SWS_CORE_00353
void SetError (const E &error) noexcept(std::is_nothrow_copy_ constructible< E >::value); SWS_CORE_00354
SetResult función 2

Copy a Result into the shared state and make the shared state ready.

Sobrecargas SetResult 2
void SetResult (const Result< T, E > &result) noexcept(std::is_ nothrow_copy_constructible< T >::value &&std::is_nothrow_copy_ constructible< E >::value); SWS_CORE_00355
void SetResult (Result< T, E > &&result) noexcept(std::is_nothrow_ move_constructible< T >::value &&std::is_nothrow_move_constructible< E >::value); SWS_CORE_00356
swap función

Swap the contents of this instance with another one’s. This function shall behave the same as the corresponding std::promise function. ≙ std::promise

void swap (Promise &other) noexcept;

Operadores

operator= función 2

Move assignment Abandons any shared state and then as if Promise(std::move(other)).swap(*this). ≙ std::move

Sobrecargas = 2
Promise & operator= (Promise &&other) noexcept; SWS_CORE_00343
Promise & operator= (const Promise &)=delete; SWS_CORE_00351

Documentación de los métodos

función Promise [SWS_CORE_00341] Upstream: RS_AP_00130

Promise () noexcept;

Default constructor This function shall behave the same as the corresponding std::promise function.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitexception safe
Thread-Sicherheitthread-safe

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función Promise [SWS_CORE_00342] Upstream: RS_AP_00130

Promise (Promise &&other) noexcept;

Move constructor This function shall behave the same as the corresponding std::promise function.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitexception safe
Thread-Sicherheitnot thread-safe

Parameter (in)

ParameterBeschreibung
otherthe other instance

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función Promise [SWS_CORE_00350] Upstream: RS_AP_00130

Promise (const Promise &)=delete;

Copy constructor shall be disabled.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise

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función SetError [SWS_CORE_00353] Upstream: RS_AP_00130

void SetError (E &&error) noexcept(std::is_nothrow_move_constructible< E >::value);

Move an error into the shared state and make the shared state ready.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitconditionally exception safe
Thread-Sicherheitthread-safe
Verletzungen (Violations)IsoStdFutureEr- If the shared state already has a stored value or error. rcPromiseAl- readySatisfiedVio- lation PromiseNoShared- If *this has no shared state. StateToSetViola- tion

Parameter (in)

ParameterBeschreibung
errorthe error to store

Rückgabewert

TypBeschreibung
None

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AUTOSAR/AP/record/SWS_CORE_00353
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función SetError [SWS_CORE_00354] Upstream: RS_AP_00130

void SetError (const E &error) noexcept(std::is_nothrow_copy_ constructible< E >::value);

Copy an error into the shared state and make the shared state ready.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitconditionally exception safe
Thread-Sicherheitthread-safe
Verletzungen (Violations)IsoStdFutureEr- If the shared state already has a stored value or error. rcPromiseAl- readySatisfiedVio- lation PromiseNoShared- If *this has no shared state. StateToSetViola- tion

Parameter (in)

ParameterBeschreibung
errorthe error to store

Rückgabewert

TypBeschreibung
None

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AUTOSAR/AP/record/SWS_CORE_00354
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función SetResult [SWS_CORE_00355] Upstream: RS_AP_00130

void SetResult (const Result< T, E > &result) noexcept(std::is_ nothrow_copy_constructible< T >::value &&std::is_nothrow_copy_ constructible< E >::value);

Copy a Result into the shared state and make the shared state ready.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitconditionally exception safe
Thread-Sicherheitthread-safe
Verletzungen (Violations)IsoStdFutureEr- If the shared state already has a stored value or error. rcPromiseAl- readySatisfiedVio- lation PromiseNoShared- If *this has no shared state. StateToSetViola- tion

Parameter (in)

ParameterBeschreibung
resultthe result to store

Rückgabewert

TypBeschreibung
None

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AUTOSAR/AP/record/SWS_CORE_00355
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Status: valid/unmigrated Version: rel:R25-11#eb823c26 Versionshistorie & Revisions (1 transition, 7 revision)
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función SetResult [SWS_CORE_00356] Upstream: RS_AP_00130

void SetResult (Result< T, E > &&result) noexcept(std::is_nothrow_ move_constructible< T >::value &&std::is_nothrow_move_constructible< E >::value);

Move a Result into the shared state and make the shared state ready.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitconditionally exception safe
Thread-Sicherheitthread-safe
Verletzungen (Violations)IsoStdFutureEr- If the shared state already has a stored value or error. rcPromiseAl- readySatisfiedVio- lation PromiseNoShared- If *this has no shared state. StateToSetViola- tion

Parameter (in)

ParameterBeschreibung
resultthe result to store

Rückgabewert

TypBeschreibung
None

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Source
https://www.autosar.org/fileadmin/standards/R25-11/AP/AUTOSAR_AP_SWS_Core.pdf#nameddest=SWS_CORE_00356
Status: valid/unmigrated Version: rel:R25-11#445f8c93 Versionshistorie & Revisions (1 transition, 7 revision)
Current State
valid/unmigrated
Reason
mechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record
Campaign
2026-08-13-status-backfill
Active Version
AUTOSAR/AP/record/SWS_CORE_00356@rel:R25-11#445f8c93
Point-in-Time History:
Recorded Revisions (7):
  • R25-11rel:R25-11#cae957a92026-09-30
  • R20-11rel:R20-11#558a00112026-10-14
  • R21-11rel:R21-11#558a00112026-10-14
  • R22-11rel:R22-11#dbcdc7d52026-10-14
  • R23-11rel:R23-11#9e711ec62026-10-14
  • R24-11rel:R24-11#0194828a2026-10-14
  • R25-11rel:R25-11#445f8c932026-10-14 active
DateActorTransitionReason / RationaleCampaign
2026-08-13toolnone → valid/unmigratedmechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record2026-08-13-status-backfill

función get_future [SWS_CORE_00344] Upstream: RS_AP_00130

Future< T, E > get_future () noexcept;

Return an associated Future with the same shared state as *this The returned Future is set as soon as this Promise receives the result, value, or an error. This fuction must only be called once as it is not allowed to have multiple Futures per Promise.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitexception safe
Thread-Sicherheitnot thread-safe
Verletzungen (Violations)IsoStdFutureErrc- If the function is called more than once on the same shared FutureAlreadyRe- state. trievedViolation IsoStdFutureErrc- If *this has no shared state. NoStateViolation

Rückgabewert

TypBeschreibung
Future< T, E >a Future with the same shared state as *this

Fehler

FehlercodeBeschreibung
This function does not specify any standardized errors.

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Record
AUTOSAR/AP/record/SWS_CORE_00344
Status
valid/unmigrated
Version
AUTOSAR/AP/record/SWS_CORE_00344@rel:R25-11#0445e8aa
Content hash
0445e8aa
Source
https://www.autosar.org/fileadmin/standards/R25-11/AP/AUTOSAR_AP_SWS_Core.pdf#nameddest=SWS_CORE_00344
Status: valid/unmigrated Version: rel:R25-11#9636ce04 Versionshistorie & Revisions (1 transition, 8 revision)
Current State
valid/unmigrated
Reason
mechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record
Campaign
2026-08-13-status-backfill
Active Version
AUTOSAR/AP/record/SWS_CORE_00344@rel:R25-11#9636ce04
Point-in-Time History:
Recorded Revisions (8):
  • R25-11rel:R25-11#f0a829512026-09-30
  • R19-11rel:R19-11#e89e1ade2026-10-14
  • R20-11rel:R20-11#4b3f3d5b2026-10-14
  • R21-11rel:R21-11#dc390e3a2026-10-14
  • R22-11rel:R22-11#d25873012026-10-14
  • R23-11rel:R23-11#616361012026-10-14
  • R24-11rel:R24-11#59190fca2026-10-14
  • R25-11rel:R25-11#9636ce042026-10-14 active
DateActorTransitionReason / RationaleCampaign
2026-08-13toolnone → valid/unmigratedmechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record2026-08-13-status-backfill

función operator= [SWS_CORE_00343] Upstream: RS_AP_00130

Promise & operator= (Promise &&other) noexcept;

Move assignment Abandons any shared state and then as if Promise(std::move(other)).swap(*this).

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitexception safe
Thread-Sicherheitnot thread-safe

Parameter (in)

ParameterBeschreibung
otherthe other instance

Rückgabewert

TypBeschreibung
Promise &*this

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Record
AUTOSAR/AP/record/SWS_CORE_00343
Status
valid/unmigrated
Version
AUTOSAR/AP/record/SWS_CORE_00343@rel:R25-11#886adf22
Content hash
886adf22
Source
https://www.autosar.org/fileadmin/standards/R25-11/AP/AUTOSAR_AP_SWS_Core.pdf#nameddest=SWS_CORE_00343
Status: valid/unmigrated Version: rel:R25-11#65fdcb27 Versionshistorie & Revisions (1 transition, 8 revision)
Current State
valid/unmigrated
Reason
mechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record
Campaign
2026-08-13-status-backfill
Active Version
AUTOSAR/AP/record/SWS_CORE_00343@rel:R25-11#65fdcb27
Point-in-Time History:
Recorded Revisions (8):
  • R25-11rel:R25-11#2c46856d2026-09-30
  • R19-11rel:R19-11#dc654ee02026-10-14
  • R20-11rel:R20-11#f1806e3b2026-10-14
  • R21-11rel:R21-11#34acef442026-10-14
  • R22-11rel:R22-11#407a30d82026-10-14
  • R23-11rel:R23-11#10c10b722026-10-14
  • R24-11rel:R24-11#15d095072026-10-14
  • R25-11rel:R25-11#65fdcb272026-10-14 active
DateActorTransitionReason / RationaleCampaign
2026-08-13toolnone → valid/unmigratedmechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record2026-08-13-status-backfill

función operator= [SWS_CORE_00351] Upstream: RS_AP_00130

Promise & operator= (const Promise &)=delete;

Copy assignment operator shall be disabled.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise

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Record
AUTOSAR/AP/record/SWS_CORE_00351
Status
valid/unmigrated
Version
AUTOSAR/AP/record/SWS_CORE_00351@rel:R25-11#cc16855a
Content hash
cc16855a
Source
https://www.autosar.org/fileadmin/standards/R25-11/AP/AUTOSAR_AP_SWS_Core.pdf#nameddest=SWS_CORE_00351
Status: valid/unmigrated Version: rel:R25-11#c5df3082 Versionshistorie & Revisions (1 transition, 8 revision)
Current State
valid/unmigrated
Reason
mechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record
Campaign
2026-08-13-status-backfill
Active Version
AUTOSAR/AP/record/SWS_CORE_00351@rel:R25-11#c5df3082
Point-in-Time History:
Recorded Revisions (8):
  • R25-11rel:R25-11#9b9068f42026-09-30
  • R19-11rel:R19-11#6c16087a2026-10-14
  • R20-11rel:R20-11#02e45f892026-10-14
  • R21-11rel:R21-11#02e45f892026-10-14
  • R22-11rel:R22-11#8a967fd52026-10-14
  • R23-11rel:R23-11#b412d2772026-10-14
  • R24-11rel:R24-11#c5df30822026-10-14
  • R25-11rel:R25-11#c5df30822026-10-14 active
DateActorTransitionReason / RationaleCampaign
2026-08-13toolnone → valid/unmigratedmechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record2026-08-13-status-backfill

función set_value [SWS_CORE_00345] Upstream: RS_AP_00130

void set_value (const T &value) noexcept(std::is_nothrow_copy_ constructible< T >::value);

Copy a value into the shared state and make the shared state ready.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitconditionally exception safe
Thread-Sicherheitthread-safe
Verletzungen (Violations)IsoStdFutureEr- If the shared state already has a stored value or error. rcPromiseAl- readySatisfiedVio- lation PromiseNoShared- If *this has no shared state. StateToSetViola- tion

Parameter (in)

ParameterBeschreibung
valuethe value to store

Rückgabewert

TypBeschreibung
None

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Record
AUTOSAR/AP/record/SWS_CORE_00345
Status
valid/unmigrated
Version
AUTOSAR/AP/record/SWS_CORE_00345@rel:R25-11#ff541cf2
Content hash
ff541cf2
Source
https://www.autosar.org/fileadmin/standards/R25-11/AP/AUTOSAR_AP_SWS_Core.pdf#nameddest=SWS_CORE_00345
Status: valid/unmigrated Version: rel:R25-11#6b282783 Versionshistorie & Revisions (1 transition, 8 revision)
Current State
valid/unmigrated
Reason
mechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record
Campaign
2026-08-13-status-backfill
Active Version
AUTOSAR/AP/record/SWS_CORE_00345@rel:R25-11#6b282783
Point-in-Time History:
Recorded Revisions (8):
  • R25-11rel:R25-11#f9783a292026-09-30
  • R19-11rel:R19-11#2c0ddcac2026-10-14
  • R20-11rel:R20-11#1095e01c2026-10-14
  • R21-11rel:R21-11#1095e01c2026-10-14
  • R22-11rel:R22-11#94a66b6c2026-10-14
  • R23-11rel:R23-11#49bb9caf2026-10-14
  • R24-11rel:R24-11#3a34547c2026-10-14
  • R25-11rel:R25-11#6b2827832026-10-14 active
DateActorTransitionReason / RationaleCampaign
2026-08-13toolnone → valid/unmigratedmechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record2026-08-13-status-backfill

función set_value [SWS_CORE_00346] Upstream: RS_AP_00130

void set_value (T &&value) noexcept(std::is_nothrow_move_ constructible< T >::value);

Move a value into the shared state and make the shared state ready.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitconditionally exception safe
Thread-Sicherheitthread-safe
Verletzungen (Violations)IsoStdFutureEr- If the shared state already has a stored value or error. rcPromiseAl- readySatisfiedVio- lation PromiseNoShared- If *this has no shared state. StateToSetViola- tion

Parameter (in)

ParameterBeschreibung
valuethe value to store

Rückgabewert

TypBeschreibung
None

Request a governed re-review of this record. The record is not changed immediately.

Record
AUTOSAR/AP/record/SWS_CORE_00346
Status
valid/unmigrated
Version
AUTOSAR/AP/record/SWS_CORE_00346@rel:R25-11#476b8e12
Content hash
476b8e12
Source
https://www.autosar.org/fileadmin/standards/R25-11/AP/AUTOSAR_AP_SWS_Core.pdf#nameddest=SWS_CORE_00346
Status: valid/unmigrated Version: rel:R25-11#56056ba3 Versionshistorie & Revisions (1 transition, 8 revision)
Current State
valid/unmigrated
Reason
mechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record
Campaign
2026-08-13-status-backfill
Active Version
AUTOSAR/AP/record/SWS_CORE_00346@rel:R25-11#56056ba3
Point-in-Time History:
Recorded Revisions (8):
  • R25-11rel:R25-11#8b29c2042026-09-30
  • R19-11rel:R19-11#d1c271cd2026-10-14
  • R20-11rel:R20-11#2c1231622026-10-14
  • R21-11rel:R21-11#2c1231622026-10-14
  • R22-11rel:R22-11#6be6444f2026-10-14
  • R23-11rel:R23-11#7f5cd43e2026-10-14
  • R24-11rel:R24-11#cc28bc5f2026-10-14
  • R25-11rel:R25-11#56056ba32026-10-14 active
DateActorTransitionReason / RationaleCampaign
2026-08-13toolnone → valid/unmigratedmechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record2026-08-13-status-backfill

función swap [SWS_CORE_00352] Upstream: RS_AP_00130

void swap (Promise &other) noexcept;

Swap the contents of this instance with another one’s. This function shall behave the same as the corresponding std::promise function.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitexception safe
Thread-Sicherheitnot thread-safe

Parameter (in/out)

ParameterBeschreibung
otherthe other instance

Rückgabewert

TypBeschreibung
None

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Record
AUTOSAR/AP/record/SWS_CORE_00352
Status
valid/unmigrated
Version
AUTOSAR/AP/record/SWS_CORE_00352@rel:R25-11#017a86a3
Content hash
017a86a3
Source
https://www.autosar.org/fileadmin/standards/R25-11/AP/AUTOSAR_AP_SWS_Core.pdf#nameddest=SWS_CORE_00352
Status: valid/unmigrated Version: rel:R25-11#34c2a151 Versionshistorie & Revisions (1 transition, 8 revision)
Current State
valid/unmigrated
Reason
mechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record
Campaign
2026-08-13-status-backfill
Active Version
AUTOSAR/AP/record/SWS_CORE_00352@rel:R25-11#34c2a151
Point-in-Time History:
Recorded Revisions (8):
  • R25-11rel:R25-11#f15184862026-09-30
  • R19-11rel:R19-11#04fbb8542026-10-14
  • R20-11rel:R20-11#b552e9282026-10-14
  • R21-11rel:R21-11#b552e9282026-10-14
  • R22-11rel:R22-11#1e062be72026-10-14
  • R23-11rel:R23-11#9c97ab662026-10-14
  • R24-11rel:R24-11#4aff210a2026-10-14
  • R25-11rel:R25-11#34c2a1512026-10-14 active
DateActorTransitionReason / RationaleCampaign
2026-08-13toolnone → valid/unmigratedmechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record2026-08-13-status-backfill

función ~Promise [SWS_CORE_00349] Upstream: RS_AP_00130

~Promise () noexcept;

Destructor for Promise objects Abandons any shared state.

Header-Datei#include "ara/core/future.h"
Scopeclass ara::core::Promise
Exception-Sicherheitexception safe
Thread-Sicherheitnot thread-safe

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Record
AUTOSAR/AP/record/SWS_CORE_00349
Status
valid/unmigrated
Version
AUTOSAR/AP/record/SWS_CORE_00349@rel:R25-11#cb226779
Content hash
cb226779
Source
https://www.autosar.org/fileadmin/standards/R25-11/AP/AUTOSAR_AP_SWS_Core.pdf#nameddest=SWS_CORE_00349
Status: valid/unmigrated Version: rel:R25-11#d3ab1bdc Versionshistorie & Revisions (1 transition, 8 revision)
Current State
valid/unmigrated
Reason
mechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record
Campaign
2026-08-13-status-backfill
Active Version
AUTOSAR/AP/record/SWS_CORE_00349@rel:R25-11#d3ab1bdc
Point-in-Time History:
Recorded Revisions (8):
  • R25-11rel:R25-11#170408342026-09-30
  • R19-11rel:R19-11#d48e92272026-10-14
  • R20-11rel:R20-11#f8e702f92026-10-14
  • R21-11rel:R21-11#536b31e32026-10-14
  • R22-11rel:R22-11#0e8726472026-10-14
  • R23-11rel:R23-11#9b91cb7e2026-10-14
  • R24-11rel:R24-11#cea546db2026-10-14
  • R25-11rel:R25-11#d3ab1bdc2026-10-14 active
DateActorTransitionReason / RationaleCampaign
2026-08-13toolnone → valid/unmigratedmechanically backfilled by migriere_status_backfill.py -- no per-field curation history exists yet for this record2026-08-13-status-backfill