utils::hedging::HedgedRequestFuture< RequestStrategy > Struct Template Reference

#include <userver/utils/hedged_request.hpp>

Detailed Description

template<typename RequestStrategy>
struct utils::hedging::HedgedRequestFuture< RequestStrategy >

Future of hedged request.

Definition at line 323 of file hedged_request.hpp.

Public Types
using	RequestType = typename RequestTraits<RequestStrategy>::RequestType
using	ReplyType = typename RequestTraits<RequestStrategy>::ReplyType

Public Member Functions
	HedgedRequestFuture (HedgedRequestFuture &&) noexcept=default
void	Wait ()
	Wait for the request finish or for a caller task cancellation.
std::optional< ReplyType >	Get ()
	Returns (or rethrows) the result of task invocation. After return from this method the task is not valid.
void	IgnoreResult ()
engine::AwaitableToken	GetAwaitableToken ()
	Satisfies engine::Awaitable, for use with engine::WaitAnyContext and friends.

Member Typedef Documentation

ReplyType

template<typename RequestStrategy>

using utils::hedging::HedgedRequestFuture< RequestStrategy >::ReplyType = typename RequestTraits<RequestStrategy>::ReplyType

Definition at line 325 of file hedged_request.hpp.

RequestType

template<typename RequestStrategy>

using utils::hedging::HedgedRequestFuture< RequestStrategy >::RequestType = typename RequestTraits<RequestStrategy>::RequestType

Definition at line 324 of file hedged_request.hpp.

Constructor & Destructor Documentation

~HedgedRequestFuture()

template<typename RequestStrategy>

utils::hedging::HedgedRequestFuture< RequestStrategy >::~HedgedRequestFuture ( )

inline

Definition at line 328 of file hedged_request.hpp.

Member Function Documentation

Get()

template<typename RequestStrategy>

std::optional< ReplyType > utils::hedging::HedgedRequestFuture< RequestStrategy >::Get ( )

inline

Returns (or rethrows) the result of task invocation. After return from this method the task is not valid.

Exceptions

WaitInterruptedException	when current_task::IsCancelRequested() and no TaskCancellationBlockers are present.
TaskCancelledException	if no result is available because the task was cancelled

Definition at line 334 of file hedged_request.hpp.

GetAwaitableToken()

template<typename RequestStrategy>

engine::AwaitableToken utils::hedging::HedgedRequestFuture< RequestStrategy >::GetAwaitableToken ( )

inline

Satisfies engine::Awaitable, for use with engine::WaitAnyContext and friends.

Definition at line 339 of file hedged_request.hpp.

IgnoreResult()

template<typename RequestStrategy>

void utils::hedging::HedgedRequestFuture< RequestStrategy >::IgnoreResult ( )

inline

Definition at line 336 of file hedged_request.hpp.

Wait()

template<typename RequestStrategy>

void utils::hedging::HedgedRequestFuture< RequestStrategy >::Wait ( )

inline

Wait for the request finish or for a caller task cancellation.

Definition at line 331 of file hedged_request.hpp.

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

• userver/utils/hedged_request.hpp