folly::settings::detail::SnapshotSettingWrapper< T > Class Template Reference

#include <Settings.h>

Public Member Functions
const T &	operator* () const
const T *	operator-> () const
void	set (const T &t, StringPiece reason="api")

Private Member Functions
	SnapshotSettingWrapper (Snapshot &snapshot, SettingCore< T > &core)

Private Attributes
Snapshot &	snapshot_
SettingCore< T > &	core_

Friends
class	folly::settings::Snapshot

Detailed Description

template<class T>
class folly::settings::detail::SnapshotSettingWrapper< T >

Like SettingWrapper, but checks against any values saved/updated in a snapshot.

Definition at line 208 of file Settings.h.

Constructor & Destructor Documentation

template<class T >

folly::settings::detail::SnapshotSettingWrapper< T >::SnapshotSettingWrapper ( Snapshot &  snapshot, SettingCore< T > &  core  )

inlineprivate

Definition at line 233 of file Settings.h.

      : snapshot_(snapshot), core_(core) {}

Member Function Documentation

template<class T >

const T & folly::settings::detail::SnapshotSettingWrapper< T >::operator* ( ) const

inline

The references are only valid for the duration of the snapshot's lifetime or until the setting has been updated in the snapshot, whichever happens earlier.

Definition at line 333 of file Settings.h.

References folly::settings::detail::SettingWrapper< T, TrivialPtr >::core_.

                                                           {
  return snapshot_.get(core_).value;
}

template<class T >

const T* folly::settings::detail::SnapshotSettingWrapper< T >::operator-> ( ) const

inline

Definition at line 216 of file Settings.h.

References folly::settings::detail::SettingWrapper< T, TrivialPtr >::operator*().

                              {
    return &operator*();
  }

template<class T >

void folly::settings::detail::SnapshotSettingWrapper< T >::set ( const T &  t, StringPiece  reason = "api"  )

inline

Update the setting in the snapshot, the effects are not visible in this snapshot.

Definition at line 224 of file Settings.h.

References folly::settings::detail::SettingWrapper< T, TrivialPtr >::core_.

                                                   {
    core_.set(t, reason, &snapshot_);
  }

Friends And Related Function Documentation

template<class T >

friend class folly::settings::Snapshot

friend

Definition at line 231 of file Settings.h.

Member Data Documentation

template<class T >

SettingCore<T>& folly::settings::detail::SnapshotSettingWrapper< T >::core_

private

Definition at line 230 of file Settings.h.

template<class T >

Snapshot& folly::settings::detail::SnapshotSettingWrapper< T >::snapshot_

private

Definition at line 229 of file Settings.h.

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

• proxygen/folly/folly/experimental/settings/Settings.h