folly::ShallowCopyRequestContextScopeGuard Struct Reference

#include <Request.h>

Public Member Functions
	ShallowCopyRequestContextScopeGuard ()
	ShallowCopyRequestContextScopeGuard (const RequestToken &val, std::unique_ptr< RequestData > data)
	ShallowCopyRequestContextScopeGuard (const std::string &val, std::unique_ptr< RequestData > data)
	~ShallowCopyRequestContextScopeGuard ()
	ShallowCopyRequestContextScopeGuard (const ShallowCopyRequestContextScopeGuard &)=delete
ShallowCopyRequestContextScopeGuard &	operator= (const ShallowCopyRequestContextScopeGuard &)=delete
	ShallowCopyRequestContextScopeGuard (ShallowCopyRequestContextScopeGuard &&)=delete
ShallowCopyRequestContextScopeGuard &	operator= (ShallowCopyRequestContextScopeGuard &&)=delete

Private Attributes
std::shared_ptr< RequestContext >	prev_

Detailed Description

This guard maintains all the RequestData pointers of the parent. This allows to overwrite a specific RequestData pointer for the scope's duration, without breaking others.

Only modified pointers will have their set/onset methods called

Definition at line 289 of file Request.h.

Constructor & Destructor Documentation

folly::ShallowCopyRequestContextScopeGuard::ShallowCopyRequestContextScopeGuard ( )

inline

Definition at line 290 of file Request.h.

      : prev_(RequestContext::setShallowCopyContext()) {}

folly::ShallowCopyRequestContextScopeGuard::ShallowCopyRequestContextScopeGuard ( const RequestToken &  val, std::unique_ptr< RequestData >  data  )

inline

Shallow copy then overwrite one specific RequestData

Helper constructor which is a more efficient equivalent to "clearRequestData" then "setRequestData" after the guard.

Definition at line 299 of file Request.h.

References folly::RequestContext::get(), folly::gen::move, and folly::RequestContext::overwriteContextData().

      : ShallowCopyRequestContextScopeGuard() {
    RequestContext::get()->overwriteContextData(val, std::move(data));
  }

folly::ShallowCopyRequestContextScopeGuard::ShallowCopyRequestContextScopeGuard ( const std::string &  val, std::unique_ptr< RequestData >  data  )

inline

Definition at line 305 of file Request.h.

References folly::RequestContext::get(), folly::gen::move, and folly::RequestContext::overwriteContextData().

      : ShallowCopyRequestContextScopeGuard() {
    RequestContext::get()->overwriteContextData(val, std::move(data));
  }

folly::ShallowCopyRequestContextScopeGuard::~ShallowCopyRequestContextScopeGuard ( )

inline

Definition at line 312 of file Request.h.

References folly::gen::move, and folly::RequestContext::setContext().

                                         {
    RequestContext::setContext(std::move(prev_));
  }

folly::ShallowCopyRequestContextScopeGuard::ShallowCopyRequestContextScopeGuard ( const ShallowCopyRequestContextScopeGuard &  )

delete

folly::ShallowCopyRequestContextScopeGuard::ShallowCopyRequestContextScopeGuard ( ShallowCopyRequestContextScopeGuard &&  )

delete

Member Function Documentation

ShallowCopyRequestContextScopeGuard& folly::ShallowCopyRequestContextScopeGuard::operator= ( const ShallowCopyRequestContextScopeGuard &  )

delete

ShallowCopyRequestContextScopeGuard& folly::ShallowCopyRequestContextScopeGuard::operator= ( ShallowCopyRequestContextScopeGuard &&  )

delete

Member Data Documentation

std::shared_ptr<RequestContext> folly::ShallowCopyRequestContextScopeGuard::prev_

private

Definition at line 326 of file Request.h.

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

• proxygen/folly/folly/io/async/Request.h