folly::gen::detail::Window Class Reference

#include <Base-inl.h>

Inheritance diagram for folly::gen::detail::Window:

Classes
class	Generator

Public Member Functions
	Window (size_t windowSize)
template<class Source , class Value , class Gen = Generator<Value, Source>>
Gen	compose (GenImpl< Value, Source > &&source) const
template<class Source , class Value , class Gen = Generator<Value, Source>>
Gen	compose (const GenImpl< Value, Source > &source) const
Public Member Functions inherited from folly::gen::Operator< Window >
ResultGen	compose (const GenImpl< Value, Source > &source) const
Public Member Functions inherited from folly::gen::FBounded< Self >
const Self &	self () const
Self &	self ()

Private Attributes
size_t	windowSize_

Additional Inherited Members
Protected Member Functions inherited from folly::gen::Operator< Window >
	Operator ()=default
	Operator (Operator &&) noexcept=default
	Operator (const Operator &)=default
Operator &	operator= (Operator &&) noexcept=default
Operator &	operator= (const Operator &)=default

Detailed Description

Window - For overlapping the lifetimes of pipeline values, especially with Futures.

This type is usually used through the 'window' helper function:

auto responses = byLine(STDIN) | map(makeRequestFuture) | window(1000) | map(waitFuture) | as<vector>();

Definition at line 1518 of file Base-inl.h.

Constructor & Destructor Documentation

folly::gen::detail::Window::Window ( size_t  windowSize )

inlineexplicit

Definition at line 1522 of file Base-inl.h.

References type, and testing::Value().

                                     : windowSize_(windowSize) {
    if (windowSize_ == 0) {
      throw std::invalid_argument("Window size must be non-zero!");
    }
  }

Member Function Documentation

template<class Source , class Value , class Gen = Generator<Value, Source>>

Gen folly::gen::detail::Window::compose ( GenImpl< Value, Source > &&  source ) const

inline

Definition at line 1592 of file Base-inl.h.

References folly::gen::move.

                                                     {
    return Gen(std::move(source.self()), windowSize_);
  }

template<class Source , class Value , class Gen = Generator<Value, Source>>

Gen folly::gen::detail::Window::compose ( const GenImpl< Value, Source > &  source ) const

inline

Definition at line 1597 of file Base-inl.h.

References folly::gen::FBounded< Self >::self().

                                                          {
    return Gen(source.self(), windowSize_);
  }

Member Data Documentation

size_t folly::gen::detail::Window::windowSize_

private

Definition at line 1519 of file Base-inl.h.

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

• proxygen/folly/folly/gen/Base-inl.h