resource_blocker::User Class Reference

#include <resource_blocker.h>

Public Member Functions
	User ()
	By default, does not use any Resource. More...
	User (Resource &resource)
	Attempt to start using the given Resource. More...
	User (User &other)
	Use the same Resource that other uses, if any. More...
	User (User &&other) noexcept
	Take over the Resource that other uses, if any. More...
User &	operator= (User const &other)
	Release our own Resource, if any, and then start using the Resource that other uses, if any. More...
User &	operator= (User &&other) noexcept
	Release our own resource, if any, and then steal the Resource that other uses, if any, so that other will not use it any more. More...
	operator bool ()
	Return true if we hold the Resource in 'used' state. More...
bool	operator! ()
	Return false if we hold the Resource in 'used' state. More...
Resource::String_set	block_reasons ()
	Return the set of strings that explain the reasons why the resource was blocked. More...
void	end_use ()
	Stop holding the Resource in 'used' state, if we do. More...
	~User ()
	Stop holding the Resource in 'used' state, if we do. More...

Private Attributes
Resource *	m_resource {nullptr}
Resource::String_set	m_block_reasons

Constructor & Destructor Documentation

User() [1/4]

resource_blocker::User::User ( )

inline

By default, does not use any Resource.

User() [2/4]

resource_blocker::User::User ( Resource &  resource )

inlineexplicit

Attempt to start using the given Resource.

This may fail, so the caller must check if it succeeded or not, using operator bool or operator!.

User() [3/4]

resource_blocker::User::User ( User &  other )

inline

Use the same Resource that other uses, if any.

User() [4/4]

resource_blocker::User::User ( User &&  other )

inlinenoexcept

Take over the Resource that other uses, if any.

~User()

resource_blocker::User::~User ( )

inline

Stop holding the Resource in 'used' state, if we do.

Member Function Documentation

block_reasons()

Resource::String_set resource_blocker::User::block_reasons ( )

inline

Return the set of strings that explain the reasons why the resource was blocked.

end_use()

void resource_blocker::User::end_use ( )

inline

Stop holding the Resource in 'used' state, if we do.

operator bool()

resource_blocker::User::operator bool ( )

inlineexplicit

Return true if we hold the Resource in 'used' state.

operator!()

bool resource_blocker::User::operator! ( )

inline

Return false if we hold the Resource in 'used' state.

operator=() [1/2]

User & resource_blocker::User::operator= ( User &&  other )

inlinenoexcept

Release our own resource, if any, and then steal the Resource that other uses, if any, so that other will not use it any more.

operator=() [2/2]

User & resource_blocker::User::operator= ( User const &  other )

inline

Release our own Resource, if any, and then start using the Resource that other uses, if any.

Member Data Documentation

m_block_reasons

Resource::String_set resource_blocker::User::m_block_reasons

private

m_resource

Resource* resource_blocker::User::m_resource {nullptr}

private

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

• sql/resource_blocker.h