Unique identifier for a lock. More...

#include <study_lock_manager.h>

Collaboration diagram for kcenon::pacs::workflow::lock_token:

Public Member Functions
auto	is_valid () const -> bool
	Check if the token is valid (not expired)

auto	is_expired () const -> bool
	Check if the token has expired.

auto	remaining_time () const -> std::optional< std::chrono::milliseconds >
	Get remaining time until expiration.

Public Attributes
std::string	token_id
	Unique token ID.

std::string	study_uid
	Study UID that is locked.

lock_type	type {lock_type::exclusive}
	Type of lock held.

std::chrono::system_clock::time_point	acquired_at
	When the lock was acquired.

std::optional< std::chrono::system_clock::time_point >	expires_at
	When the lock expires (if timeout set)

Detailed Description

Unique identifier for a lock.

Definition at line 85 of file study_lock_manager.h.

Member Function Documentation

◆ is_expired()

auto kcenon::pacs::workflow::lock_token::is_expired ( ) const -> bool

inlinenodiscard

Check if the token has expired.

Examples: /home/runner/work/pacs_system/pacs_system/include/kcenon/pacs/workflow/study_lock_manager.h.

Definition at line 112 of file study_lock_manager.h.

                                                  {
        return !is_valid();
    }

References is_valid().

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◆ is_valid()

auto kcenon::pacs::workflow::lock_token::is_valid ( ) const -> bool

inlinenodiscard

Check if the token is valid (not expired)

Examples: /home/runner/work/pacs_system/pacs_system/include/kcenon/pacs/workflow/study_lock_manager.h.

Definition at line 104 of file study_lock_manager.h.

                                                {
        if (!expires_at) return true;
        return std::chrono::system_clock::now() < *expires_at;
    }

References expires_at.

Referenced by is_expired().

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◆ remaining_time()

auto kcenon::pacs::workflow::lock_token::remaining_time ( ) const -> std::optional<std::chrono::milliseconds>

inlinenodiscard

Get remaining time until expiration.

Examples: /home/runner/work/pacs_system/pacs_system/include/kcenon/pacs/workflow/study_lock_manager.h.

Definition at line 119 of file study_lock_manager.h.

                                              {
        if (!expires_at) return std::nullopt;
        auto now = std::chrono::system_clock::now();
        if (now >= *expires_at) return std::chrono::milliseconds{0};
        return std::chrono::duration_cast<std::chrono::milliseconds>(
            *expires_at - now);
    }