kcenon::pacs::web::thumbnail_service::cache_key_hash Struct Reference

Hash function for cache key. More...

Collaboration diagram for kcenon::pacs::web::thumbnail_service::cache_key_hash:

Public Member Functions
size_t	operator() (const cache_key &k) const

Detailed Description

Hash function for cache key.

Definition at line 233 of file thumbnail_service.h.

Member Function Documentation

operator()()

size_t kcenon::pacs::web::thumbnail_service::cache_key_hash::operator() ( const cache_key & k ) const

inline

Definition at line 234 of file thumbnail_service.h.

                                                    {
            size_t h = std::hash<std::string>{}(k.uid);
            h ^= std::hash<uint16_t>{}(k.size) << 1;
            h ^= std::hash<std::string>{}(k.format) << 2;
            h ^= std::hash<int>{}(k.quality) << 3;
            h ^= std::hash<uint32_t>{}(k.frame) << 4;
            return h;
        }

References kcenon::pacs::web::thumbnail_service::cache_key::format, kcenon::pacs::web::thumbnail_service::cache_key::frame, kcenon::pacs::web::thumbnail_service::cache_key::quality, kcenon::pacs::web::thumbnail_service::cache_key::size, and kcenon::pacs::web::thumbnail_service::cache_key::uid.

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

• include/kcenon/pacs/web/thumbnail_service.h