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v0.2.0 Latest Latest Go to latest Published: Nov 29, 2022 License: MIT Imports: 7 Imported by: 0

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const CachePrefix = "cache/"

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const RefPrefix = "ref/"

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This section is empty.

type CacheSet struct {
	// contains filtered or unexported fields
}

func NewCacheSet(db *uleveldb.ULevelDB) *CacheSet

func (s *CacheSet) Add(key string) error

func (s *CacheSet) AllKeysChan(ctx context.Context) (<-chan string, error)

func (s *CacheSet) Has(key string) (bool, error)

func (s *CacheSet) Remove(key string) error

type RefCounter struct {
	// contains filtered or unexported fields
}

func NewRefCounter(db *uleveldb.ULevelDB, cacheSet *CacheSet) *RefCounter

func (rc *RefCounter) AllKeysChan(ctx context.Context, count int64) (<-chan string, error)

AllKeysChan query keys which reference count value equals count param

func (rc *RefCounter) Decr(key string) error

func (rc *RefCounter) Get(key string) (int64, error)

func (rc *RefCounter) Has(key string) (bool, error)

func (rc *RefCounter) Incr(key string) error

func (rc *RefCounter) IncrOrCreate(key string, createFunc func() error) error

func (rc *RefCounter) Remove(key string, force bool) error

Remove remove zero reference counter