edge/pkg/storage/driver/cache/lfu/memory/memory.go

41 lines
763 B
Go

package memory
import (
"forge.cadoles.com/arcad/edge/pkg/storage/driver/cache/lfu"
"github.com/pkg/errors"
)
type Store[K comparable, V any] struct {
index *lfu.Map[K, V]
}
// Delete implements Store.
func (s *Store[K, V]) Delete(key K) error {
s.index.Delete(key)
return nil
}
// Get implements Store.
func (s *Store[K, V]) Get(key K) (V, error) {
value, exists := s.index.Get(key)
if !exists {
return *new(V), errors.WithStack(lfu.ErrNotFound)
}
return value, nil
}
// Set implements Store.
func (s *Store[K, V]) Set(key K, value V) error {
s.index.Set(key, value)
return nil
}
func NewStore[K comparable, V any]() *Store[K, V] {
return &Store[K, V]{
index: lfu.NewMap[K, V](),
}
}
var _ lfu.Store[string, int] = &Store[string, int]{}