// NewWithEvict constructs a fixed size cache with the given eviction
// callback.
func NewWithEvict(size int, onEvicted func(key interface{}, value interface{})) (*Cache, error) {
lru, err := simplelru.NewLRU(size, simplelru.EvictCallback(onEvicted))
if err != nil {
return nil, err
}
c := &Cache{
lru: lru,
}
return c, nil
}
// NewCache creates a new cache
func NewCache(name string, maxEntries int, maxSizeMB int, maxAge time.Duration) *Cache {
c := &Cache{
name: name,
maxAge: maxAge,
maxSizeBytes: maxSizeMB * 1024 * 1024,
}
var err error
c.lruBackend, err = simplelru.NewLRU(maxEntries, simplelru.EvictCallback(c.onEvicted))
if err != nil {
panic(err)
}
return c
}