cache

type Description struct {
	Name       string `json:"name"`
	Size       string `json:"size"`
	MD5        string `json:"md5"`
	ChangeTime int64  `json:"change_time"`
}

type File interface {
	Name() string
	MD5() string
	AbsPath() string
	Dir() string
	SaveTo(string) error
	Equal(File) bool
	Size() int64
}

type Manager interface {
	Search(Description) (File, error)
	Store(File) error
}

type ManagerConfig struct {
	CacheDir     string `json:"cache_dir"`
	PoolSize     int    `json:"pool_size"`
	CacheMinSize int64  `json:"cache_min_size"`
}