cache

Documentation

Index

• Variables
• type Description
• type File
  • func NewFile(path string) (File, error)
• type Manager
  • func NewManager(c ManagerConfig) (Manager, error)
• type ManagerConfig

Variables

var (
	ErrCacheNoFound    = fmt.Errorf("cache no found")
	ErrFileNoNeedStore = fmt.Errorf("file no need store")
)

Types

type Description

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

Description describe the file cache request it is as the file cache KEY

type File

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

File describe the cache file instance

func NewFile

func NewFile(path string) (File, error)

NewFile get a new File instance

type Manager

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

Manager describe the manager of file cache

func NewManager

func NewManager(c ManagerConfig) (Manager, error)

NewManager get a new file cache manager

type ManagerConfig

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

ManagerConfig describe the file cache manager config