cache

Documentation

Index

• Constants
• Variables
• func CheckError(err error)
• func Forget(key string) bool
• func Has(key string) bool
• func Init(adapterName string, opt map[string]interface{})
• type ByteArrayCall
• type Cache
• type DataResult
  • func Get(key string) (DataResult, error)
  • func Remember(key string, value interface{}, ttl time.Duration) DataResult
• type LRU
  • func NewLRUCache(capacity uint64) LRU
• type LRUImpl
  • func (lru *LRUImpl) Clear()
  • func (lru *LRUImpl) Delete(key string) bool
  • func (lru *LRUImpl) Get(key string) (v Value, ok bool)
  • func (lru *LRUImpl) Set(key string, value Value)
• type Map
• type MapCall
• type MapSlice
• type MapSliceCall
• type StringCall
• type Value

Constants

const (
	TypeString = iota + 1
	TypeByteArray
	TypeMap
	TypeMapSlice
)

const KB = 1 << 10

const MB = 1 << 20

Variables

var LRUCache = NewLRUCache(10 * MB)

var Uninitialized = errors.New("缓存未初始化")

缓存未初始化

Functions

func CheckError

func CheckError(err error)

func Forget

func Forget(key string) bool

Forget 删除缓存

func Has

func Has(key string) bool

Has 判断缓存是否存在

func Init

func Init(adapterName string, opt map[string]interface{})

Init 初始化设置 在框架初始化时调用 adapterName 适配器名称 ext 选项

Types

type ByteArrayCall

type ByteArrayCall func() []byte

type Cache

type Cache interface {
	Remember(key string, value interface{}, ttl time.Duration) DataResult
	Get(key string) (DataResult, error)
	Has(key string) bool
	Forget(key string) bool
}

type DataResult

type DataResult interface {
	GetType() int32
	ToString() (string, error)
	ToByteArray() ([]byte, error)
	ToMap() (Map, error)
	ToMapSlice() (MapSlice, error)
}

func Get

func Get(key string) (DataResult, error)

Get 获取缓存

func Remember

func Remember(key string, value interface{}, ttl time.Duration) DataResult

Remember 设置缓存

type LRU

type LRU interface {
	Get(key string) (v Value, ok bool)
	Set(key string, value Value)
	Delete(key string) bool
	Clear()
}

func NewLRUCache

func NewLRUCache(capacity uint64) LRU

构造函数

type LRUImpl

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

定义LRU缓存结构体

func (*LRUImpl) Clear

func (lru *LRUImpl) Clear()

清空缓存

func (*LRUImpl) Delete

func (lru *LRUImpl) Delete(key string) bool

删除缓存

func (*LRUImpl) Get

func (lru *LRUImpl) Get(key string) (v Value, ok bool)

获取缓存

func (*LRUImpl) Set

func (lru *LRUImpl) Set(key string, value Value)

设置缓存

type Map

type Map map[string]interface{}

type MapCall

type MapCall func() Map

type MapSlice

type MapSlice []map[string]interface{}

type MapSliceCall

type MapSliceCall func() MapSlice

type StringCall

type StringCall func() string

type Value

type Value []byte

定义Value类型为byte数组