redis

Documentation

Index

• Variables
• type RedisCache
  • func NewRedisCache(serverURL string) *RedisCache
  • func (ca *RedisCache) ClearAll() error
  • func (ca *RedisCache) Decr(key string) (int64, error)
  • func (ca *RedisCache) Delete(key string) error
  • func (ca *RedisCache) Exists(key string) (bool, error)
  • func (ca *RedisCache) Get(key string) (interface{}, error)
  • func (ca *RedisCache) GetInt(key string) (int, error)
  • func (ca *RedisCache) GetInt64(key string) (int64, error)
  • func (ca *RedisCache) GetString(key string) (string, error)
  • func (ca *RedisCache) Incr(key string) (int64, error)
  • func (ca *RedisCache) Set(key string, value interface{}, ttl int64) error

Variables

var (
	ZeroInt64 int64 = 0
)

Types

type RedisCache

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

RedisCache is redis cache adapter. it contains serverIp for redis conn.

func NewRedisCache

func NewRedisCache(serverURL string) *RedisCache

NewRedisCache returns a new *RedisCache.

func (*RedisCache) ClearAll

func (ca *RedisCache) ClearAll() error

ClearAll will delete all item in redis cache. never error

func (*RedisCache) Decr

func (ca *RedisCache) Decr(key string) (int64, error)

Decr decrease counter in redis cache.

func (*RedisCache) Delete

func (ca *RedisCache) Delete(key string) error

Delete item in redis cacha. if not exists, we think it's success

func (*RedisCache) Exists

func (ca *RedisCache) Exists(key string) (bool, error)

Exists check item exist in redis cache.

func (*RedisCache) Get

func (ca *RedisCache) Get(key string) (interface{}, error)

Get cache from redis cache. if non-existed or expired, return nil.

func (*RedisCache) GetInt

func (ca *RedisCache) GetInt(key string) (int, error)

returns value int format by given key

if non-existed or expired, return nil.

func (*RedisCache) GetInt64

func (ca *RedisCache) GetInt64(key string) (int64, error)

returns value int64 format by given key

if non-existed or expired, return nil.

func (*RedisCache) GetString

func (ca *RedisCache) GetString(key string) (string, error)

returns value string format by given key

if non-existed or expired, return "".

func (*RedisCache) Incr

func (ca *RedisCache) Incr(key string) (int64, error)

Incr increase int64 counter in redis cache.

func (*RedisCache) Set

func (ca *RedisCache) Set(key string, value interface{}, ttl int64) error

Set cache to redis. ttl is second, if ttl is 0, it will be forever.