memcache.go

package appwrap

import "time"

type Memcache interface {
	Add(item *CacheItem) error
	AddMulti(item []*CacheItem) error
	CompareAndSwap(item *CacheItem) error
	Delete(key string) error
	DeleteMulti(keys []string) error
	Flush() error
	FlushShard(shard int) error
	Get(key string) (*CacheItem, error)
	GetMulti(keys []string) (map[string]*CacheItem, error)
	Increment(key string, amount int64, initialValue uint64, initialExpires time.Duration) (uint64, error)
	IncrementExisting(key string, amount int64) (uint64, error)
	Namespace(ns string) Memcache
	Set(item *CacheItem) error
	SetMulti(item []*CacheItem) error
}

type CacheLocation string
type CacheName string
type CacheShards int64

type CacheItem struct {
	Key        string
	Value      []byte
	casTime    interface{} // used by localmemcache for CAS
	Flags      uint32
	Expiration time.Duration
	// Used for CompareAndSwap, invisible to client
	valueOnLastGet []byte
}