tagcache/tag_cache.go at master · weisd/tagcache · GitHub

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package tagcache

type TagCache struct {
	store  CacheStore
	tagSet *TagSet
}

var _ Cache = new(TagCache)

func NewTagCache(store CacheStore, names ...string) Cache {
	return &TagCache{store: store, tagSet: NewTagSet(store, names)}
}

func (this *TagCache) TaggedItemKey(key string) string {
	return EncodeMD5(this.tagSet.GetNamespace() + ":" + key)
}

func (this *TagCache) Set(key, value string, expire int64) error {
	return this.store.Set(this.TaggedItemKey(key), value, expire)
}

// func (this *TagCache) MSet(items map[string]string, expire int64) error {
// 	m := map[string]string{}
// 	for k, _ := range items {
// 		m[this.TaggedItemKey(k)] = items[k]
// 	}
// 	return this.store.MSet(m, expire)
// }

func (this *TagCache) Get(key string) string {
	return this.store.Get(this.TaggedItemKey(key))
}

// func (this *TagCache) MGet(keys []string) []string {
// 	for i, _ := range keys {
// 		keys[i] = this.TaggedItemKey(keys[i])
// 	}
// 	return this.store.MGet(keys)
// }

// 更新过期时间
func (this *TagCache) Touch(key string, expire int64) error {
	return this.store.Touch(this.TaggedItemKey(key), expire)
}

func (this *TagCache) Incr(key string) (int64, error) {
	return this.store.Incr(this.TaggedItemKey(key))
}

func (this *TagCache) Decr(key string) (int64, error) {
	return this.store.Decr(this.TaggedItemKey(key))
}

func (this *TagCache) Delete(key string) error {
	return this.store.Delete(this.TaggedItemKey(key))
}

func (this *TagCache) Flush() error {
	return this.tagSet.Reset()
}

// add Tags
func (this *TagCache) Tags(tags []string) Cache {
	this.tagSet.AddNames(tags)
	return this
}

func (this *TagCache) StartAndGC(opt Options) error {
	return this.store.StartAndGC(opt)
}

func (this *TagCache) Info() string {
	return this.store.Info()
}