gomate

type DB interface {
	Zadd(key string, pairs ...ScorePair) error
	Zrem(key string, members ...string) error
	Zrange(key string, start int, stop int) ([]ScorePair, error)
	Zinterstore(destKey string, srcKeys []string, aggregate byte) (int64, error)
	Zclear(key string) (int64, error)
	Zkeyexists(key string) (bool, error)
	Zexpire(key string, duration int64) (int64, error)
	Sadd(key string, member ...string) (int64, error)
	Smembers(key string) ([]string, error)
	Sclear(key string) (int64, error)
	Hset(key, field, value string) (int64, error)
	Hmget(key string, fields ...string) ([]string, error)
	Hclear(key string) (int64, error)
}

type Indexer interface {
	Index(id string, doc string) error
	Remove(ids ...string) error
	Clear() error
}

type ScorePair struct {
	Score  int64
	Member string
}

type Searcher interface {
	Search(query string, min int, max int) ([]string, error)
}