Method Keys

zutils/shard_lock_map.go:394–419

Keys returns all keys as []string

()

// Keys returns all keys as []string
func (slm ShardLockMaps) Keys() []string {
	count := slm.Count()
	ch := make(chan string, count)
	go func() {
		wg := sync.WaitGroup{}
		wg.Add(slm.shardCount)
		for _, shard := range slm.shards {
			go func(shard *SingleShardMap) {
				shard.RLock()
				for key := range shard.items {
					ch <- key
				}
				shard.RUnlock()
				wg.Done()
			}(shard)
		}
		wg.Wait()
		close(ch)
	}()

	keys := make([]string, 0, count)
	for k := range ch {
		keys = append(keys, k)
	}
	return keys
}

// IterCb Iterator callback,called for every key,value found in maps.
// RLock is held for all calls for a given shard