package inventory

import "time"

// SetLastSeen overrides a node's heartbeat timestamp.
//
// It exists for tests that run on a synthetic clock: Upsert and Touch stamp the
// wall clock, which is decades away from a fake timeline and would make every
// node look silent.
func (s *Store) SetLastSeen(id string, at time.Time) {
	s.mu.Lock()
	defer s.mu.Unlock()
	if n, ok := s.nodes[id]; ok {
		n.LastSeen = at
	}
}