Method Snapshot

agent/filefinder/delta.go:107–125

Snapshot returns a frozen read-only view of the index.

()

// Snapshot returns a frozen read-only view of the index.
func (idx *Index) Snapshot() *Snapshot {
	del := make(map[uint32]bool, len(idx.deleted))
	for id := range idx.deleted {
		del[id] = true
	}
	var p1Copy [256][]uint32
	for i, ids := range idx.byPrefix1 {
		if len(ids) > 0 {
			p1Copy[i] = ids[:len(ids):len(ids)]
		}
	}
	return &Snapshot{
		docs:      idx.docs[:len(idx.docs):len(idx.docs)],
		deleted:   del,
		byGram:    copyPostings(idx.byGram),
		byPrefix1: p1Copy,
		byPrefix2: copyPostings(idx.byPrefix2),
	}
}