// ApplySnapshot overwrites the contents of this Storage object with
// those of the given snapshot.
func (fs *FragmentStorage) ApplySnapshot(snap pb.Snapshot) error {
fs.Lock()
defer fs.Unlock()
data, err := snap.Marshal()
if err != nil {
return err
}
fs.fsnapshot.Seek(0, 0)
_, err = fmt.Fprintln(fs.fsnapshot, data)
if err != nil {
return err
}
entries := []pb.Entry{{Term: snap.Metadata.Term, Index: snap.Metadata.Index}}
return fs.Append(entries)
}
