Ejemplo n.º 1
0
func putBatchElements(batch storage.Batch, tk storage.TKey, elems interface{}) error {
	val, err := json.Marshal(elems)
	if err != nil {
		return err
	}
	batch.Put(tk, val)
	return nil
}
Ejemplo n.º 2
0
// Given a stored label, make sure our max label tracking is updated.
func (d *Data) casMaxLabel(batch storage.Batch, v dvid.VersionID, label uint64) {
	d.ml_mu.Lock()
	defer d.ml_mu.Unlock()

	save := false
	maxLabel, found := d.MaxLabel[v]
	if !found {
		dvid.Errorf("Bad max label of version %d -- none found!\n", v)
		maxLabel = 0
	}
	if maxLabel < label {
		maxLabel = label
		save = true
	}
	if save {
		buf := make([]byte, 8)
		binary.LittleEndian.PutUint64(buf, maxLabel)
		batch.Put(maxLabelTKey, buf)
		d.MaxLabel[v] = maxLabel

		if d.MaxRepoLabel < maxLabel {
			d.MaxRepoLabel = maxLabel
			ctx := storage.NewDataContext(d, 0)
			store, err := storage.SmallDataStore()
			if err != nil {
				dvid.Errorf("Data type labelvol had error initializing store: %v\n", err)
			} else {
				store.Put(ctx, maxRepoLabelTKey, buf)
			}
		}
	}
	if err := batch.Commit(); err != nil {
		dvid.Errorf("batch put: %v\n", err)
		return
	}
}