示例#1
0
func (t *BleveDestPartition) OpaqueSet(partition string, value []byte) error {
	t.m.Lock()

	t.lastOpaque = append(t.lastOpaque[0:0], value...)
	t.lastUUID = cbgt.ParseOpaqueToUUID(value)

	t.batch.SetInternal(t.partitionOpaque, t.lastOpaque)

	t.m.Unlock()
	return nil
}
示例#2
0
func (t *BleveDestPartition) OpaqueGet(partition string) ([]byte, uint64, error) {
	t.m.Lock()

	if t.lastOpaque == nil {
		// TODO: Need way to control memory alloc during GetInternal(),
		// perhaps with optional memory allocator func() parameter?
		value, err := t.bindex.GetInternal(t.partitionOpaque)
		if err != nil {
			t.m.Unlock()
			return nil, 0, err
		}
		t.lastOpaque = append([]byte(nil), value...) // Note: copies value.
		t.lastUUID = cbgt.ParseOpaqueToUUID(value)
	}

	if t.seqMax <= 0 {
		// TODO: Need way to control memory alloc during GetInternal(),
		// perhaps with optional memory allocator func() parameter?
		buf, err := t.bindex.GetInternal([]byte(t.partition))
		if err != nil {
			t.m.Unlock()
			return nil, 0, err
		}
		if len(buf) <= 0 {
			t.m.Unlock()
			return t.lastOpaque, 0, nil // No seqMax buf is a valid case.
		}
		if len(buf) != 8 {
			t.m.Unlock()
			return nil, 0, fmt.Errorf("bleve: unexpected size for seqMax bytes")
		}
		t.seqMax = binary.BigEndian.Uint64(buf[0:8])
		binary.BigEndian.PutUint64(t.seqMaxBuf, t.seqMax)
	}

	lastOpaque, seqMax := t.lastOpaque, t.seqMax

	t.m.Unlock()
	return lastOpaque, seqMax, nil
}