func (p *NodesCache) PutNode(node *element.Node) error {
if node.Tags == nil {
return nil
}
keyBuf := idToKeyBuf(node.Id)
data, err := binary.MarshalNode(node)
if err != nil {
return err
}
return p.db.Put(p.wo, keyBuf, data)
}
func (p *NodesCache) PutNodes(nodes []element.Node) (int, error) {
batch := levigo.NewWriteBatch()
defer batch.Close()
var n int
for _, node := range nodes {
if len(node.Tags) == 0 {
continue
}
keyBuf := idToKeyBuf(node.Id)
data, err := binary.MarshalNode(&node)
if err != nil {
return 0, err
}
batch.Put(keyBuf, data)
n += 1
}
return n, p.db.Write(p.wo, batch)
}