func (kp *KPartite) AddNode(nodeType string, value interface{}) (bson.ObjectId, os.Error) {
now := time.Nanoseconds()
nd := &NodeDoc{
ID: chooseID(),
Created: bson.Timestamp(now),
Modified: bson.Timestamp(now),
Value: value,
}
nt := kp.GetNodeType(nodeType)
if nt == nil {
return "", ErrArg
}
return nd.ID, nt.C.Insert(nd)
}
func (kp *KPartite) UpdateEdge(edgeType string, edgeID bson.ObjectId, value interface{}) os.Error {
et := kp.GetEdgeType(edgeType)
if et == nil {
return ErrArg
}
edge, err := kp.FindEdge(edgeType, bson.D{{"_id", edgeID}})
if err != nil {
return err
}
now := bson.Timestamp(time.Nanoseconds())
edge.Modified = now
edge.Value = value
return et.C.Update(bson.D{{"_id", edgeID}}, edge)
}
func (kp *KPartite) UpdateNode(nodeType string, nodeID bson.ObjectId, value interface{}) os.Error {
nt := kp.GetNodeType(nodeType)
if nt == nil {
return ErrType
}
node, err := kp.FindNode(nodeType, bson.D{{"_id", nodeID}})
if err != nil {
return err
}
now := bson.Timestamp(time.Nanoseconds())
node.Modified = now
node.Value = value
return nt.C.Update(bson.D{{"_id", nodeID}}, node)
}
func (kp *KPartite) AddEdge(edgeType string, from, to bson.ObjectId, value interface{}) (bson.ObjectId, os.Error) {
now := bson.Timestamp(time.Nanoseconds())
ed := &EdgeDoc{
ID: kp.makeEdgeID(from, to),
Created: now,
Modified: now,
From: from,
To: to,
Value: value,
}
et := kp.GetEdgeType(edgeType)
if et == nil {
return "", ErrArg
}
return ed.ID, et.C.Insert(ed)
}