@Override
public void deleteByRelation(INode node) {
// delete source reference pointing to relation node
OSQLSynchQuery<ODocument> query =
new OSQLSynchQuery<>(
"select * from Relation where relationLink.in = "
+ node.getId()
+ " OR relationLink.out = "
+ node.getId());
List<ODocument> result = db.command(query).execute();
// remove relation and link
for (ODocument document : result) {
ODocument relationLink = getRelationLink(document, true);
if (relationLink != null && db.load(relationLink.getIdentity()) != null)
relationLink.delete();
document.delete();
}
}
@Override
public List<IRelation> findByRelation(INode node) {
List<IRelation> list = new LinkedList<>();
// no NPEs
if (node == null) return list;
initDb();
// execute query
OSQLSynchQuery<ODocument> query =
new OSQLSynchQuery<>(
"select * from Relation where relationLink.in = "
+ node.getId()
+ " OR relationLink.out = "
+ node.getId());
List<ODocument> result = db.command(query).execute();
// populate set
for (ODocument document : result) list.add(convertToEntity(document));
return list;
}