[Solved] How do I add a linked document to a linked list using the Java API for OrientDB?

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create class Doc
create class ParentDoc 
create property ParentDoc.children LINKLIST


insert into Doc set name="doc1"                               #12:0
insert into Doc set name="doc2"                               #12:1
insert into ParentDoc set name="pd", children = [#12:0]       #13:0
update #13:0 add children = #12:1

For what I understood you want a piece of code that replaces the last four commands using Java Document API.

try (ODatabaseDocument db = new ODatabaseDocumentTx("remote:localhost/DB")) {
    db.open("admin", "admin");

    ODocument doc1 = new ODocument("Doc");
    doc1.field("name", "doc1");
    doc1.save();

    List<OIdentifiable> linklist = new ArrayList();
    linklist.add(doc1);

    ODocument parent = new ODocument("ParentDoc");
    parent.field("children", linklist, OType.LINKLIST);
    parent.save();

    // ...

    ODocument doc2 = new ODocument("Doc");
    doc2.field("name", "doc2");
    doc2.save();

    List children = parent.field("children");
    children.add(doc2);
    parent.field("children", children);
    parent.save();
}

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solved How do I add a linked document to a linked list using the Java API for OrientDB?