I think that I am confusing the Object DB API with the Graph DB API. Is it possible to mix the power of the POJO binding of the Object API with the Graph DB API? How to bind vertex and edges to my POJO?
Thank you for any help you can provide Le jeudi 17 avril 2014 12:32:29 UTC+2, Leny Turmel a écrit : > > hi all, > > Reading the wiki about learning how to save, update my Java object to my > OrientDB graph (1.7-SNAPSHOT), I am a little bit disappointed... > > Let say I have two Java classes "Person" (with name, address, ...) and > "Knows" (with some string attributes). > I would like to have a graph where Person objects are vertex and Knows > objects are edges: > Vertex <- Edge -> Vertex > Person::toto <- Knows::knowTotoTiti -> Person::titi > > Reading > wiki/Object-Database<https://github.com/orientechnologies/orientdb/wiki/Object-Database>, > > I can understand that I can add an object to the DB as following: > >> OObjectDatabase db = new >> OObjectDatabaseTx("remote:localhost/petshop").open("admin", "admin"); >> db.getEntityManager().registerEntityClass(Person.class); >> Person person = db.newInstance(Person.class); >> person.setName( "Antoni" ); >> person.setSurname( "Gaudi" ); >> db.save( person ); > > 1°) > Here is my first questions: how to access to the EntityManager or the > OObjectDatabase when I use OrientGraphFactory to access to my DB? > > OrientGraphFactory factory = new OrientGraphFactory(DB_PATH); >> ODatabaseDocumentTx database = factory.getDatabase(); //PB: does not >> provide with an entity manager >> OrientGraph graph = factory.getTx(); > > > 2°) > How to specify that Person objects are vertex and Knows objects are edges? > Do I need to create a full schema that correponds to my Person and Knows > classes as mentionned on > wiki/Graph-Schema<https://github.com/orientechnologies/orientdb/wiki/Graph-Schema> > ? > > OObjectDatabase db = new >> OObjectDatabaseTx("remote:localhost/petshop").open("admin", "admin"); >> OrientGraph graph = new OrientGraph("local:/temp/db"); >> OrientVertexType personV = graph.createVertexType("Person"); >> personV.createProperty("name", OType.STRING); >> personV.createProperty("birthDate", OType.DATE); > > > Could you please help me to understand how to manage custom classes with > OrientDB graph? > Does anyone have a full sample about adding custom vertex and edges in a > graph with the Java API? > > Thank you > -- --- You received this message because you are subscribed to the Google Groups "OrientDB" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
