Hi Luis,
this is a simple example, I create two Vertex and one Edge
OrientGraph g=new OrientGraph(path);
// create class Person
OClass cl=g.createVertexType("Person", "V");
cl.createProperty("name", OType.STRING);
cl.createProperty("surname", OType.STRING);
// create edge Friend
cl=g.createEdgeType("Friend", "E");
// create Person p1
OrientVertex p1=g.addVertex("class:Person");
p1.setProperties("name","Alessandro");
p1.setProperties("surname","Rota");
// create Person p2
OrientVertex p2=g.addVertex("class:Person");
p2.setProperties("name","Federico");
p2.setProperties("surname","Rota");
// create edge
p1.addEdge("Friend", p2);
g.commit();
Bye, Alessandro
Il giorno martedì 26 maggio 2015 23:18:49 UTC+2, Luis A. Burgos ha scritto:
>
> Hello guys,
>
> We are currently considering replacing our MySQL backend with a graph
> database. The application is huge, and very complex, so we are starting
> with a POC. OrientDb is a good candidate, however, I'm having problems
> locating meaningful reliable information about how to use OrientDB with
> Java. I understand that mixing OODatabase with Graph is not a good idea and
> that Graph alone mode provides the best bang for the buck, however, mapping
> java classes to vertices and edges is no fun, especially when you have
> hundreds of java classes already written. I've read about TinkerPop,
> Blueprints and Frames, but can't seem to find a good example to get me
> started.
>
> Can anybody point me in the right direction? Something as simple as
> creating a Person class in Java and persisting it int OrientDB using a
> Vertex, then creating a second person, then creating an edge, etc? then
> retrieving it, etc?
>
> Any help would be greatly appreciated.
>
> Thanks,
>
> Luis
>
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