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An ORM / OGM for the Tinkerpop graph stack
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BrynCooke/totorom
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An ORM / OGM for the Tinkerpop graph stack.
Discussion athttps://groups.google.com/forum/#!forum/totorom
This project has been created as an alternative to the Tinkerpop Frames project.If you like Gremlin and you like Java then you will like this!
<dependency> <groupId>org.jglue.totorom</groupId> <artifactId>totorom-tinkerpop2</artifactId> <version>0.5.4</version></dependency>It's just a way to give typed context to your gremlin queries:
public class Person extends FramedVertex { public String getName() { return getProperty("name"); } public void setName(String name) { setProperty("name", name); //Properties are simple method calls } public List<Knows> getKnowsList() { return outE("knows").toList(Knows.class); //Gremlin natively supported } public List<Person> getFriendsOfFriends() { return out("knows").out("knows").except(this).toList(Person.class); //Gremlin natively supported } public Knows addKnows(Person friend) { return addEdge("knows", friend, Knows.class); //Elements are automatically unwrapped }}public class Knows extends FramedEdge { public void setYears(int years) { setProperty("years", years); } public int getYears() { return getProperty("years"); }}public class Programmer extends Person {}And here is how you interact with the framed elements:
public void testBasic() { Graph g = new TinkerGraph(); FramedGraph fg = new FramedGraph(g); Person p1 = fg.addVertex(Person.class); p1.setName("Bryn"); Person p2 = fg.addVertex(Person.class); p2.setName("Julia"); Knows knows = p1.addKnows(p2); knows.setYears(15); Person bryn = fg.V().has("name", "Bryn").next(Person.class); Assert.assertEquals("Bryn", bryn.getName()); Assert.assertEquals(15, bryn.getKnowsList().get(0).getYears()); }Using TypeResolver.Java will save the type of Java class the element was created with for use later:
public void testJavaTyping() { Graph g = new TinkerGraph(); FramedGraph fg = new FramedGraph(g, FrameFactory.Default, TypeResolver.Java);//Java type resolver //Also note FrameFactory.Default. Other options are CDI and Spring. Person p1 = fg.addVertex(Programmer.class); p1.setName("Bryn"); Person p2 = fg.addVertex(Person.class); p2.setName("Julia"); Person bryn = fg.V().has("name", "Bryn").next(Person.class); Person julia = fg.V().has("name", "Julia").next(Person.class); Assert.assertEquals(Programmer.class, bryn.getClass()); Assert.assertEquals(Person.class, julia.getClass());}This project uses code derived from theTinkerpop project under the apache licence and or tinkerpop licence.
Copyright 2014-Infinity Bryn Cooke
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