Later today I will push the changes to Git, including tests.
> Date: Tue, 16 Aug 2011 14:51:42 +0200 > From: [email protected] > To: [email protected] > Subject: Re: [Neo4j] Subtyping > > Very cool. Is there a test demonstrating it? > > /peter > > Sent from my phone. > On Aug 16, 2011 1:52 PM, "Niels Hoogeveen" <[email protected]> > wrote: > > > > Yesterday, I added subtyping to Enhanced API. > > > > Suppose an application has UserGroups, Users and Roles, where both > UserGroups and Users are Vertices and Roles are BinaryEdges. There can be > different predefined Roles, such as ADMINISTRATOR, EDITOR, MEMBER, GUEST. > > > > With subtyping it is possible to say that each of the types ADMINISTRATOR, > EDITOR, MEMBER, GUEST is a subtype of ROLE. > > > > We can now call the method user.getAllBinaryEdges(ROLE, > Direction.OUTGOING), and all roles of that user will be returned. It is also > possible to ask if a user has any role by calling > user.hasAnyBinaryEdge(ROLE, Direction.OUTGOING). > > > > The same applies for Properties. > > > > Suppose a user has the properties: UserName, FullName, NickName. > > > > With subtyping it is possible to say that each of the types UserName, > FullName, NickName is a subtype of Name. > > > > We can now call the method user.getAllProperties(Name) and all names of > that user will be returned. It is also possible to ask if a user has any > name by calling user.hasAnyProperty(Name). > > > > Niels > > _______________________________________________ > > Neo4j mailing list > > [email protected] > > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ > Neo4j mailing list > [email protected] > https://lists.neo4j.org/mailman/listinfo/user _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user
