Thanks Michael. I think this definitely would be an important layer to worth
including soon.
Meanwhile can you elaborate what you meant by transient index ?
I would like to keep a very simplified design for transient graphs and not
persist any nodes at all if possible.
On Sun, Jun 19, 2011 at 2:34 AM, Michael Hunger <
michael.hun...@neotechnology.com> wrote:
> Right now this works only with the getElements().add method.
>
> But then you don't get all the graph methods (traversals and such).
>
> We discussed some time ago writing a virtual graph layer on top of the real
> nodes and relationships for SDG.
> (That should be then used to have a simpler handling of attached/detached
> nodes and keeping back-references for cluster-persistance).
>
>
> But that hasn't happend yet and I'm not convinced it will make it in the
> 1.1. timeframe.
>
> Cheers
>
> Michael
>
> P.S. You can still persist your graph and remove the nodes later (either
> index them on a "transient" index or keep their node-id's somewhere).
>
>
> Am 18.06.2011 um 03:40 schrieb V:
>
> Any suggestions on this please ?
>
>
> On Fri, Jun 17, 2011 at 11:03 PM, V <vlin...@gmail.com> wrote:
>
>> I created a graph model with 2 classes Node and Element as follows:
>>
>> public class Node {
>>
>> @RelatedTo(type = "ELEMENT", elementClass = Element.class, direction =
>> OUTGOING)
>> private Set<Element> Element;
>>
>>
>> public void addElement(Element e) {
>> relateTo(e, Relationships.ELEMENT.toString());
>> }
>>
>> }
>>
>> public class Element{
>>
>> public String name;
>>
>> }
>> I want to create an in memory graph structure without persisting the nodes
>> as follows :
>>
>> Node n = new Node();
>> n.addElement(new Element());
>>
>> *However it throws an exception as the Node n has not been persisted so
>> the call to relateTo(..) fails. *
>>
>> If instead I do
>> n.persist()
>> and then call addElement(..) it works fine as the aspect kicks in.
>>
>> Any workaround for this ? That is, is there a way I can still use the
>> above style without persisting the Node object ?
>>
>>
>> My application needs this as first I create a structure and persist it,
>> and then I create another structure to pass around some values to the
>> persisted structure when doing some computations.
>>
>> -Karan
>>
>>
>>
>>
>
>
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