Thanks Michael.
I’m trying to work out with parts of SDN I can use without a spring container,
and which I can’t.
If I take the approach:
static class Config extends Neo4jConfiguration {
GraphDatabaseService graphDatabaseService
Config(GraphDatabaseService service) throws ClassNotFoundException {
setBasePackage("com.truespeed.truedb");
this.graphDatabaseService = service
}
public GraphDatabaseService graphDatabaseService() {
return graphDatabaseService;
}
}
def setup() {
def testGraphDatabaseFactory = new TestGraphDatabaseFactory()
def graphDatabaseService =
testGraphDatabaseFactory.newImpermanentDatabase()
def ee = new ExecutionEngine(graphDatabaseService)
def neo4jTemplate = new Neo4jTemplate(graphDatabaseService)
def repo = neo4jTemplate.repositoryFor(Foo)
Is it possible to use my repo without a spring container, or are will it all
fall apart if the internals of SDN aren’t wired by spring? (I’m guessing the
later).
Is there a steep learning curve around your Java-OGM, and do you have an
references that I could chase?
The background is that we’re building a RESTX application, backed by Neo4J.
They’ve got a static wiring configuration for speed of deployment, and I’d
rather not introduce a spring context if I don’t have to. However, we’ve got
an SDN (3.2.2) with Neo4j (2.1.6) app that we’re porting and I’m trying to
remove all the spring as we go. I’m beginning to feel that I’m on to a hiding
to nothing, and it’s not going to be possible with SDN 3.2.2.
We’re not doing much with SDN - our transactions are managed locally (we’re not
using @Transactional), and we’re only really using the mapping capabilities of
SDN through domain object annotations and then doing everything else directly
through neo4jTemplate, using createEntityFromStoredType to map back into the
domain.
The database is embedded; so another option open to us is to host the Neo4j
separately and use REST to communicate with it, but there’s a lot of doubt here
as to whether Neo4j 2.0 / SDN4.0 work yet with neo4j-spatial in a way that
makes the transition worth going through, as it’s a fairly large transition and
I believe that spatial is in some flux right now WRT 2.0.
Joe
> On 4 Jun 2015, at 08:34, Michael Hunger <[email protected]>
> wrote:
>
> You can't without spring except if you are using our upcoming Java-OGM which
> is used to build SDN4 (but not tied to it).
>
> With spring you just let spring inject you an instance of the repository
>
> Michael
>
>> Am 03.06.2015 um 16:26 schrieb Josef Karthauser <[email protected]
>> <mailto:[email protected]>>:
>>
>> Hi folks,
>>
>> Can someone familiar with Spring-Data-Neo4j please tell me how to
>> instantiate a GraphRepository instance without using Spring?
>>
>> I know I can neo4jTemplate.repositoryFor(DomainClass) to get one, but how do
>> I instantiate an instance of an interface?
>>
>> i.e.:
>>
>> interface MyFooGraph implements GraphRepository(Foo) {
>> @Query("SOME CYPHER QUERY WHERE a.property={0} RETURN count(a) <>
>> 0")
>> boolean exists(Long id)
>> }
>>
>> How do I, in code, get an instance of a MyFooGraph?
>>
>> I don't have the luxury of Spring in the current project, but I do want SDN
>> magic.
>>
>> Many thanks,
>> Joe
>>
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