I'm not sure what the implications are, but I was able to get a neo4j datastore
working with Apache Isis by modifying
org.apache.isis.objectstore.jdo.datanucleus.DataNucleusApplicationComponents#createSchema
in the "Isis Core Runtime module" to check if the datanucleus StoreManager
supports the SchemaAwareStoreManager interface before casting.
It is persisting data successfully.
private void createSchema(final Map<String, String> props, final Set<String>
classesToBePersisted) {
final JDOPersistenceManagerFactory jdopmf =
(JDOPersistenceManagerFactory)persistenceManagerFactory;
final NucleusContext nucleusContext = jdopmf.getNucleusContext();
final StoreManager storeManager = nucleusContext.getStoreManager();
if (storeManager instanceof SchemaAwareStoreManager) {
((SchemaAwareStoreManager)storeManager).createSchema(classesToBePersisted,
asProperties(props));
}
}
Jeremy D. Branham
Tel: **DOTNET
-----Original Message-----
From: Branham, Jeremy [HR]
Sent: Saturday, December 20, 2014 8:27 AM
To: [email protected]
Subject: How would I use neo4j with Apache Isis?
I am attempting to use neo4j as a backing store for Apache Isis but it looks
like some development may be needed.
If I add the datanucleus-neo4j dependency, it appears the neo4j JDO connection
is initializing but Apache Isis is expecting a different type of StoreManager.
This is the exception I get
org.datanucleus.store.neo4j.Neo4jStoreManager cannot be cast to
org.datanucleus.store.schema.SchemaAwareStoreManager
How can I use neo4j as a backing store in Apache Isis?
I read about nosql support in Isis, but is it not part of the current
release?http://isis.apache.org/components/objectstores/nosql/about.html
Thanks!
This question is also posted at -
http://stackoverflow.com/questions/27579653/how-would-i-use-neo4j-with-apache-isis
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