@Override
public IPersistenceService createPersistenceService(NEConfiguration configuration) {
// the cache providers
ArrayList<CacheProvider> cacheList = new ArrayList<CacheProvider>();
System.out.println("Creating db configuration");
cacheList.add(new WeakCacheProvider());
// the kernel extensions
LuceneKernelExtensionFactory lucene = new LuceneKernelExtensionFactory();
List<KernelExtensionFactory<?>> extensions = new ArrayList<KernelExtensionFactory<?>>();
extensions.add(lucene);
// Map<String,String> config = new HashMap<String,String>();
// config.put("cache_type", "weak");
// the database setup
GraphDatabaseFactory gdbf = new GraphDatabaseFactory();
gdbf.setKernelExtensions(extensions);
gdbf.setCacheProviders(cacheList);
GraphDatabaseService db = null;
try {
// db = gdbf.newEmbeddedDatabase(configuration.path().getAbsolutePath());
db =
gdbf.newEmbeddedDatabaseBuilder(configuration.path().getAbsolutePath())
.setConfig(GraphDatabaseSettings.cache_type, WeakCacheProvider.NAME)
.newGraphDatabase();
} catch (Exception e) {
e.printStackTrace();
}
IPersistenceService service = new PersistenceService(db, configuration);
registerShutdownHook(db);
return service;
}
/*
* Helper method to get an instance of the graph database api
*
* */
private static GraphDatabaseAPI GET_GRAPH_DATABASE_API() {
GraphDatabaseFactory gdbf = new GraphDatabaseFactory();
GraphDatabaseBuilder edbb = gdbf.newEmbeddedDatabaseBuilder("target/neo4jTestDb");
edbb.setConfig(ShellSettings.remote_shell_enabled, Settings.TRUE);
return (GraphDatabaseAPI) edbb.newGraphDatabase();
}