private Graph getGraphFromConfiguration(final HierarchicalConfiguration graphConfiguration)
throws GraphConfigurationException {
String graphConfigurationType = graphConfiguration.getString(Tokens.REXSTER_GRAPH_TYPE);
final boolean isReadOnly = graphConfiguration.getBoolean(Tokens.REXSTER_GRAPH_READ_ONLY, false);
if (graphConfigurationType.equals("neo4jgraph")) {
graphConfigurationType = Neo4jGraphConfiguration.class.getName();
} else if (graphConfigurationType.equals("orientgraph")) {
graphConfigurationType = OrientGraphConfiguration.class.getName();
} else if (graphConfigurationType.equals("tinkergraph")) {
graphConfigurationType = TinkerGraphGraphConfiguration.class.getName();
} else if (graphConfigurationType.equals("rexstergraph")) {
graphConfigurationType = RexsterGraphGraphConfiguration.class.getName();
} else if (graphConfigurationType.equals("memorystoresailgraph")) {
graphConfigurationType = MemoryStoreSailGraphConfiguration.class.getName();
} else if (graphConfigurationType.equals("nativestoresailgraph")) {
graphConfigurationType = NativeStoreSailGraphConfiguration.class.getName();
} else if (graphConfigurationType.equals("sparqlrepositorysailgraph")) {
graphConfigurationType = SparqlRepositorySailGraphConfiguration.class.getName();
} else if (graphConfigurationType.equals("dexgraph")) {
graphConfigurationType = DexGraphConfiguration.class.getName();
}
final Graph graph;
try {
final Class clazz =
Class.forName(
graphConfigurationType, true, Thread.currentThread().getContextClassLoader());
final GraphConfiguration graphConfigInstance = (GraphConfiguration) clazz.newInstance();
Graph readWriteGraph = graphConfigInstance.configureGraphInstance(graphConfiguration);
if (isReadOnly) {
// the graph is configured to be readonly so wrap it up
if (readWriteGraph instanceof IndexableGraph) {
graph = new ReadOnlyIndexableGraph((IndexableGraph) readWriteGraph);
} else {
graph = new ReadOnlyGraph(readWriteGraph);
}
} else {
graph = readWriteGraph;
}
} catch (NoClassDefFoundError err) {
throw new GraphConfigurationException(
String.format(
"GraphConfiguration [%s] could not instantiate a class [%s]. Ensure that it is in Rexster's path.",
graphConfigurationType, err.getMessage()));
} catch (Exception ex) {
throw new GraphConfigurationException(
String.format(
"GraphConfiguration could not be found or otherwise instantiated: [%s]. Ensure that it is in Rexster's path.",
graphConfigurationType),
ex);
}
return graph;
}
@Override
public void subscribe(int appId, String nodeName) throws RemoteException {
Log.d(TAG, "subscribe for " + nodeName);
mApplicationMap.get(appId).addSubscribedNodeNames(nodeName);
mGraphConfig.subscribe(mApplicationMap.get(appId), nodeName);
mNotification.showNotificationNow("Subscribed " + nodeName);
}
@Override
public void unregister(int appId) throws RemoteException {
synchronized (mApplicationMap) {
Application removedApp = mApplicationMap.remove(appId);
mGraphConfig.removeApplication(removedApp);
mNotification.showNotificationNow("Unregistering application ID " + appId);
}
}
