Dictionary<String, String> props = new Hashtable<String, String>();
props.put(Constants.SERVICE_PID, SegmentNodeStore.class.getName());
registration = context.getBundleContext().registerService(NodeStore.class.getName(), this, props);
OsgiWhiteboard whiteboard = new OsgiWhiteboard(context.getBundleContext());
executor = new WhiteboardExecutor();
executor.start(whiteboard);
RevisionGC revisionGC = new RevisionGC(new Runnable() {
@Override