NodeBuilder idxb = newLuceneIndexDefinition(index, "lucene",
ImmutableSet.of(TYPENAME_STRING));
idxb.setProperty(PERSISTENCE_NAME, PERSISTENCE_FILE);
idxb.setProperty(PERSISTENCE_PATH, getIndexDir());
nodeStore.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);
builder = nodeStore.getRoot().builder();
builder.setProperty("foo", "bar");
NodeState indexed = nodeStore.merge(builder, HOOK, CommitInfo.EMPTY);