public Node createNodeUsuario(Usuario usuario) {
Node lockNode;
try (Transaction tx = getManagerConnection().getGraphDb().beginTx()) {
lockNode = getManagerConnection().getGraphDb().createNode();
tx.success();
}
try (Transaction tx = getManagerConnection().beginTx()) {
Index<Node> usersIndex = getManagerConnection().getGraphDb().index().forNodes("users");
Node userNode = usersIndex.get("login", usuario.getLogin()).getSingle();
if (userNode != null) {
return userNode;
}
tx.acquireWriteLock(lockNode);
userNode = usersIndex.get("login", usuario.getLogin()).getSingle();
if (userNode == null) {
userNode = getManagerConnection().getGraphDb().createNode(DynamicLabel.label("User"));
usersIndex.add(userNode, "login", usuario.getLogin());
userNode.setProperty("login", usuario.getLogin());
userNode.setProperty("nome", usuario.getNome());
userNode.setProperty("senha", usuario.getSenha());
userNode.setProperty("type", usuario.getType().getName());
}
tx.success();
return userNode;
}
}
public Usuario recuperarUsuario(Usuario usuario) {
try (Transaction tx = getManagerConnection().beginTx()) {
Index<Node> usersIndex = getManagerConnection().getGraphDb().index().forNodes("users");
Node userNode = usersIndex.get("login", usuario.getLogin()).getSingle();
if (userNode != null) {
Usuario pUsuario = new Usuario();
pUsuario.setNome((String) userNode.getProperty("nome"));
pUsuario.setLogin((String) userNode.getProperty("login"));
pUsuario.setId(userNode.getId());
return pUsuario;
}
}
return null;
// ExecutionEngine engine = new ExecutionEngine(ManagerConnection.getInstance().getGraphDb());
// ExecutionResult result;
// try(Transaction tx = getManagerConnection().beginTx()) {
// result = engine.execute("start n=node(*) where n.Type = 'AGENT' AND n.login = '******' return n");
// List<Usuario> listUsuario = montaLista(result);
// return listUsuario.isEmpty() ? null : listUsuario.get(0);
// }
}
