neo4j自动关闭连接

class CypherExecutor implements AutoCloseable {

    private final Driver driver;

    public CypherExecutor(String uri, String username, String password) {
        this.driver = GraphDatabase.driver(uri, AuthTokens.basic(username, password))
    }

    public <T> List<T> readCyphers(String cypher, Function<Record, T> mapper) {
        try (Session session = driver.session()) {
            Result result = session.run(cypher);
            return result.list(mapper);
        }
    }

    @Override
    public void close() throws Exception {
        driver.close();
    }
}