Examples of com.datastax.driver.core.Row

com.datastax.driver.core.Row
A CQL Row returned in a {@link ResultSet}.
The values of a CQL Row can be retrieve by either index (index starts at 0) or name. When setting them by name, names follow the case insensitivity rules explained in {@link ColumnDefinitions}.

    @Test
    public void should_dirty_check_assign_new_value_to_list() throws Exception {
        bean.setFriends(asList("qux", "tux"));
        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        List<String> friends = row.getList("friends", String.class);
        assertThat(friends).containsOnly("qux", "tux");
    }

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    public void should_dirty_check_list_element_add() throws Exception {
        bean.getFriends().add("qux");
        bean.getFriends().addAll(asList("qux", "qux"));
        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        List<String> friends = row.getList("friends", String.class);


        assertThat(friends).hasSize(5);
        assertThat(friends.get(2)).isEqualTo("qux");
        assertThat(friends.get(3)).isEqualTo("qux");
        assertThat(friends.get(4)).isEqualTo("qux");

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    @Test
    public void should_dirty_check_list_element_clear() throws Exception {
        bean.getFriends().clear();
        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        assertThat(row.isNull("friends")).isTrue();
    }

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    public void should_dirty_check_list_element_clear_then_append() throws Exception {
        bean.getFriends().clear();
        bean.getFriends().add("qux");
        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        assertThat(row.getList("friends", String.class)).containsExactly("qux");
    }

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    public void should_dirty_check_list_element_prepend() throws Exception {
        bean.getFriends().add(0, "one");
        bean.getFriends().addAll(0, asList("two", "three"));
        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        List<String> friends = row.getList("friends", String.class);


        assertThat(friends).hasSize(5);
        assertThat(friends.get(0)).isEqualTo("three");
        assertThat(friends.get(1)).isEqualTo("two");
        assertThat(friends.get(2)).isEqualTo("one");

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        bean.getFriends().add("qux");
        bean.getFriends().remove(0);


        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        List<String> friends = row.getList("friends", String.class);


        assertThat(friends).hasSize(2);
        assertThat(friends.get(0)).isEqualTo("bar");
        assertThat(friends.get(1)).isEqualTo("qux");
    }

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        bean.getFriends().remove(0);
        bean.getFriends().remove(0);


        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        List<String> friends = row.getList("friends", String.class);


        assertThat(friends).hasSize(1);
        assertThat(friends.get(0)).isEqualTo("qux");
    }

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        bean.getFriends().remove("foo");
        bean.getFriends().removeAll(asList("bar"));


        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        List<String> friends = row.getList("friends", String.class);


        assertThat(friends).hasSize(4);
        assertThat(friends.get(0)).isEqualTo("qux");
        assertThat(friends.get(1)).isEqualTo("tux");
        assertThat(friends.get(2)).isEqualTo("foo");

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    public void should_dirty_check_list_element_remove_all() throws Exception {
        bean.getFriends().removeAll(asList("foo", "qux"));


        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        List<String> friends = row.getList("friends", String.class);


        assertThat(friends).hasSize(1);
        assertThat(friends.get(0)).isEqualTo("bar");
    }

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    public void should_dirty_check_list_element_retain_all() throws Exception {
        bean.getFriends().retainAll(asList("foo", "qux"));


        manager.update(bean);


        Row row = session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
        List<String> friends = row.getList("friends", String.class);


        assertThat(friends).hasSize(1);
        assertThat(friends.get(0)).isEqualTo("foo");
    }

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