Examples with ReactiveRow com.datastax.dse.driver.api.core.cql.reactive.ReactiveRow used on opensource projects

Example 16 with ReactiveRow

use of com.datastax.dse.driver.api.core.cql.reactive.ReactiveRow in project java-driver by datastax.

the class UpdateReactiveIT method should_update_entity_if_condition_is_met_reactive.

@Test
public void should_update_entity_if_condition_is_met_reactive() {
    Flowable.fromPublisher(dao.updateReactive(new Product(FLAMETHROWER.getId(), "Description for length 10", new Dimensions(10, 1, 1)))).blockingSubscribe();
    assertThat(Flowable.fromPublisher(dao.findByIdReactive(FLAMETHROWER.getId())).blockingSingle()).isNotNull();
    Product otherProduct = new Product(FLAMETHROWER.getId(), "Other description", new Dimensions(1, 1, 1));
    ReactiveResultSet rs = dao.updateIfLengthReactive(otherProduct, 10);
    ReactiveRow row = Flowable.fromPublisher(rs).blockingSingle();
    assertThat(row.wasApplied()).isTrue();
    assertThat(row.getColumnDefinitions().contains("dimensions")).isFalse();
    assertThat(Single.fromPublisher(rs.getColumnDefinitions()).blockingGet().contains("dimensions")).isFalse();
    assertThat(Single.fromPublisher(rs.wasApplied()).blockingGet()).isTrue();
}

Example 17 with ReactiveRow

use of com.datastax.dse.driver.api.core.cql.reactive.ReactiveRow in project java-driver by datastax.

the class ReactiveResultSetSubscription method toPage.

/**
 * Converts the received result object into a {@link Page}.
 *
 * @param rs the result object to convert.
 * @return a new page.
 */
@NonNull
private Page<ResultSetT> toPage(@NonNull ResultSetT rs) {
    ExecutionInfo executionInfo = rs.getExecutionInfo();
    Iterator<ReactiveRow> results = Iterators.transform(rs.currentPage().iterator(), row -> new DefaultReactiveRow(Objects.requireNonNull(row), executionInfo));
    return new Page<>(results, rs.hasMorePages() ? rs::fetchNextPage : null);
}

Example 18 with ReactiveRow

use of com.datastax.dse.driver.api.core.cql.reactive.ReactiveRow in project java-driver by datastax.

the class CqlRequestReactiveProcessorTest method should_complete_single_page_result.

@Test
@UseDataProvider(value = "allDseAndOssProtocolVersions", location = DseTestDataProviders.class)
public void should_complete_single_page_result(ProtocolVersion version) {
    try (RequestHandlerTestHarness harness = RequestHandlerTestHarness.builder().withProtocolVersion(version).withResponse(node1, defaultFrameOf(singleDseRow())).build()) {
        DefaultSession session = harness.getSession();
        InternalDriverContext context = harness.getContext();
        ReactiveResultSet publisher = new CqlRequestReactiveProcessor(new CqlRequestAsyncProcessor()).process(UNDEFINED_IDEMPOTENCE_STATEMENT, session, context, "test");
        List<ReactiveRow> rows = Flowable.fromPublisher(publisher).toList().blockingGet();
        assertThat(rows).hasSize(1);
        ReactiveRow row = rows.get(0);
        assertThat(row.getString("message")).isEqualTo("hello, world");
        ExecutionInfo executionInfo = row.getExecutionInfo();
        assertThat(executionInfo.getCoordinator()).isEqualTo(node1);
        assertThat(executionInfo.getErrors()).isEmpty();
        assertThat(executionInfo.getIncomingPayload()).isEmpty();
        assertThat(executionInfo.getPagingState()).isNull();
        assertThat(executionInfo.getSpeculativeExecutionCount()).isEqualTo(0);
        assertThat(executionInfo.getSuccessfulExecutionIndex()).isEqualTo(0);
        assertThat(executionInfo.getWarnings()).isEmpty();
        Flowable<ExecutionInfo> execInfosFlowable = Flowable.fromPublisher(publisher.getExecutionInfos());
        assertThat(execInfosFlowable.toList().blockingGet()).containsExactly(executionInfo);
        Flowable<ColumnDefinitions> colDefsFlowable = Flowable.fromPublisher(publisher.getColumnDefinitions());
        assertThat(colDefsFlowable.toList().blockingGet()).containsExactly(row.getColumnDefinitions());
        Flowable<Boolean> wasAppliedFlowable = Flowable.fromPublisher(publisher.wasApplied());
        assertThat(wasAppliedFlowable.toList().blockingGet()).containsExactly(row.wasApplied());
    }
}

Example 19 with ReactiveRow

use of com.datastax.dse.driver.api.core.cql.reactive.ReactiveRow in project java-driver by datastax.

the class CqlRequestReactiveProcessorTest method should_complete_multi_page_result.

@Test
@UseDataProvider(value = "allDseAndOssProtocolVersions", location = DseTestDataProviders.class)
public void should_complete_multi_page_result(ProtocolVersion version) {
    RequestHandlerTestHarness.Builder builder = RequestHandlerTestHarness.builder().withProtocolVersion(version);
    PoolBehavior node1Behavior = builder.customBehavior(node1);
    try (RequestHandlerTestHarness harness = builder.build()) {
        DefaultSession session = harness.getSession();
        InternalDriverContext context = harness.getContext();
        // The 2nd page is obtained by an "external" call to session.executeAsync(),
        // so we need to mock that.
        CompletableFuture<AsyncResultSet> page2Future = new CompletableFuture<>();
        when(session.executeAsync(any(Statement.class))).thenAnswer(invocation -> page2Future);
        ExecutionInfo mockInfo = mock(ExecutionInfo.class);
        ReactiveResultSet publisher = new CqlRequestReactiveProcessor(new CqlRequestAsyncProcessor()).process(UNDEFINED_IDEMPOTENCE_STATEMENT, session, context, "test");
        Flowable<ReactiveRow> rowsPublisher = Flowable.fromPublisher(publisher).cache();
        rowsPublisher.subscribe();
        // emulate arrival of page 1
        node1Behavior.setResponseSuccess(defaultFrameOf(DseTestFixtures.tenDseRows(1, false)));
        // emulate arrival of page 2 following the call to session.executeAsync()
        page2Future.complete(Conversions.toResultSet(DseTestFixtures.tenDseRows(2, true), mockInfo, harness.getSession(), harness.getContext()));
        List<ReactiveRow> rows = rowsPublisher.toList().blockingGet();
        assertThat(rows).hasSize(20);
        ReactiveRow first = rows.get(0);
        ExecutionInfo firstExecutionInfo = first.getExecutionInfo();
        assertThat(firstExecutionInfo.getCoordinator()).isEqualTo(node1);
        assertThat(firstExecutionInfo.getErrors()).isEmpty();
        assertThat(firstExecutionInfo.getIncomingPayload()).isEmpty();
        assertThat(firstExecutionInfo.getPagingState()).isNotNull();
        assertThat(firstExecutionInfo.getSpeculativeExecutionCount()).isEqualTo(0);
        assertThat(firstExecutionInfo.getSuccessfulExecutionIndex()).isEqualTo(0);
        assertThat(firstExecutionInfo.getWarnings()).isEmpty();
        ReactiveRow inSecondPage = rows.get(10);
        ExecutionInfo secondExecutionInfo = inSecondPage.getExecutionInfo();
        assertThat(secondExecutionInfo).isSameAs(mockInfo);
        Flowable<ExecutionInfo> execInfosFlowable = Flowable.fromPublisher(publisher.getExecutionInfos());
        assertThat(execInfosFlowable.toList().blockingGet()).containsExactly(firstExecutionInfo, secondExecutionInfo);
        Flowable<ColumnDefinitions> colDefsFlowable = Flowable.fromPublisher(publisher.getColumnDefinitions());
        assertThat(colDefsFlowable.toList().blockingGet()).containsExactly(first.getColumnDefinitions());
        Flowable<Boolean> wasAppliedFlowable = Flowable.fromPublisher(publisher.wasApplied());
        assertThat(wasAppliedFlowable.toList().blockingGet()).containsExactly(first.wasApplied());
    }
}

Example 20 with ReactiveRow

use of com.datastax.dse.driver.api.core.cql.reactive.ReactiveRow in project java-driver by datastax.

the class DefaultReactiveResultSetIT method should_write.

@Test
public void should_write() {
    SimpleStatement statement = SimpleStatement.builder("INSERT INTO test_reactive_write (pk, cc, v) VALUES (?, ?, ?)").addPositionalValue(0).addPositionalValue(1).addPositionalValue(2).setExecutionProfile(sessionRule.slowProfile()).build();
    ReactiveResultSet rs = sessionRule.session().executeReactive(statement);
    List<ReactiveRow> results = Flowable.fromPublisher(rs).toList().blockingGet();
    assertThat(results).isEmpty();
    List<ExecutionInfo> execInfos = Flowable.<ExecutionInfo>fromPublisher(rs.getExecutionInfos()).toList().blockingGet();
    assertThat(execInfos).hasSize(1);
    List<ColumnDefinitions> colDefs = Flowable.<ColumnDefinitions>fromPublisher(rs.getColumnDefinitions()).toList().blockingGet();
    assertThat(colDefs).hasSize(1).containsExactly(EmptyColumnDefinitions.INSTANCE);
    List<Boolean> wasApplied = Flowable.fromPublisher(rs.wasApplied()).toList().blockingGet();
    assertThat(wasApplied).hasSize(1).containsExactly(true);
}