Examples with GraphNode com.datastax.dse.driver.api.core.graph.GraphNode used on opensource projects

Example 26 with GraphNode

use of com.datastax.dse.driver.api.core.graph.GraphNode in project java-driver by datastax.

the class GraphTraversalITBase method should_resolve_path_with_labels.

/**
 * Validates that when traversing a path and labeling all of the elements during the traversal
 * that the output elements are properly labeled.
 *
 * @test_category dse:graph
 */
@Test
public void should_resolve_path_with_labels() {
    GraphResultSet rs = session().execute(newInstance(graphTraversalSource().V().hasLabel("person").has("name", "marko").as("a").outE("knows").as("b").inV().as("c", "d").outE("created").as("e", "f", "g").inV().as("h").path()));
    List<GraphNode> results = rs.all();
    assertThat(results.size()).isEqualTo(2);
    for (GraphNode result : results) {
        Path path = result.asPath();
        validatePathObjects(path);
        assertThat(path.labels()).hasSize(5);
        assertThat(path).hasLabel(0, "a").hasLabel(1, "b").hasLabel(2, "c", "d").hasLabel(3, "e", "f", "g").hasLabel(4, "h");
    }
}

Example 27 with GraphNode

use of com.datastax.dse.driver.api.core.graph.GraphNode in project java-driver by datastax.

the class GraphTraversalITBase method should_handle_asynchronous_execution_graph_binary.

@Test
public void should_handle_asynchronous_execution_graph_binary() {
    Assumptions.assumeThat(isGraphBinary()).isTrue();
    StringBuilder names = new StringBuilder();
    CompletionStage<AsyncGraphResultSet> future = session().executeAsync(FluentGraphStatement.newInstance(graphTraversalSource().V().hasLabel("person")));
    try {
        // dumb processing to make sure the completable future works correctly and correct results are
        // returned
        Iterable<GraphNode> results = future.thenApply(AsyncGraphResultSet::currentPage).toCompletableFuture().get();
        for (GraphNode gn : results) {
            names.append(gn.asVertex().id());
        }
    } catch (InterruptedException | ExecutionException e) {
        fail("Shouldn't have thrown an exception waiting for the result to complete");
    }
    assertThat(names.toString()).contains("peter", "marko", "vadas", "josh");
}

Example 28 with GraphNode

use of com.datastax.dse.driver.api.core.graph.GraphNode in project java-driver by datastax.

the class GraphTraversalITBase method should_handle_asynchronous_execution_graphson.

@Test
public void should_handle_asynchronous_execution_graphson() {
    Assumptions.assumeThat(isGraphBinary()).isFalse();
    StringBuilder names = new StringBuilder();
    CompletionStage<AsyncGraphResultSet> future = session().executeAsync(FluentGraphStatement.newInstance(graphTraversalSource().V().hasLabel("person")));
    try {
        // dumb processing to make sure the completable future works correctly and correct results are
        // returned
        Iterable<GraphNode> results = future.thenApply(AsyncGraphResultSet::currentPage).toCompletableFuture().get();
        for (GraphNode gn : results) {
            names.append(gn.asVertex().property("name").value());
        }
    } catch (InterruptedException | ExecutionException e) {
        fail("Shouldn't have thrown an exception waiting for the result to complete");
    }
    assertThat(names.toString()).contains("peter", "marko", "vadas", "josh");
}

Example 29 with GraphNode

use of com.datastax.dse.driver.api.core.graph.GraphNode in project java-driver by datastax.

the class GraphTraversalITBase method should_resolve_path_with_some_labels.

/**
 * Validates that when traversing a path and labeling some of the elements during the traversal
 * that the output elements are properly labeled.
 *
 * @test_category dse:graph
 */
@Test
public void should_resolve_path_with_some_labels() {
    GraphResultSet rs = session().execute(newInstance(graphTraversalSource().V().hasLabel("person").has("name", "marko").as("a").outE("knows").inV().as("c", "d").outE("created").as("e", "f", "g").inV().path()));
    List<GraphNode> results = rs.all();
    assertThat(results.size()).isEqualTo(2);
    for (GraphNode result : results) {
        Path path = result.asPath();
        validatePathObjects(path);
        assertThat(path.labels()).hasSize(5);
        assertThat(path).hasLabel(0, "a").hasNoLabel(1).hasLabel(2, "c", "d").hasLabel(3, "e", "f", "g").hasNoLabel(4);
    }
}

Example 30 with GraphNode

use of com.datastax.dse.driver.api.core.graph.GraphNode in project java-driver by datastax.

the class GraphTraversalITBase method should_return_correct_results_when_bulked.

/**
 * Ensures that traversals with barriers (which return results bulked) contain the correct amount
 * of end results.
 *
 * <p>This will fail if ran against DSE < 5.0.9 or DSE < 5.1.2.
 */
@Test
public void should_return_correct_results_when_bulked() {
    Assumptions.assumeThat(ccmRule().getCcmBridge().getDseVersion().get().compareTo(Version.parse("5.1.2")) > 0).isTrue();
    GraphResultSet rs = session().execute(newInstance(graphTraversalSource().E().label().barrier()));
    List<String> results = rs.all().stream().map(GraphNode::asString).sorted().collect(Collectors.toList());
    assertThat(results).hasSize(6).containsSequence("created", "created", "created", "created").containsSequence("knows", "knows");
}