Examples with Label org.neo4j.graphdb.Label used on opensource projects

Example 66 with Label

use of org.neo4j.graphdb.Label in project neo4j by neo4j.

the class BatchInsertTest method shouldNotAllowCreationOfUniquenessConstraintAndIndexOnSameLabelAndProperty.

@Test
public void shouldNotAllowCreationOfUniquenessConstraintAndIndexOnSameLabelAndProperty() throws Exception {
    // Given
    Label label = label("Person1-" + denseNodeThreshold);
    String property = "name";
    BatchInserter inserter = globalInserter;
    // When
    inserter.createDeferredConstraint(label).assertPropertyIsUnique(property).create();
    try {
        inserter.createDeferredSchemaIndex(label).on(property).create();
        fail("Exception expected");
    } catch (ConstraintViolationException e) {
        // Then
        assertEquals("Index for given {label;property} already exists", e.getMessage());
    }
}

Example 67 with Label

use of org.neo4j.graphdb.Label in project neo4j by neo4j.

the class BatchInsertTest method uniquenessConstraintShouldBeCheckedOnBatchInserterShutdownAndFailIfViolated.

@Test
public void uniquenessConstraintShouldBeCheckedOnBatchInserterShutdownAndFailIfViolated() throws Exception {
    // Given
    Label label = label("Foo");
    String property = "Bar";
    String value = "Baz";
    BatchInserter inserter = newBatchInserter();
    // When
    inserter.createDeferredConstraint(label).assertPropertyIsUnique(property).create();
    inserter.createNode(Collections.<String, Object>singletonMap(property, value), label);
    inserter.createNode(Collections.<String, Object>singletonMap(property, value), label);
    // Then
    try {
        inserter.shutdown();
        fail("Node that violates uniqueness constraint was created by batch inserter");
    } catch (RuntimeException ex) {
        // good
        assertEquals(new IndexEntryConflictException(0, 1, value), ex.getCause());
    }
}

Example 68 with Label

use of org.neo4j.graphdb.Label in project neo4j by neo4j.

the class TestLuceneIndex method queryIndexWithSortByNumericAfterSamePropertyUpdate.

@Test
public void queryIndexWithSortByNumericAfterSamePropertyUpdate() {
    Index<Node> index = nodeIndex(stringMap());
    commitTx();
    String numericProperty = "PRODUCT_ID";
    Label updatableIndexesProperty = Label.label("updatableIndexes");
    try (Transaction transaction = graphDb.beginTx()) {
        for (int i = 0; i < 15; i++) {
            Node node = graphDb.createNode(updatableIndexesProperty);
            node.setProperty(numericProperty, i);
            index.add(node, numericProperty, new ValueContext(i).indexNumeric());
        }
        transaction.success();
    }
    doubleNumericPropertyValueForAllNodesWithLabel(index, numericProperty, updatableIndexesProperty);
    queryAndSortNodesByNumericProperty(index, numericProperty, i -> i * 2);
}

Example 69 with Label

use of org.neo4j.graphdb.Label in project neo4j by neo4j.

the class TestLuceneIndex method queryIndexWithSortByStringAfterSamePropertyUpdate.

@Test
public void queryIndexWithSortByStringAfterSamePropertyUpdate() {
    Index<Node> index = nodeIndex(stringMap());
    commitTx();
    String nameProperty = "NODE_NAME";
    Label heroes = Label.label("heroes");
    String[] names = new String[] { "Fry", "Leela", "Bender", "Amy", "Hubert", "Calculon" };
    try (Transaction transaction = graphDb.beginTx()) {
        for (String name : names) {
            Node node = graphDb.createNode(heroes);
            node.setProperty(nameProperty, name);
            index.add(node, nameProperty, name);
        }
        transaction.success();
    }
    try (Transaction transaction = graphDb.beginTx()) {
        ResourceIterator<Node> nodes = graphDb.findNodes(heroes);
        nodes.stream().forEach(node -> {
            node.setProperty(nameProperty, "junior " + node.getProperty(nameProperty));
            index.remove(node, nameProperty);
            index.add(node, nameProperty, node.getProperty(nameProperty));
        });
        transaction.success();
    }
    String[] sortedNames = new String[] { "junior Leela", "junior Hubert", "junior Fry", "junior Calculon", "junior Bender", "junior Amy" };
    queryAndSortNodesByStringProperty(index, nameProperty, sortedNames);
}

Example 70 with Label

use of org.neo4j.graphdb.Label in project neo4j by neo4j.

the class TestLuceneIndex method queryIndexWithSortByNumericAfterOtherPropertyUpdate.

@Test
public void queryIndexWithSortByNumericAfterOtherPropertyUpdate() {
    Index<Node> index = nodeIndex();
    commitTx();
    String yearProperty = "year";
    String priceProperty = "price";
    Label nodeLabel = Label.label("priceyNodes");
    try (Transaction transaction = graphDb.beginTx()) {
        for (int i = 0; i < 15; i++) {
            Node node = graphDb.createNode(nodeLabel);
            node.setProperty(yearProperty, i);
            node.setProperty(priceProperty, i);
            index.add(node, yearProperty, new ValueContext(i).indexNumeric());
            index.add(node, priceProperty, new ValueContext(i).indexNumeric());
        }
        transaction.success();
    }
    doubleNumericPropertyValueForAllNodesWithLabel(index, priceProperty, nodeLabel);
    queryAndSortNodesByNumericProperty(index, yearProperty);
    queryAndSortNodesByNumericProperty(index, priceProperty, (value) -> value * 2);
}