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

Example 36 with Label

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

the class NodeProxyTest method createDropNodeLongArrayProperty.

@Test
public void createDropNodeLongArrayProperty() {
    Label markerLabel = Label.label("marker");
    String testPropertyKey = "testProperty";
    byte[] propertyValue = RandomUtils.nextBytes(1024);
    try (Transaction tx = db.beginTx()) {
        Node node = db.createNode(markerLabel);
        node.setProperty(testPropertyKey, propertyValue);
        tx.success();
    }
    try (Transaction tx = db.beginTx()) {
        Node node = Iterators.single(db.findNodes(markerLabel));
        assertArrayEquals(propertyValue, (byte[]) node.getProperty(testPropertyKey));
        tx.success();
    }
    try (Transaction tx = db.beginTx()) {
        Node node = Iterators.single(db.findNodes(markerLabel));
        node.removeProperty(testPropertyKey);
        tx.success();
    }
    try (Transaction tx = db.beginTx()) {
        Node node = Iterators.single(db.findNodes(markerLabel));
        assertFalse(node.hasProperty(testPropertyKey));
        tx.success();
    }
}

Example 37 with Label

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

the class RelationshipProxyTest method createDropRelationshipLongStringProperty.

@Test
public void createDropRelationshipLongStringProperty() {
    Label markerLabel = DynamicLabel.label("marker");
    String testPropertyKey = "testProperty";
    String propertyValue = RandomStringUtils.randomAscii(255);
    try (Transaction tx = db.beginTx()) {
        Node start = db.createNode(markerLabel);
        Node end = db.createNode(markerLabel);
        Relationship relationship = start.createRelationshipTo(end, withName("type"));
        relationship.setProperty(testPropertyKey, propertyValue);
        tx.success();
    }
    try (Transaction tx = db.beginTx()) {
        Relationship relationship = db.getRelationshipById(0);
        assertEquals(propertyValue, relationship.getProperty(testPropertyKey));
        tx.success();
    }
    try (Transaction tx = db.beginTx()) {
        Relationship relationship = db.getRelationshipById(0);
        relationship.removeProperty(testPropertyKey);
        tx.success();
    }
    try (Transaction tx = db.beginTx()) {
        Relationship relationship = db.getRelationshipById(0);
        assertFalse(relationship.hasProperty(testPropertyKey));
        tx.success();
    }
}

Example 38 with Label

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

the class NodeMatcher method matches.

@Override
public boolean matches(Object value) {
    if (value instanceof Node) {
        Node node = (Node) value;
        int nbrOfLabels = 0;
        for (Label l : node.getLabels()) {
            if (!labelNames.contains(l.name())) {
                return false;
            }
            ++nbrOfLabels;
        }
        return labelNames.size() == nbrOfLabels && propertyMatcher.matches(node.getAllProperties());
    }
    return false;
}

Example 39 with Label

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

the class LabelIT method creatingIndexOnMasterShouldHaveSlavesBuildItAsWell.

@Test
public void creatingIndexOnMasterShouldHaveSlavesBuildItAsWell() throws Throwable {
    // GIVEN
    HighlyAvailableGraphDatabase slave1 = cluster.getAnySlave();
    HighlyAvailableGraphDatabase slave2 = cluster.getAnySlave(/*except*/
    slave1);
    Label label = label("Person");
    // WHEN
    TransactionContinuation txOnSlave1 = createNodeAndKeepTxOpen(slave1, label);
    TransactionContinuation txOnSlave2 = createNodeAndKeepTxOpen(slave2, label);
    commit(txOnSlave1);
    commit(txOnSlave2);
    // THEN
    assertEquals(getLabelId(slave1, label), getLabelId(slave2, label));
}

Example 40 with Label

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

the class LabelScanStoreHaIT method setUp.

@Before
public void setUp() {
    KernelExtensionFactory<?> testExtension = labelScanStoreExtension(monitor);
    TestHighlyAvailableGraphDatabaseFactory factory = new TestHighlyAvailableGraphDatabaseFactory();
    factory.removeKernelExtensions(extension -> extension.getClass().getName().contains("LabelScan"));
    factory.addKernelExtension(testExtension);
    ClusterManager clusterManager = new ClusterManager.Builder(testDirectory.directory("root")).withDbFactory(factory).withSharedSetting(GraphDatabaseSettings.label_index, labelIndexSettingName()).withStoreDirInitializer((serverId, storeDir) -> {
        if (serverId == 1) {
            GraphDatabaseService db = new TestGraphDatabaseFactory().addKernelExtension(testExtension).newEmbeddedDatabaseBuilder(storeDir.getAbsoluteFile()).setConfig(GraphDatabaseSettings.label_index, labelIndexSettingName()).newGraphDatabase();
            try {
                createSomeLabeledNodes(db, new Label[] { Labels.First }, new Label[] { Labels.First, Labels.Second }, new Label[] { Labels.Second });
            } finally {
                db.shutdown();
            }
        }
    }).build();
    life.add(clusterManager);
    life.start();
    cluster = clusterManager.getCluster();
    cluster.await(allSeesAllAsAvailable());
    cluster.await(allAvailabilityGuardsReleased());
}