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

Example 61 with Node

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

the class TestNeo4j method testGetAllNodes.

@Test
public void testGetAllNodes() {
    long highId = getIdGenerator(IdType.NODE).getHighestPossibleIdInUse();
    if (highId >= 0 && highId < 10000) {
        long count = Iterables.count(getGraphDb().getAllNodes());
        boolean found = false;
        Node newNode = getGraphDb().createNode();
        newTransaction();
        long oldCount = count;
        count = 0;
        for (Node node : getGraphDb().getAllNodes()) {
            count++;
            if (node.equals(newNode)) {
                found = true;
            }
        }
        assertTrue(found);
        assertEquals(count, oldCount + 1);
        // Tests a bug in the "all nodes" iterator
        Iterator<Node> allNodesIterator = getGraphDb().getAllNodes().iterator();
        assertNotNull(allNodesIterator.next());
        newNode.delete();
        newTransaction();
        found = false;
        count = 0;
        for (Node node : getGraphDb().getAllNodes()) {
            count++;
            if (node.equals(newNode)) {
                found = true;
            }
        }
        assertTrue(!found);
        assertEquals(count, oldCount);
    }
// else we skip test, takes too long
}

Example 62 with Node

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

the class TestNeo4j method testNodeChangePropertyArray.

@Test
public void testNodeChangePropertyArray() throws Exception {
    getTransaction().close();
    Node node;
    try (Transaction tx = getGraphDb().beginTx()) {
        node = getGraphDb().createNode();
        tx.success();
    }
    try (Transaction tx = getGraphDb().beginTx()) {
        node.setProperty("test", new String[] { "value1" });
        tx.success();
    }
    try (Transaction ignored = getGraphDb().beginTx()) {
        node.setProperty("test", new String[] { "value1", "value2" });
    // no success, we wanna test rollback on this operation
    }
    try (Transaction tx = getGraphDb().beginTx()) {
        String[] value = (String[]) node.getProperty("test");
        assertEquals(1, value.length);
        assertEquals("value1", value[0]);
        tx.success();
    }
    setTransaction(getGraphDb().beginTx());
}

Example 63 with Node

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

the class TestNeo4jCacheAndPersistence method testNodeRemoveProperty.

@Test
public void testNodeRemoveProperty() {
    Node node1 = getGraphDb().getNodeById(node1Id);
    Node node2 = getGraphDb().getNodeById(node2Id);
    Relationship rel = node1.getSingleRelationship(MyRelTypes.TEST, Direction.BOTH);
    // test remove property
    assertEquals(1, node1.removeProperty(key1));
    assertEquals(2, node2.removeProperty(key1));
    assertEquals(1, rel.removeProperty(key1));
    assertEquals(string1, node1.removeProperty(key2));
    assertEquals(string2, node2.removeProperty(key2));
    assertEquals(string1, rel.removeProperty(key2));
    assertTrue(node1.removeProperty(arrayKey) != null);
    assertTrue(node2.removeProperty(arrayKey) != null);
    assertTrue(rel.removeProperty(arrayKey) != null);
}

Example 64 with Node

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

the class TestNeo4jCacheAndPersistence method testNodeChangeProperty.

@Test
public void testNodeChangeProperty() {
    Node node1 = getGraphDb().getNodeById(node1Id);
    Node node2 = getGraphDb().getNodeById(node2Id);
    Relationship rel = node1.getSingleRelationship(MyRelTypes.TEST, Direction.BOTH);
    // test change property
    node1.setProperty(key1, int2);
    node2.setProperty(key1, int1);
    rel.setProperty(key1, int2);
    int[] newIntArray = new int[] { 3, 2, 1 };
    node1.setProperty(arrayKey, newIntArray);
    node2.setProperty(arrayKey, newIntArray);
    rel.setProperty(arrayKey, newIntArray);
}

Example 65 with Node

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

the class TestNeo4jCacheAndPersistence method testNodeGetProperties.

@Test
public void testNodeGetProperties() {
    Node node1 = getGraphDb().getNodeById(node1Id);
    assertTrue(!node1.hasProperty(null));
    Iterator<String> keys = node1.getPropertyKeys().iterator();
    keys.next();
    keys.next();
    assertTrue(node1.hasProperty(key1));
    assertTrue(node1.hasProperty(key2));
}