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

Example 66 with Node

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

the class TestNeo4jCacheAndPersistence method testAddCacheCleared.

@Test
public void testAddCacheCleared() {
    Node nodeA = getGraphDb().createNode();
    nodeA.setProperty("1", 1);
    Node nodeB = getGraphDb().createNode();
    Relationship rel = nodeA.createRelationshipTo(nodeB, MyRelTypes.TEST);
    rel.setProperty("1", 1);
    commit();
    newTransaction();
    nodeA.createRelationshipTo(nodeB, MyRelTypes.TEST);
    int count = 0;
    for (Relationship relToB : nodeA.getRelationships(MyRelTypes.TEST)) {
        count++;
    }
    assertEquals(2, count);
    nodeA.setProperty("2", 2);
    assertEquals(1, nodeA.getProperty("1"));
    rel.setProperty("2", 2);
    assertEquals(1, rel.getProperty("1"));
    // trigger empty load
    getGraphDb().getNodeById(nodeA.getId());
    getGraphDb().getRelationshipById(rel.getId());
    // apply COW maps
    commit();
    newTransaction();
    count = 0;
    for (Relationship relToB : nodeA.getRelationships(MyRelTypes.TEST)) {
        count++;
    }
    assertEquals(2, count);
    assertEquals(1, nodeA.getProperty("1"));
    assertEquals(1, rel.getProperty("1"));
    assertEquals(2, nodeA.getProperty("2"));
    assertEquals(2, rel.getProperty("2"));
}

Example 67 with Node

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

the class TestNeo4jCacheAndPersistence method testSameTxWithArray.

@Test
public void testSameTxWithArray() {
    commit();
    newTransaction();
    Node nodeA = getGraphDb().createNode();
    Node nodeB = getGraphDb().createNode();
    Relationship relA = nodeA.createRelationshipTo(nodeB, MyRelTypes.TEST);
    nodeA.setProperty(arrayKey, array);
    relA.setProperty(arrayKey, array);
    assertTrue(nodeA.getProperty(arrayKey) != null);
    assertTrue(relA.getProperty(arrayKey) != null);
    relA.delete();
    nodeA.delete();
    nodeB.delete();
}

Example 68 with Node

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

the class TestNeo4jCacheAndPersistence method testNodeMultiRemoveProperty.

@Test
public void testNodeMultiRemoveProperty() {
    Node node = getGraphDb().createNode();
    node.setProperty("key0", "0");
    node.setProperty("key1", "1");
    node.setProperty("key2", "2");
    node.setProperty("key3", "3");
    node.setProperty("key4", "4");
    newTransaction();
    node.removeProperty("key3");
    node.removeProperty("key2");
    node.removeProperty("key3");
    newTransaction();
    assertEquals("0", node.getProperty("key0"));
    assertEquals("1", node.getProperty("key1"));
    assertEquals("4", node.getProperty("key4"));
    assertTrue(!node.hasProperty("key2"));
    assertTrue(!node.hasProperty("key3"));
    node.delete();
}

Example 69 with Node

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

the class TestRelationship method testSimple2.

@Test
public void testSimple2() {
    Node node1 = getGraphDb().createNode();
    Node node2 = getGraphDb().createNode();
    for (int i = 0; i < 3; i++) {
        node1.createRelationshipTo(node2, MyRelTypes.TEST);
        node1.createRelationshipTo(node2, MyRelTypes.TEST_TRAVERSAL);
        node1.createRelationshipTo(node2, MyRelTypes.TEST2);
    }
    allGetRelationshipMethods(node1, Direction.OUTGOING);
    allGetRelationshipMethods(node2, Direction.INCOMING);
    newTransaction();
    allGetRelationshipMethods(node1, Direction.OUTGOING);
    allGetRelationshipMethods(node2, Direction.INCOMING);
    node1.getRelationships(MyRelTypes.TEST, Direction.OUTGOING).iterator().next().delete();
    node1.getRelationships(MyRelTypes.TEST_TRAVERSAL, Direction.OUTGOING).iterator().next().delete();
    node1.getRelationships(MyRelTypes.TEST2, Direction.OUTGOING).iterator().next().delete();
    node1.createRelationshipTo(node2, MyRelTypes.TEST);
    node1.createRelationshipTo(node2, MyRelTypes.TEST_TRAVERSAL);
    node1.createRelationshipTo(node2, MyRelTypes.TEST2);
    allGetRelationshipMethods(node1, Direction.OUTGOING);
    allGetRelationshipMethods(node2, Direction.INCOMING);
    newTransaction();
    allGetRelationshipMethods(node1, Direction.OUTGOING);
    allGetRelationshipMethods(node2, Direction.INCOMING);
    for (Relationship rel : node1.getRelationships()) {
        rel.delete();
    }
    node1.delete();
    node2.delete();
}

Example 70 with Node

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

the class TestRelationship method testDirectedRelationship.

@Test
public void testDirectedRelationship() {
    Node node1 = getGraphDb().createNode();
    Node node2 = getGraphDb().createNode();
    Relationship rel2 = node1.createRelationshipTo(node2, MyRelTypes.TEST);
    Relationship rel3 = node2.createRelationshipTo(node1, MyRelTypes.TEST);
    Node[] nodes = rel2.getNodes();
    assertEquals(2, nodes.length);
    assertTrue(nodes[0].equals(node1) && nodes[1].equals(node2));
    nodes = rel3.getNodes();
    assertEquals(2, nodes.length);
    assertTrue(nodes[0].equals(node2) && nodes[1].equals(node1));
    assertEquals(node1, rel2.getStartNode());
    assertEquals(node2, rel2.getEndNode());
    assertEquals(node2, rel3.getStartNode());
    assertEquals(node1, rel3.getEndNode());
    Relationship[] relArray = getRelationshipArray(node1.getRelationships(MyRelTypes.TEST, Direction.OUTGOING));
    assertEquals(1, relArray.length);
    assertEquals(rel2, relArray[0]);
    relArray = getRelationshipArray(node1.getRelationships(MyRelTypes.TEST, Direction.INCOMING));
    assertEquals(1, relArray.length);
    assertEquals(rel3, relArray[0]);
    relArray = getRelationshipArray(node2.getRelationships(MyRelTypes.TEST, Direction.OUTGOING));
    assertEquals(1, relArray.length);
    assertEquals(rel3, relArray[0]);
    relArray = getRelationshipArray(node2.getRelationships(MyRelTypes.TEST, Direction.INCOMING));
    assertEquals(1, relArray.length);
    assertEquals(rel2, relArray[0]);
    rel2.delete();
    rel3.delete();
    node1.delete();
    node2.delete();
}