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

Example 51 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestNeo4jCacheAndPersistence method createTestingGraph.

@Before
public void createTestingGraph() {
    Node node1 = getGraphDb().createNode();
    Node node2 = getGraphDb().createNode();
    Relationship rel = node1.createRelationshipTo(node2, MyRelTypes.TEST);
    node1Id = node1.getId();
    node2Id = node2.getId();
    node1.setProperty(key1, int1);
    node1.setProperty(key2, string1);
    node2.setProperty(key1, int2);
    node2.setProperty(key2, string2);
    rel.setProperty(key1, int1);
    rel.setProperty(key2, string1);
    node1.setProperty(arrayKey, array);
    node2.setProperty(arrayKey, array);
    rel.setProperty(arrayKey, array);
    Transaction tx = getTransaction();
    tx.success();
    tx.finish();
    NodeManager nodeManager = ((EmbeddedGraphDatabase) getGraphDb()).getConfig().getGraphDbModule().getNodeManager();
    nodeManager.clearCache();
    tx = getGraphDb().beginTx();
    setTransaction(tx);
}

Example 52 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestNeo4jConstrains method testMultipleDeleteRelationship.

@Test
public void testMultipleDeleteRelationship() {
    Node node1 = getGraphDb().createNode();
    Node node2 = getGraphDb().createNode();
    Relationship rel = node1.createRelationshipTo(node2, MyRelTypes.TEST);
    rel.delete();
    node1.delete();
    node2.delete();
    try {
        rel.delete();
        Transaction tx = getTransaction();
        tx.success();
        tx.finish();
        fail("Should not validate");
    } catch (Exception e) {
    // ok
    }
}

Example 53 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestExceptionTypeOnInvalidIds method getRelationshipById.

private void getRelationshipById(long index) {
    Relationship value = graphdb.getRelationshipById(index);
    fail(String.format("Returned Relationship [0x%x] for index 0x%x (int value: 0x%x)", value.getId(), index, (int) index));
}

Example 54 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestExceptionTypeOnInvalidIds method getRelationshipByIdReadOnly.

private void getRelationshipByIdReadOnly(long index) {
    Relationship value = graphDbReadOnly.getRelationshipById(index);
    fail(String.format("Returned Relationship [0x%x] for index 0x%x (int value: 0x%x)", value.getId(), index, (int) index));
}

Example 55 with Relationship

use of org.neo4j.graphdb.Relationship in project graphdb by neo4j-attic.

the class TestIsolation method testSimpleTransactionIsolation.

@Test
public void testSimpleTransactionIsolation() {
    commit();
    final CountDownLatch latch1 = new CountDownLatch(1);
    final CountDownLatch latch2 = new CountDownLatch(1);
    Transaction tx = getGraphDb().beginTx();
    Node n1, n2;
    Relationship r1;
    try {
        n1 = getGraphDb().createNode();
        n2 = getGraphDb().createNode();
        r1 = n1.createRelationshipTo(n2, DynamicRelationshipType.withName("TEST"));
        tx.success();
    } finally {
        tx.finish();
    }
    final Node node1 = n1;
    final Node node2 = n2;
    final Relationship rel1 = r1;
    tx = getGraphDb().beginTx();
    try {
        node1.setProperty("key", "old");
        rel1.setProperty("key", "old");
        tx.success();
    } finally {
        tx.finish();
    }
    assertPropertyEqual(node1, "key", "old");
    assertPropertyEqual(rel1, "key", "old");
    assertRelationshipCount(node1, 1);
    assertRelationshipCount(node2, 1);
    Thread t1 = new Thread(new Runnable() {

        public void run() {
            Transaction tx = getGraphDb().beginTx();
            try {
                node1.setProperty("key", "new");
                rel1.setProperty("key", "new");
                node1.createRelationshipTo(node2, DynamicRelationshipType.withName("TEST"));
                assertPropertyEqual(node1, "key", "new");
                assertPropertyEqual(rel1, "key", "new");
                assertRelationshipCount(node1, 2);
                assertRelationshipCount(node2, 2);
                latch1.countDown();
                latch2.await();
                assertPropertyEqual(node1, "key", "new");
                assertPropertyEqual(rel1, "key", "new");
                assertRelationshipCount(node1, 2);
                assertRelationshipCount(node2, 2);
            // no tx.success();
            } catch (InterruptedException e) {
                e.printStackTrace();
                Thread.interrupted();
            } finally {
                tx.finish();
                assertPropertyEqual(node1, "key", "old");
                assertPropertyEqual(rel1, "key", "old");
                assertRelationshipCount(node1, 1);
                assertRelationshipCount(node2, 1);
            }
        }
    });
    t1.start();
    try {
        latch1.await();
    } catch (InterruptedException e) {
        Thread.interrupted();
    }
    assertPropertyEqual(node1, "key", "old");
    assertPropertyEqual(rel1, "key", "old");
    assertRelationshipCount(node1, 1);
    assertRelationshipCount(node2, 1);
    latch2.countDown();
    try {
        t1.join();
    } catch (InterruptedException e) {
        Thread.interrupted();
    }
    assertPropertyEqual(node1, "key", "old");
    assertPropertyEqual(rel1, "key", "old");
    assertRelationshipCount(node1, 1);
    assertRelationshipCount(node2, 1);
    tx = getGraphDb().beginTx();
    try {
        for (Relationship rel : node1.getRelationships()) {
            rel.delete();
        }
        node1.delete();
        node2.delete();
        tx.success();
    } finally {
        tx.finish();
    }
}