Examples with Transaction org.structr.api.Transaction used on opensource projects

Example 1 with Transaction

use of org.structr.api.Transaction in project structr by structr.

the class MaintenanceTest method testBulkCreateLabelsCommand.

@Test
public void testBulkCreateLabelsCommand() {
    try {
        final DatabaseService graphDb = app.getDatabaseService();
        final Set<Label> expectedLabels = new LinkedHashSet<>();
        expectedLabels.add(graphDb.forName(Label.class, "Principal"));
        expectedLabels.add(graphDb.forName(Label.class, "Group"));
        expectedLabels.add(graphDb.forName(Label.class, "AccessControllable"));
        expectedLabels.add(graphDb.forName(Label.class, "AbstractNode"));
        expectedLabels.add(graphDb.forName(Label.class, "NodeInterface"));
        expectedLabels.add(graphDb.forName(Label.class, "CMISInfo"));
        expectedLabels.add(graphDb.forName(Label.class, "CMISItemInfo"));
        if (graphDb.getTenantIdentifier() != null) {
            expectedLabels.add(graphDb.forName(Label.class, graphDb.getTenantIdentifier()));
        }
        // intentionally create raw Neo4j transaction and create nodes in there
        try (Transaction tx = graphDb.beginTx()) {
            for (int i = 0; i < 100; i++) {
                final Node test = graphDb.createNode(Collections.EMPTY_SET, Collections.EMPTY_MAP);
                // set ID and type so that the rebuild index command identifies it as a Structr node.
                test.setProperty("type", "Group");
                test.setProperty("id", UUID.randomUUID().toString().replace("-", ""));
            }
            // this is important.... :)
            tx.success();
        }
        /*
			 * This test will fail with the new Neo4j 3.0 Bolt interface, because
			 * there is no separation between a (Lucene-based) index and the
			 * database values any more. Nodes are selected by their 'type'
			 * property and will always be found even if NOT created using Structr
			 * methods.
			// nodes should not be found yet..
			try (final Tx tx = app.tx()) {

				// check nodes, we should find no Groups here
				assertEquals(0, app.nodeQuery(Group.class).getResult().size());
			}
			 */
        // test rebuild index and create labels
        // app.command(BulkRebuildIndexCommand.class).execute(new LinkedHashMap<>());
        app.command(BulkCreateLabelsCommand.class).execute(new LinkedHashMap<>());
        // nodes should now be visible to Structr
        try (final Tx tx = app.tx()) {
            // check nodes, we should find 100 Groups here
            assertEquals(100, app.nodeQuery(Group.class).getResult().size());
            // check nodes
            for (final Group group : app.nodeQuery(Group.class)) {
                final Set<Label> labels = Iterables.toSet(group.getNode().getLabels());
                assertEquals("Invalid number of labels", expectedLabels.size(), labels.size());
                assertTrue("Invalid labels found", labels.containsAll(expectedLabels));
            }
            tx.success();
        }
    } catch (FrameworkException fex) {
        logger.warn("", fex);
        fail("Unexpected exception.");
    }
}

Example 2 with Transaction

use of org.structr.api.Transaction in project structr by structr.

the class NodeWrapperTest method testBasicTransactions.

@Test
public void testBasicTransactions() {
    try {
        Settings.DatabasePath.setValue(Files.createTempDirectory("structr-test").toFile().getAbsolutePath());
        Settings.ConnectionUrl.setValue(Settings.TestingConnectionUrl.getValue());
    } catch (IOException ioex) {
        logger.warn("", ioex);
    }
    final BoltDatabaseService s = new BoltDatabaseService();
    s.initialize();
    long id = 0L;
    // create new node
    try (final Transaction tx = s.beginTx()) {
        final Node node = s.createNode(Collections.EMPTY_SET, Collections.EMPTY_MAP);
        id = node.getId();
        tx.success();
    }
    // set property
    try (final Transaction tx = s.beginTx()) {
        final Node node = s.getNodeById(id);
        Assert.assertNotNull(node);
        node.setProperty("name", "Test");
        tx.success();
    }
    // set property and don't commit transaction
    try (final Transaction tx = s.beginTx()) {
        final Node node = s.getNodeById(id);
        Assert.assertNotNull(node);
        node.setProperty("name", "Fail");
    }
    // check property value
    try (final Transaction tx = s.beginTx()) {
        final Node node = s.getNodeById(id);
        Assert.assertNotNull(node);
        Assert.assertEquals("Invalid setProperty result", "Test", node.getProperty("name"));
        tx.success();
    }
    // remove property
    try (final Transaction tx = s.beginTx()) {
        final Node node = s.getNodeById(id);
        Assert.assertNotNull(node);
        node.removeProperty("name");
        tx.success();
    }
    // check property value
    try (final Transaction tx = s.beginTx()) {
        final Node node = s.getNodeById(id);
        Assert.assertNotNull(node);
        Assert.assertNull("Invalid removeProperty result", node.getProperty("name"));
        node.setProperty("key1", "value1");
        node.setProperty("key2", 2);
        final Iterable<String> keys = node.getPropertyKeys();
        final List<String> list = Iterables.toList(keys);
        Assert.assertEquals("Invalid getPropertyKeys result", 2, list.size());
        Assert.assertEquals("Invalid getPropertyKeys result", "key1", list.get(0));
        Assert.assertEquals("Invalid getPropertyKeys result", "key2", list.get(1));
        tx.success();
    }
    s.shutdown();
}

Example 3 with Transaction

use of org.structr.api.Transaction in project structr by structr.

the class NodeService method initialize.

@Override
public boolean initialize(final StructrServices services) throws ClassNotFoundException, InstantiationException, IllegalAccessException {
    final String databaseDriver = Settings.DatabaseDriver.getValue();
    graphDb = (DatabaseService) Class.forName(databaseDriver).newInstance();
    if (graphDb != null) {
        if (graphDb.initialize()) {
            filesPath = Settings.FilesPath.getValue();
            // check existence of files path
            File files = new File(filesPath);
            if (!files.exists()) {
                files.mkdir();
            }
            logger.info("Database driver loaded, initializing indexes..");
            // index creation transaction
            try (final Transaction tx = graphDb.beginTx()) {
                nodeIndex = graphDb.nodeIndex();
                relIndex = graphDb.relationshipIndex();
                tx.success();
                // if the above operations fail, the database is probably not available
                isInitialized = true;
                logger.info("Indexes successfully initialized.");
            } catch (Throwable t) {
                logger.warn("Error while initializing indexes: {}", t.getMessage());
            }
        }
    }
    return isInitialized;
}

Example 4 with Transaction

use of org.structr.api.Transaction in project structr by structr.

the class NodeWrapperTest method testDeleteException.

@Test
public void testDeleteException() {
    try {
        Settings.DatabasePath.setValue(Files.createTempDirectory("structr-test").toFile().getAbsolutePath());
        Settings.ConnectionUrl.setValue(Settings.TestingConnectionUrl.getValue());
    } catch (IOException ioex) {
        logger.warn("", ioex);
    }
    final BoltDatabaseService s = new BoltDatabaseService();
    s.initialize();
    // create new node
    try (final Transaction tx = s.beginTx()) {
        final Node node1 = s.createNode(Collections.EMPTY_SET, Collections.EMPTY_MAP);
        final Node node2 = s.createNode(Collections.EMPTY_SET, Collections.EMPTY_MAP);
        final Relationship rel = node1.createRelationshipTo(node2, s.forName(RelationshipType.class, "TEST"));
        rel.delete();
        tx.success();
    } catch (Throwable t) {
        t.printStackTrace();
        fail("Unexpected exception.");
    }
    s.shutdown();
}