Examples with GarbageCollector org.apache.jackrabbit.core.gc.GarbageCollector used on opensource projects

Example 6 with GarbageCollector

use of org.apache.jackrabbit.core.gc.GarbageCollector in project jackrabbit by apache.

the class GCEventListenerTest method doTestEventListener.

private void doTestEventListener(boolean allowPmScan) throws Exception {
    Node root = testRootNode;
    Session session = root.getSession();
    if (root.hasNode(TEST_NODE_NAME)) {
        root.getNode(TEST_NODE_NAME).remove();
        session.save();
    }
    Node test = root.addNode(TEST_NODE_NAME);
    Random random = new Random();
    byte[] data = new byte[10000];
    for (int i = 0; i < 10; i++) {
        Node n = test.addNode("x" + i);
        random.nextBytes(data);
        ValueFactory vf = session.getValueFactory();
        n.setProperty("data", vf.createBinary(new ByteArrayInputStream(data)));
        session.save();
        if (i % 2 == 0) {
            n.remove();
            session.save();
        }
    }
    session.save();
    SessionImpl si = (SessionImpl) session;
    DataStoreGarbageCollector gc = si.createDataStoreGarbageCollector();
    DataStore ds = ((GarbageCollector) gc).getDataStore();
    if (ds != null) {
        ds.clearInUse();
        boolean pmScan = gc.isPersistenceManagerScan();
        gc.setPersistenceManagerScan(allowPmScan);
        gotNullNode = false;
        gotNode = false;
        gc.setMarkEventListener(this);
        gc.mark();
        if (pmScan && allowPmScan) {
            assertTrue("PM scan without null Node", gotNullNode);
            assertFalse("PM scan, but got a real node", gotNode);
        } else {
            assertFalse("Not a PM scan - but got a null Node", gotNullNode);
            assertTrue("Not a PM scan - without a real node", gotNode);
        }
        int deleted = gc.sweep();
        LOG.debug("Deleted " + deleted);
        assertTrue("Should delete at least one item", deleted >= 0);
        gc.close();
    }
}

Example 7 with GarbageCollector

use of org.apache.jackrabbit.core.gc.GarbageCollector in project jackrabbit by apache.

the class GCSubtreeMoveTest method test.

public void test() {
    setupRepository();
    GarbageCollector garbageCollector = setupGarbageCollector();
    // To make sure even listener for NODE_ADDED is registered in GC.
    garbageCollector.setPersistenceManagerScan(false);
    assertEquals(0, getBinaryCount(garbageCollector));
    setupNodes();
    assertEquals(1, getBinaryCount(garbageCollector));
    garbageCollector.getDataStore().clearInUse();
    garbageCollector.setMarkEventListener(new MarkEventListener() {

        public void beforeScanning(Node node) throws RepositoryException {
            String path = node.getPath();
            if (path.startsWith("/node")) {
                log("Traversing: " + node.getPath());
            }
            if ("/node1".equals(node.getPath())) {
                String from = "/node2/node3";
                String to = "/node0/node3";
                log("Moving " + from + " -> " + to);
                sessionMover.move(from, to);
                sessionMover.save();
                sleepForFile();
            }
        }
    });
    try {
        garbageCollector.getDataStore().clearInUse();
        garbageCollector.mark();
        garbageCollector.stopScan();
        sleepForFile();
        int numberOfDeleted = garbageCollector.sweep();
        log("Number of deleted: " + numberOfDeleted);
        // Binary data should still be there.
        assertEquals(1, getBinaryCount(garbageCollector));
    } catch (RepositoryException e) {
        e.printStackTrace();
        failWithException(e);
    } finally {
        garbageCollector.close();
    }
}