Examples with RecordId org.apache.jackrabbit.oak.segment.RecordId used on opensource projects

Example 11 with RecordId

use of org.apache.jackrabbit.oak.segment.RecordId in project jackrabbit-oak by apache.

the class TarRevisions method bind.

/**
 * Bind this instance to a store.
 * @param store              store to bind to
 * @param idProvider         {@code SegmentIdProvider} of the {@code store}
 * @param writeInitialNode   provider for the initial node in case the journal is empty.
 * @throws IOException
 */
synchronized void bind(@Nonnull SegmentStore store, @Nonnull SegmentIdProvider idProvider, @Nonnull Supplier<RecordId> writeInitialNode) throws IOException {
    if (head.get() != null) {
        return;
    }
    RecordId persistedId = findPersistedRecordId(store, idProvider, journalFile);
    if (persistedId == null) {
        head.set(writeInitialNode.get());
    } else {
        persistedHead.set(persistedId);
        head.set(persistedId);
    }
}

Example 12 with RecordId

use of org.apache.jackrabbit.oak.segment.RecordId in project jackrabbit-oak by apache.

the class TarRevisionsTest method concurrentSetHeadFromFunction.

@Test
public void concurrentSetHeadFromFunction() throws InterruptedException, ExecutionException, TimeoutException {
    ListeningExecutorService executor = listeningDecorator(newFixedThreadPool(2));
    try {
        ListenableFuture<Boolean> t1 = executor.submit(new Callable<Boolean>() {

            @Override
            public Boolean call() throws Exception {
                return null != revisions.setHead(new Function<RecordId, RecordId>() {

                    @Nullable
                    @Override
                    public RecordId apply(RecordId headId) {
                        return addChild(reader.readNode(headId), "a").getRecordId();
                    }
                });
            }
        });
        ListenableFuture<Boolean> t2 = executor.submit(new Callable<Boolean>() {

            @Override
            public Boolean call() throws Exception {
                return null != revisions.setHead(new Function<RecordId, RecordId>() {

                    @Nullable
                    @Override
                    public RecordId apply(RecordId headId) {
                        return addChild(reader.readNode(headId), "b").getRecordId();
                    }
                });
            }
        });
        assertTrue(t1.get(500, MILLISECONDS));
        assertTrue(t2.get(500, MILLISECONDS));
        SegmentNodeState root = reader.readNode(revisions.getHead());
        assertTrue(root.hasChildNode("a"));
        assertTrue(root.hasChildNode("b"));
    } finally {
        executor.shutdown();
    }
}

Example 13 with RecordId

use of org.apache.jackrabbit.oak.segment.RecordId in project jackrabbit-oak by apache.

the class LockBasedSchedulerTest method testSimulatedRaceOnRevisions.

/**
 * OAK-7162
 *
 * This test guards against race conditions which may happen when the head
 * state in {@link Revisions} is changed from outside the scheduler. If a
 * race condition happens at that point, data from a single commit will be
 * lost.
 */
@Test
public void testSimulatedRaceOnRevisions() throws Exception {
    final MemoryStore ms = new MemoryStore();
    StatisticsProvider statsProvider = StatisticsProvider.NOOP;
    SegmentNodeStoreStats stats = new SegmentNodeStoreStats(statsProvider);
    final LockBasedScheduler scheduler = LockBasedScheduler.builder(ms.getRevisions(), ms.getReader(), stats).build();
    final RecordId initialHead = ms.getRevisions().getHead();
    ExecutorService executorService = newFixedThreadPool(10);
    final AtomicInteger count = new AtomicInteger();
    final Random rand = new Random();
    try {
        Callable<PropertyState> commitTask = new Callable<PropertyState>() {

            @Override
            public PropertyState call() throws Exception {
                String property = "prop" + count.incrementAndGet();
                Commit commit = createCommit(scheduler, property, "value");
                SegmentNodeState result = (SegmentNodeState) scheduler.schedule(commit);
                return result.getProperty(property);
            }
        };
        Callable<Void> parallelTask = new Callable<Void>() {

            @Override
            public Void call() throws Exception {
                Thread.sleep(rand.nextInt(10));
                ms.getRevisions().setHead(ms.getRevisions().getHead(), initialHead);
                return null;
            }
        };
        List<Future<?>> results = newArrayList();
        for (int i = 0; i < 100; i++) {
            results.add(executorService.submit(commitTask));
            executorService.submit(parallelTask);
        }
        for (Future<?> result : results) {
            assertNotNull("PropertyState must not be null! The corresponding commit got lost because of a race condition.", result.get());
        }
    } finally {
        new ExecutorCloser(executorService).close();
    }
}

Example 14 with RecordId

use of org.apache.jackrabbit.oak.segment.RecordId in project jackrabbit-oak by apache.

the class CheckRepositoryTestBase method corruptPathFromCheckpoint.

protected void corruptPathFromCheckpoint() throws InvalidFileStoreVersionException, IOException {
    FileStore fileStore = FileStoreBuilder.fileStoreBuilder(temporaryFolder.getRoot()).withMaxFileSize(256).withSegmentCacheSize(64).build();
    SegmentNodeStore nodeStore = SegmentNodeStoreBuilders.builder(fileStore).build();
    SegmentNodeState cp1 = (SegmentNodeState) nodeStore.retrieve(checkpoints.iterator().next());
    RecordId bRecordId = ((SegmentNodeState) cp1.getChildNode("b")).getRecordId();
    fileStore.close();
    corruptRecord(bRecordId, "data00000a.tar");
}

Example 15 with RecordId

use of org.apache.jackrabbit.oak.segment.RecordId in project jackrabbit-oak by apache.

the class DefaultStandbyReferenceReaderTest method shouldReturnEmptyReferences.

@Test
public void shouldReturnEmptyReferences() throws Exception {
    try (FileStore store = newFileStore()) {
        SegmentWriter writer = defaultSegmentWriterBuilder("test").build(store);
        RecordId id = writer.writeNode(EmptyNodeState.EMPTY_NODE);
        writer.flush();
        DefaultStandbyReferencesReader reader = new DefaultStandbyReferencesReader(store);
        Iterable<String> references = reader.readReferences(id.getSegmentId().asUUID().toString());
        assertFalse(references.iterator().hasNext());
    }
}