Examples with PagedReference org.apache.activemq.artemis.core.paging.cursor.PagedReference used on opensource projects

Example 6 with PagedReference

use of org.apache.activemq.artemis.core.paging.cursor.PagedReference in project activemq-artemis by apache.

the class PageCursorStressTest method testConsumeLivePageMultiThread.

@Test
public void testConsumeLivePageMultiThread() throws Exception {
    final PagingStoreImpl pageStore = lookupPageStore(ADDRESS);
    pageStore.startPaging();
    final int NUM_TX = 100;
    final int MSGS_TX = 100;
    final int TOTAL_MSG = NUM_TX * MSGS_TX;
    final int messageSize = 1024;
    PageCursorProvider cursorProvider = this.server.getPagingManager().getPageStore(ADDRESS).getCursorProvider();
    System.out.println("cursorProvider = " + cursorProvider);
    PageSubscription cursor = this.server.getPagingManager().getPageStore(ADDRESS).getCursorProvider().getSubscription(queue.getID());
    System.out.println("Cursor: " + cursor);
    final StorageManager storage = this.server.getStorageManager();
    final AtomicInteger exceptions = new AtomicInteger(0);
    Thread t1 = new Thread() {

        @Override
        public void run() {
            try {
                int count = 0;
                for (int txCount = 0; txCount < NUM_TX; txCount++) {
                    Transaction tx = null;
                    if (txCount % 2 == 0) {
                        tx = new TransactionImpl(storage);
                    }
                    RoutingContext ctx = generateCTX(tx);
                    for (int i = 0; i < MSGS_TX; i++) {
                        // System.out.println("Sending " + count);
                        ActiveMQBuffer buffer = RandomUtil.randomBuffer(messageSize, count);
                        Message msg = new CoreMessage(i, buffer.writerIndex());
                        msg.putIntProperty("key", count++);
                        msg.getBodyBuffer().writeBytes(buffer, 0, buffer.writerIndex());
                        Assert.assertTrue(pageStore.page(msg, ctx.getTransaction(), ctx.getContextListing(ADDRESS), lock));
                    }
                    if (tx != null) {
                        tx.commit();
                    }
                }
            } catch (Throwable e) {
                e.printStackTrace();
                exceptions.incrementAndGet();
            }
        }
    };
    t1.start();
    LinkedListIterator<PagedReference> iterator = cursor.iterator();
    for (int i = 0; i < TOTAL_MSG; i++) {
        assertEquals(0, exceptions.get());
        PagedReference ref = null;
        for (int repeat = 0; repeat < 5; repeat++) {
            ref = iterator.next();
            if (ref == null) {
                Thread.sleep(1000);
            } else {
                break;
            }
        }
        assertNotNull(ref);
        ref.acknowledge();
        assertNotNull(ref);
        System.out.println("Consuming " + ref.getMessage().getIntProperty("key"));
    // assertEquals(i, ref.getMessage().getIntProperty("key").intValue());
    }
    assertEquals(0, exceptions.get());
}

Example 7 with PagedReference

use of org.apache.activemq.artemis.core.paging.cursor.PagedReference in project activemq-artemis by apache.

the class PageCursorStressTest method testRestartWithHoleOnAckAndTransaction.

@Test
public void testRestartWithHoleOnAckAndTransaction() throws Exception {
    final int NUM_MESSAGES = 1000;
    int numberOfPages = addMessages(NUM_MESSAGES, 10 * 1024);
    System.out.println("Number of pages = " + numberOfPages);
    PageCursorProvider cursorProvider = this.server.getPagingManager().getPageStore(ADDRESS).getCursorProvider();
    System.out.println("cursorProvider = " + cursorProvider);
    PageSubscription cursor = this.server.getPagingManager().getPageStore(ADDRESS).getCursorProvider().getSubscription(queue.getID());
    System.out.println("Cursor: " + cursor);
    Transaction tx = new TransactionImpl(server.getStorageManager(), 60 * 1000);
    LinkedListIterator<PagedReference> iterator = cursor.iterator();
    for (int i = 0; i < 100; i++) {
        PagedReference msg = iterator.next();
        assertEquals(i, msg.getMessage().getIntProperty("key").intValue());
        if (i < 10 || i > 20) {
            cursor.ackTx(tx, msg);
        }
    }
    tx.commit();
    server.stop();
    OperationContextImpl.clearContext();
    server.start();
    cursor = this.server.getPagingManager().getPageStore(ADDRESS).getCursorProvider().getSubscription(queue.getID());
    tx = new TransactionImpl(server.getStorageManager(), 60 * 1000);
    iterator = cursor.iterator();
    for (int i = 10; i <= 20; i++) {
        PagedReference msg = iterator.next();
        assertEquals(i, msg.getMessage().getIntProperty("key").intValue());
        cursor.ackTx(tx, msg);
    }
    for (int i = 100; i < NUM_MESSAGES; i++) {
        PagedReference msg = iterator.next();
        assertEquals(i, msg.getMessage().getIntProperty("key").intValue());
        cursor.ackTx(tx, msg);
    }
    tx.commit();
    server.stop();
    createServer();
    waitCleanup();
    assertEquals(1, lookupPageStore(ADDRESS).getNumberOfPages());
}

Example 8 with PagedReference

use of org.apache.activemq.artemis.core.paging.cursor.PagedReference in project activemq-artemis by apache.

the class PageCursorStressTest method testSimpleCursorWithFilter.

@Test
public void testSimpleCursorWithFilter() throws Exception {
    final int NUM_MESSAGES = 100;
    PageSubscription cursorEven = createNonPersistentCursor(new Filter() {

        @Override
        public boolean match(Message message) {
            Boolean property = message.getBooleanProperty("even");
            if (property == null) {
                return false;
            } else {
                return property.booleanValue();
            }
        }

        @Override
        public SimpleString getFilterString() {
            return new SimpleString("even=true");
        }
    });
    PageSubscription cursorOdd = createNonPersistentCursor(new Filter() {

        @Override
        public boolean match(Message message) {
            Boolean property = message.getBooleanProperty("even");
            if (property == null) {
                return false;
            } else {
                return !property.booleanValue();
            }
        }

        @Override
        public SimpleString getFilterString() {
            return new SimpleString("even=true");
        }
    });
    int numberOfPages = addMessages(NUM_MESSAGES, 1024 * 1024);
    System.out.println("NumberOfPages = " + numberOfPages);
    queue.getPageSubscription().destroy();
    PagedReference msg;
    LinkedListIterator<PagedReference> iteratorEven = cursorEven.iterator();
    LinkedListIterator<PagedReference> iteratorOdd = cursorOdd.iterator();
    int key = 0;
    while ((msg = iteratorEven.next()) != null) {
        System.out.println("Received" + msg);
        assertEquals(key, msg.getMessage().getIntProperty("key").intValue());
        assertTrue(msg.getMessage().getBooleanProperty("even").booleanValue());
        key += 2;
        cursorEven.confirmPosition(msg.getPosition());
    }
    assertEquals(NUM_MESSAGES, key);
    key = 1;
    while ((msg = iteratorOdd.next()) != null) {
        assertEquals(key, msg.getMessage().getIntProperty("key").intValue());
        assertFalse(msg.getMessage().getBooleanProperty("even").booleanValue());
        key += 2;
        cursorOdd.confirmPosition(msg.getPosition());
    }
    assertEquals(NUM_MESSAGES + 1, key);
    forceGC();
    // assertTrue(lookupCursorProvider().getCacheSize() < numberOfPages);
    server.stop();
    createServer();
    waitCleanup();
    assertEquals(1, lookupPageStore(ADDRESS).getNumberOfPages());
}

Example 9 with PagedReference

use of org.apache.activemq.artemis.core.paging.cursor.PagedReference in project activemq-artemis by apache.

the class PageCursorStressTest method testMultipleIterators.

@Test
public void testMultipleIterators() throws Exception {
    final int NUM_MESSAGES = 10;
    int numberOfPages = addMessages(NUM_MESSAGES, 1024 * 1024);
    System.out.println("NumberOfPages = " + numberOfPages);
    PageCursorProvider cursorProvider = lookupCursorProvider();
    PageSubscription cursor = cursorProvider.getSubscription(queue.getID());
    LinkedListIterator<PagedReference> iter = cursor.iterator();
    LinkedListIterator<PagedReference> iter2 = cursor.iterator();
    assertTrue(iter.hasNext());
    PagedReference msg1 = iter.next();
    PagedReference msg2 = iter2.next();
    assertEquals(tstProperty(msg1.getMessage()), tstProperty(msg2.getMessage()));
    System.out.println("property = " + tstProperty(msg1.getMessage()));
    msg1 = iter.next();
    assertEquals(1, tstProperty(msg1.getMessage()));
    iter.remove();
    msg2 = iter2.next();
    assertEquals(2, tstProperty(msg2.getMessage()));
    iter2.repeat();
    msg2 = iter2.next();
    assertEquals(2, tstProperty(msg2.getMessage()));
    iter2.repeat();
    assertEquals(2, tstProperty(msg2.getMessage()));
    msg1 = iter.next();
    assertEquals(2, tstProperty(msg1.getMessage()));
    iter.repeat();
    msg1 = iter.next();
    assertEquals(2, tstProperty(msg1.getMessage()));
    assertTrue(iter2.hasNext());
}

Example 10 with PagedReference

use of org.apache.activemq.artemis.core.paging.cursor.PagedReference in project activemq-artemis by apache.

the class QueueImpl method iterQueue.

/**
 * This is a generic method for any method interacting on the Queue to move or delete messages
 * Instead of duplicate the feature we created an abstract class where you pass the logic for
 * each message.
 *
 * @param filter1
 * @param messageAction
 * @return
 * @throws Exception
 */
private synchronized int iterQueue(final int flushLimit, final Filter filter1, QueueIterateAction messageAction) throws Exception {
    int count = 0;
    int txCount = 0;
    Transaction tx = new TransactionImpl(storageManager);
    try (LinkedListIterator<MessageReference> iter = iterator()) {
        while (iter.hasNext()) {
            MessageReference ref = iter.next();
            if (ref.isPaged() && queueDestroyed) {
                // page cleanup
                continue;
            }
            if (filter1 == null || filter1.match(ref.getMessage())) {
                messageAction.actMessage(tx, ref);
                iter.remove();
                txCount++;
                count++;
            }
        }
        if (txCount > 0) {
            tx.commit();
            tx = new TransactionImpl(storageManager);
            txCount = 0;
        }
        List<MessageReference> cancelled = scheduledDeliveryHandler.cancel(filter1);
        for (MessageReference messageReference : cancelled) {
            messageAction.actMessage(tx, messageReference);
            count++;
            txCount++;
        }
        if (txCount > 0) {
            tx.commit();
            tx = new TransactionImpl(storageManager);
            txCount = 0;
        }
        if (pageIterator != null && !queueDestroyed) {
            while (pageIterator.hasNext()) {
                PagedReference reference = pageIterator.next();
                pageIterator.remove();
                if (filter1 == null || filter1.match(reference.getMessage())) {
                    count++;
                    txCount++;
                    messageAction.actMessage(tx, reference, false);
                } else {
                    addTail(reference, false);
                }
                if (txCount > 0 && txCount % flushLimit == 0) {
                    tx.commit();
                    tx = new TransactionImpl(storageManager);
                    txCount = 0;
                }
            }
        }
        if (txCount > 0) {
            tx.commit();
            tx = null;
        }
        if (filter != null && !queueDestroyed && pageSubscription != null) {
            scheduleDepage(false);
        }
        return count;
    }
}