Package org.apache.activemq.kaha

Examples of org.apache.activemq.kaha.StoreEntry

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    public void removeMessage(ConnectionContext context, MessageAck ack) throws IOException {
        lock.lock();
        try {
            MessageId msgId = ack.getLastMessageId();
            StoreEntry entry = messageContainer.getEntry(msgId);
            if (entry != null) {
                ReferenceRecord rr = messageContainer.remove(msgId);
                if (rr != null) {
                    removeInterest(rr);
                    if (ack instanceof MessageAckWithLocation) {
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                Index index = openIndex(name);
                long counter = 0;
                while (!shutdown.get()) {
                    long c = counter;
                    String key = "a-long-message-id-like-key-" + c;
                    StoreEntry record;
                    record = index.get(key);
                    if (record != null) {
                        index.remove(key);
                        onConsumed(counter++);
                    } else {
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        lock.lock();
        try {
            final ReferenceRecord record = new ReferenceRecord(messageId.toString(), data);
            final int subscriberCount = subscriberMessages.size();
            if (subscriberCount > 0 && !isDuplicate(messageId)) {
                final StoreEntry messageEntry = messageContainer.place(messageId, record);
                addInterest(record);
                uniqueReferenceAdded = true;
                final TopicSubAck tsa = new TopicSubAck();
                tsa.setCount(subscriberCount);
                tsa.setMessageEntry(messageEntry);
                final StoreEntry ackEntry = ackContainer.placeLast(tsa);
                for (final Iterator<TopicSubContainer> i = subscriberMessages.values().iterator(); i.hasNext();) {
                    final TopicSubContainer container = i.next();
                    final ConsumerMessageRef ref = new ConsumerMessageRef();
                    ref.setAckEntry(ackEntry);
                    ref.setMessageEntry(messageEntry);
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            TopicSubContainer container = subscriberMessages.get(key);
            if (container != null) {
                ConsumerMessageRef ref = null;
                if((ref = container.remove(messageId)) != null) {
                    StoreEntry entry = ref.getAckEntry();
                    //ensure we get up to-date pointers
                    entry = ackContainer.refresh(entry);
                    TopicSubAck tsa = ackContainer.get(entry);
                    if (tsa != null) {
                        if (tsa.decrementCount() <= 0) {
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        lock.lock();
        try {
            TopicSubContainer container = subscriberMessages.get(key);
            if (container != null) {
                int count = 0;
                StoreEntry entry = container.getBatchEntry();
                if (entry == null) {
                    entry = container.getEntry();
                } else {
                    entry = container.refreshEntry(entry);
                    if (entry != null) {
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        return mapContainer.place(ref.getMessageId(),ref);
    }

    public ConsumerMessageRef remove(MessageId id) {
        ConsumerMessageRef result = null;
        StoreEntry entry = mapContainer.getEntry(id);
        if (entry != null) {
            result = (ConsumerMessageRef) mapContainer.getValue(entry);
            mapContainer.remove(entry);
            if (batchEntry != null && batchEntry.equals(entry)) {
                reset();
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    @Override
    public synchronized void addMessage(ConnectionContext context, Message message) throws IOException {
        int subscriberCount = subscriberMessages.size();
        if (subscriberCount > 0) {
            MessageId id = message.getMessageId();
            StoreEntry messageEntry = messageContainer.place(id, message);
            TopicSubAck tsa = new TopicSubAck();
            tsa.setCount(subscriberCount);
            tsa.setMessageEntry(messageEntry);
            StoreEntry ackEntry = ackContainer.placeLast(tsa);
            for (Iterator<TopicSubContainer> i = subscriberMessages.values().iterator(); i.hasNext();) {
                TopicSubContainer container = i.next();
                ConsumerMessageRef ref = new ConsumerMessageRef();
                ref.setAckEntry(ackEntry);
                ref.setMessageEntry(messageEntry);
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            }
            if (ref != null) {
                TopicSubAck tsa = ackContainer.get(ref.getAckEntry());
                if (tsa != null) {
                    if (tsa.decrementCount() <= 0) {
                        StoreEntry entry = ref.getAckEntry();
                        entry = ackContainer.refresh(entry);
                        ackContainer.remove(entry);
                        entry = tsa.getMessageEntry();
                        entry = messageContainer.refresh(entry);
                        messageContainer.remove(entry);
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                                    MessageRecoveryListener listener) throws Exception {
        String key = getSubscriptionKey(clientId, subscriptionName);
        TopicSubContainer container = subscriberMessages.get(key);
        if (container != null) {
            int count = 0;
            StoreEntry entry = container.getBatchEntry();
            if (entry == null) {
                entry = container.getEntry();
            } else {
                entry = container.refreshEntry(entry);
                if (entry != null) {
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     * @see org.apache.activemq.kaha.MapContainer#get(java.lang.Object)
     */
    public synchronized Object get(Object key) {
        load();
        Object result = null;
        StoreEntry item = null;
        try {
            item = index.get(key);
        } catch (IOException e) {
            LOG.error("Failed trying to get key: " + key, e);
            throw new RuntimeException(e);
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Related Classes of org.apache.activemq.kaha.StoreEntry

  • org.apache.activemq.kaha.impl.container.ContainerListIterator
  • org.apache.activemq.kaha.impl.container.ListContainerImpl
  • org.apache.activemq.kaha.impl.container.MapContainerImpl
  • org.apache.activemq.kaha.impl.index.DiskIndexLinkedList
  • org.apache.activemq.kaha.impl.index.hash.HashIndex
  • org.apache.activemq.kaha.impl.index.IndexBenchmark$Consumer
  • org.apache.activemq.kaha.impl.index.VMIndex
  • org.apache.activemq.kaha.impl.index.VMIndexLinkedList
  • org.apache.activemq.kaha.impl.IndexRootContainer
  • org.apache.activemq.store.kahadaptor.KahaMessageStore
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