Examples of org.apache.qpid.transport.RangeSet

org.apache.qpid.transport.RangeSet
RangeSet @author Rafael H. Schloming

        {
            return null;
        }
        else
        {
            RangeSet ranges = new RangeSet();
            for (int i = 0; i < count; i++)
            {
                ranges.add(readSequenceNo(), readSequenceNo());
            }
            return ranges;
        }
    }

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            case 0:
                return null;
            case 1:
                return Range.newInstance(readSequenceNo(), readSequenceNo());
            default:
                RangeSet ranges = RangeSetFactory.createRangeSet(count);
                for (int i = 0; i < count; i++)
                {
                    ranges.add(readSequenceNo(), readSequenceNo());
                }
                return ranges;
        }
    }

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     * @throws FailoverException
     */
    public void sendRecover() throws AMQException, FailoverException
    {
        // release all unacked messages
        RangeSet all = RangeSetFactory.createRangeSet();
        RangeSet delivered = gatherRangeSet(getUnacknowledgedMessageTags());
        RangeSet prefetched = gatherRangeSet(getPrefetchedMessageTags());
        for (Iterator<Range> deliveredIter = delivered.iterator(); deliveredIter.hasNext();)
        {
            Range range = deliveredIter.next();
            all.add(range);
        }
        for (Iterator<Range> prefetchedIter = prefetched.iterator(); prefetchedIter.hasNext();)
        {
            Range range = prefetchedIter.next();
            all.add(range);
        }
        flushProcessed(all, false);

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        sync();
    }


    private RangeSet gatherRangeSet(ConcurrentLinkedQueue<Long> messageTags)
    {
        RangeSet ranges = RangeSetFactory.createRangeSet();
        while (true)
        {
            Long tag = messageTags.poll();
            if (tag == null)
            {
                break;
            }


            ranges.add(tag.intValue());
        }


        return ranges;
    }

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     * @param requeue     always true
     */
    public void rejectMessage(long deliveryTag, boolean requeue)
    {
        // The value of requeue is always true
        RangeSet ranges = RangeSetFactory.createRangeSet();
        ranges.add((int) deliveryTag);
        flushProcessed(ranges, false);
        if (requeue)
        {
            getQpidSession().messageRelease(ranges);
        }

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        dest.setRoutingKey(new AMQShortString(dest.getSubject()));
    }
    
    protected void acknowledgeImpl()
    {
        RangeSet ranges = gatherRangeSet(getUnacknowledgedMessageTags());


        if(ranges.size() > 0 )
        {
            messageAcknowledge(ranges, true);
            getQpidSession().sync();
        }
    }

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        {
            List<Long> tags = consumer.drainReceiverQueueAndRetrieveDeliveryTags();
            getPrefetchedMessageTags().addAll(tags);
        }
        
        RangeSet delivered = gatherRangeSet(getUnacknowledgedMessageTags());
    RangeSet prefetched = gatherRangeSet(getPrefetchedMessageTags());
    RangeSet all = RangeSetFactory.createRangeSet(delivered.size()
          + prefetched.size());


    for (Iterator<Range> deliveredIter = delivered.iterator(); deliveredIter.hasNext();)
    {
      Range range = deliveredIter.next();
      all.add(range);
    }


    for (Iterator<Range> prefetchedIter = prefetched.iterator(); prefetchedIter.hasNext();)
    {
      Range range = prefetchedIter.next();
      all.add(range);
    }


    flushProcessed(all, false);
    getQpidSession().messageRelease(delivered,Option.SET_REDELIVERED);
    getQpidSession().messageRelease(prefetched);

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    {
        boolean result = false;


        final Acquired acq = _0_10session.getQpidSession().messageAcquire(Range.newInstance((int)message.getDeliveryTag())).get();


        final RangeSet acquired = acq.getTransfers();
        if (acquired != null && acquired.size() > 0)
        {
            result = true;
        }
        return result;
    }

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    @Override public void rollbackPendingMessages()
    {
        if (getSynchronousQueue().size() > 0)
        {
            RangeSet ranges = RangeSetFactory.createRangeSet();
            Iterator iterator = getSynchronousQueue().iterator();
            while (iterator.hasNext())
            {


                Object o = iterator.next();
                if (o instanceof AbstractJMSMessage)
                {
                    ranges.add((int) ((AbstractJMSMessage) o).getDeliveryTag());
                    iterator.remove();
                }
                else
                {
                    _logger.error("Queue contained a :" + o.getClass()

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     * @throws FailoverException
     */
    public void sendRecover() throws AMQException, FailoverException
    {
        // release all unack messages
        RangeSet ranges = new RangeSet();
        while (true)
        {
            Long tag = _unacknowledgedMessageTags.poll();
            if (tag == null)
            {
                break;
            }
            ranges.add((int) (long) tag);
        }
        getQpidSession().messageRelease(ranges, Option.SET_REDELIVERED);
        // We need to sync so that we get notify of an error.
        getQpidSession().sync();
        getCurrentException();

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