Examples of org.apache.activemq.broker.region.MessageReference

Package org.apache.activemq.broker.region

Examples of org.apache.activemq.broker.region.MessageReference

org.apache.activemq.broker.region.MessageReference
Keeps track of a message that is flowing through the Broker. This object may hold a hard reference to the message or only hold the id of the message if the message has been persisted on in a MessageStore. @version $Revision: 1.15 $


    @Override
    public synchronized void destroy() throws Exception {
        stop();
        for (Iterator<MessageReference> i = memoryList.iterator(); i.hasNext();) {
            MessageReference node = i.next();
            node.decrementReferenceCount();
        }
        memoryList.clear();
        destroyDiskList();
    }

View Full Code Here

    @Override
    public synchronized LinkedList<MessageReference> pageInList(int maxItems) {
        LinkedList<MessageReference> result = new LinkedList<MessageReference>();
        int count = 0;
        for (Iterator<MessageReference> i = memoryList.iterator(); i.hasNext() && count < maxItems;) {
            MessageReference ref = i.next();
            ref.incrementReferenceCount();
            result.add(ref);
            count++;
        }
        if (count < maxItems && !isDiskListEmpty()) {
            for (Iterator<MessageReference> i = new DiskIterator(); i.hasNext() && count < maxItems;) {

View Full Code Here

    /**
     * @return the next pending message
     */
    @Override
    public synchronized MessageReference next() {
        MessageReference reference = iter.next();
        last = reference;
        if (!isDiskListEmpty()) {
            // got from disk
            reference.getMessage().setRegionDestination(regionDestination);
            reference.getMessage().setMemoryUsage(this.getSystemUsage().getMemoryUsage());
        }
        reference.incrementReferenceCount();
        return reference;
    }

View Full Code Here

    }


    protected synchronized void expireOldMessages() {
        if (!memoryList.isEmpty()) {
            for (Iterator<MessageReference> iterator = memoryList.iterator(); iterator.hasNext();) {
                MessageReference node = iterator.next();
                if (node.isExpired()) {
                    node.decrementReferenceCount();
                    discardExpiredMessage(node);
                    iterator.remove();
                }
            }
        }

View Full Code Here

             if (LOG.isTraceEnabled()) {
                start = System.currentTimeMillis();
                LOG.trace("{}, flushToDisk() mem list size: {} {}", new Object[]{ name, memoryList.size(), (systemUsage != null ? systemUsage.getMemoryUsage() : "") });
             }
            for (Iterator<MessageReference> iterator = memoryList.iterator(); iterator.hasNext();) {
                MessageReference node = iterator.next();
                node.decrementReferenceCount();
                ByteSequence bs;
                try {
                    bs = getByteSequence(node.getMessage());
                    getDiskList().addLast(node.getMessageId().toString(), bs);
                } catch (IOException e) {
                    LOG.error("Failed to write to disk list", e);
                    throw new RuntimeException(e);
                }

View Full Code Here

        return this.iterator.hasNext();
    }
    
    
    public final synchronized MessageReference next() {
        MessageReference result = null;
        if (!this.batchList.isEmpty()&&this.iterator.hasNext()) {
            result = this.iterator.next();
        }
        last = result;
        if (result != null) {
            result.incrementReferenceCount();
        }
        return result;
    }

View Full Code Here

    }
    
    
    public synchronized void gc() {
        for (Iterator<MessageReference>i = batchList.iterator();i.hasNext();) {
            MessageReference msg = i.next();
            rollback(msg.getMessageId());
            msg.decrementReferenceCount();
        }
        batchList.clear();
        clearIterator(false);
        batchResetNeeded = true;
        setCacheEnabled(false);

View Full Code Here

       }
       return currentCursor != null ? currentCursor.hasNext() : false;
    }


    public synchronized MessageReference next() {
        MessageReference result = currentCursor != null ? currentCursor.next() : null;
        return result;
    }

View Full Code Here

            public boolean hasNext() {
                return next != null;
            }


            public MessageReference next() {
                MessageReference result = null;
                this.current = this.next;
                result = this.current.getMessage();
                this.next = (PendingNode) this.next.getNext();
                return result;
            }

View Full Code Here

        }
        return result;
    }


    public synchronized MessageReference next() {
        MessageReference result = currentCursor != null ? currentCursor.next() : null;
        return result;
    }

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of org.apache.activemq.broker.region.MessageReference

org.apache.activemq.broker.region.cursors.AbstractStoreCursor

org.apache.activemq.broker.region.cursors.FilePendingMessageCursor

org.apache.activemq.broker.region.cursors.FilePendingMessageCursorTest

org.apache.activemq.broker.region.cursors.OrderedPendingList

org.apache.activemq.broker.region.cursors.StoreDurableSubscriberCursor

org.apache.activemq.broker.region.cursors.StoreQueueCursor

org.apache.activemq.broker.region.cursors.StoreQueueCursorNoDuplicateTest

org.apache.activemq.broker.region.cursors.StoreQueueCursorOrderTest

org.apache.activemq.broker.region.cursors.VMPendingMessageCursor

org.apache.activemq.broker.region.policy.FixedCountSubscriptionRecoveryPolicy

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.