Package jdbm.helper

Examples of jdbm.helper.Tuple

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    }

    public synchronized void start() throws JMSException {
        try {
            // lets iterate through all IDs from the
            Tuple tuple = new Tuple();
            Long lastSequenceNumber = null;
            TupleBrowser iter = getOrderedIndex().browse();
            while (iter.getNext(tuple)) {
                lastSequenceNumber = (Long) tuple.getKey();
            }
            if (lastSequenceNumber != null) {
                this.lastSequenceNumber = lastSequenceNumber.longValue();
                if (log.isDebugEnabled()) {
                    log.debug("Last sequence number is: " + lastSequenceNumber + " for: " + this);
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     * @return
     */
    protected Object findSequenceNumber(String messageID) throws IOException, AlreadyClosedException {
        log.warn("Having to table scan to find the sequence number for messageID: " + messageID);

        Tuple tuple = new Tuple();
        TupleBrowser iter = getOrderedIndex().browse();
        while (iter.getNext(tuple)) {
            Object value = tuple.getValue();
            if (messageID.equals(value)) {
                return tuple.getKey();
            }
        }
        return null;
    }
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        return null;
    }

    public void removeAllMessages() throws JMSException {
        try {
            Tuple tuple = new Tuple();
            TupleBrowser iter = getOrderedIndex().browse();
            while (iter.getNext(tuple)) {               
                Object sequenceID = tuple.getKey();
                MessageIdentity messageIdentity = null;
                if (sequenceID != null) {
                    String messageID = (String) tuple.getValue();
                    if (messageID != null) {
                        getMessageTable().remove(messageID);
                    }
                    getOrderedIndex().remove(sequenceID);
                }
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         }
      }

      // Browse the expiry and remove accordingly
      TupleBrowser browse = expiryTree.browse();
      Tuple tuple = new Tuple();
      List<Long> times = new ArrayList<Long>();
      List<Object> keys = new ArrayList<Object>();
      while (browse.getNext(tuple)) {
         Long time = (Long) tuple.getKey();
         if (time > System.currentTimeMillis())
            break;
         times.add(time);
         Object key = tuple.getValue();
         if (key instanceof List)
            keys.addAll((List) key);
         else
            keys.add(key);
      }
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         }
      }

      // Browse the expiry and remove accordingly
      TupleBrowser browse = expiryTree.browse();
      Tuple tuple = new Tuple();
      List<Long> times = new ArrayList<Long>();
      List<Object> keys = new ArrayList<Object>();
      while (browse.getNext(tuple)) {
         Long time = (Long) tuple.getKey();
         if (time > System.currentTimeMillis())
            break;
         times.add(time);
         Object key = tuple.getValue();
         if (key instanceof List)
            keys.addAll((List) key);
         else
            keys.add(key);
      }
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        table.insert(new Long(124), "BAR", true);
        table.insert(new Long(125), "XYZ", true);
        table.insert(new Long(126), "ABC", true);
        table.insert(new Long(127), "DEF", true);

        Tuple tuple = new Tuple();
        TupleBrowser iter = table.browse();
        while (iter.getNext(tuple)) {
            Object key = tuple.getKey();
            System.out.println("Key " + key);
        }
        manager.stop();
    }
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    }

    public ActiveMQXid[] getXids() throws XAException {
        try {
            List list = new ArrayList();
            Tuple tuple = new Tuple();
            TupleBrowser iter = database.browse();
            while (iter.getNext(tuple)) {
                list.add(tuple.getKey());
            }
            ActiveMQXid[] answer = new ActiveMQXid[list.size()];
            list.toArray(answer);
            return answer;
        }
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    public void loadPreparedTransactions(TransactionManager transactionManager) throws XAException {
        log.info("Recovering prepared transactions");

        try {
            Tuple tuple = new Tuple();
            TupleBrowser iter = database.browse();
            while (iter.getNext(tuple)) {
                ActiveMQXid xid = (ActiveMQXid) tuple.getKey();
                Transaction transaction = (Transaction) tuple.getValue();
                transactionManager.loadTransaction(xid, transaction);
            }
        }
        catch (IOException e) {
            log.error("Failed to recover prepared transactions: " + e, e);
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            Object lastAckedSequenceNumber = lastAcked.getSequenceNumber();

            // lets iterate through all IDs from the

            //Tuple tuple = new Tuple();
            Tuple tuple = getOrderedIndex().findGreaterOrEqual(lastAckedSequenceNumber);

            TupleBrowser iter = getOrderedIndex().browse();
            while (iter.getNext(tuple)) {
                Long sequenceNumber = (Long) tuple.getKey();
                if (sequenceNumber.compareTo(lastAckedSequenceNumber) > 0) {
                    ActiveMQMessage message = null;

                    // TODO we could probably tune this some more since we have tuple.getValue() already
                    message = getMessageBySequenceNumber(sequenceNumber);
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        }
    }

    public synchronized void recover(QueueMessageContainer container) throws JMSException {
        try {
            Tuple tuple = new Tuple();
            TupleBrowser iter = getOrderedIndex().browse();
            while (iter.getNext(tuple)) {
                Long key = (Long) tuple.getKey();
                MessageIdentity messageIdentity = null;
                if (key != null) {
                    String messageID = (String) tuple.getValue();
                    if (messageID != null) {
                        messageIdentity = new MessageIdentity(messageID, key);
                    }
                }
                if (messageIdentity != null) {
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