Examples of org.codehaus.activemq.message.ActiveMQXid

org.codehaus.activemq.message.ActiveMQXid

A ActiveMQXid object holds the distributed transaction id that is passed around in an ActiveMQ system.
Eventhough a Transaction Manager (TM) has his own Xid implementation that he uses when he talks to the our ActiveMQXAResource, we need to send the Xid data down to the server in our format.
ActiveMQ uses Strings as the transaction id. This class coverts an Xid to and from a string.

@version $Revision: 1.11 $ @see javax.transaction.xa.Xid

            rs = s.executeQuery();


            while (rs.next()) {
                String xid = rs.getString(1);
                try {
                    list.add(new ActiveMQXid(xid));
                }
                catch (JMSException e) {
                    log.error("Failed to recover prepared transaction due to invalid xid: " + xid, e);
                }
            }

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            while (rs.next()) {
                String id = rs.getString(1);
                byte data[] = this.getBinaryData(rs, 2);
                try {
                    ActiveMQXid xid = new ActiveMQXid(id);
                    Transaction transaction = XATransactionCommand.fromBytes(data);
                    transactionManager.loadTransaction(xid, transaction);
                }
                catch (Exception e) {
                    log.error("Failed to recover prepared transaction due to invalid xid: " + id, e);

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            cursor = database.openCursor(BDbHelper.getTransaction(), cursorConfig);
            DatabaseEntry keyEntry = new DatabaseEntry();
            DatabaseEntry valueEntry = new DatabaseEntry();
            OperationStatus status = cursor.getFirst(keyEntry, valueEntry, LockMode.DEFAULT);
            while (status == OperationStatus.SUCCESS) {
                ActiveMQXid xid = extractXid(keyEntry);
                Transaction transaction = extractTransaction(valueEntry);
                transactionManager.loadTransaction(xid, transaction);
                status = cursor.getNext(keyEntry, valueEntry, LockMode.DEFAULT);
            }
            if (status != OperationStatus.NOTFOUND) {

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    private void consumeXATransactionInfo(XATransactionInfo info) throws JMSException, XAException {
        if (info.getType() == XATransactionInfo.START) {
            this.brokerConnector.startTransaction(this, info.getXid());
        }
        else if (info.getType() == XATransactionInfo.XA_RECOVER) {
            ActiveMQXid rc[] = this.brokerConnector.getPreparedTransactions(this);
            // We will be sending our own receipt..
            info.setReceiptRequired(false);
            // Send the receipt..
            ResponseReceipt receipt = new ResponseReceipt();
            receipt.setId(this.packetIdGenerator.generateId());

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        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) {

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        setupMocks();
        setupTxnCommand();
    }


    private void setupStubs() throws JMSException {
        stubXid = new ActiveMQXid("1:2:3");
        stubTxnTask = new Mock(TransactionTask.class);        
    }

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        assertTrue("Should have returned an XATransactionCommend: " + value, value instanceof XATransactionCommand);
    }


    public void testXidSerialization() throws Exception {
        XidStub xidStub = new XidStub(new byte[]{1, 2, 3, 4, 5});
        ActiveMQXid xid = new ActiveMQXid(xidStub);


        byte[] data = serialize(xid);
        Object value = deserialize(data);


        assertEquals("deserialized object is not equal", xid, value);

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        assertEquals("deserialized object is not equal", xid, value);
    }


    public void testXidEquals() throws Exception {
        XidStub xidStub = new XidStub(new byte[]{1, 2, 3, 4, 5});
        ActiveMQXid xid1 = new ActiveMQXid(xidStub);
        ActiveMQXid xid2 = new ActiveMQXid(xidStub);


        assertEquals("object hashes are not equal", xid1.hashCode(), xid2.hashCode());
        assertEquals("objects are not equal", xid1, xid2);
    }

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        assertEquals("object hashes are not equal", xid1.hashCode(), xid2.hashCode());
        assertEquals("objects are not equal", xid1, xid2);
    }


    protected XATransactionCommand createXATranasction() throws JMSException {
        ActiveMQXid xid = new ActiveMQXid("01:23:45");
        XATransactionCommand answer = new XATransactionCommand(null, xid, null, null);
        answer.addPostCommitTask(new SendMessageTransactionTask(null, createMessage()));
        return answer;
    }

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    public int prepare(Xid xid) throws XAException {


        // We allow interleaving multiple transactions, so
        // we don't limit prepare to the associated xid.
        ActiveMQXid x;
        //THIS SHOULD NEVER HAPPEN because end(xid, TMSUCCESS) should have been called first
        if (ActiveMQXid.equals(associatedXid,xid)) {
//            x = activeXid;
            throw new XAException(XAException.XAER_PROTO);
        } else {
            //TODO cache the known xids so we don't keep recreating this one??
            x = new ActiveMQXid(xid);
        }


        XATransactionInfo info = new XATransactionInfo();
        info.setId(this.packetIdGenerator.generateId());
        info.setXid(x);

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org.codehaus.activemq.ActiveMQXASession

org.codehaus.activemq.broker.impl.BrokerClientImpl

org.codehaus.activemq.broker.impl.DefaultBroker

org.codehaus.activemq.io.impl.ActiveMQMessageWriter

org.codehaus.activemq.io.impl.MessageAckWriter

org.codehaus.activemq.service.impl.TransactionManagerImpl

org.codehaus.activemq.service.impl.XATransactionCommandTest

org.codehaus.activemq.service.impl.XATransactionTest

org.codehaus.activemq.store.bdb.BDbPreparedTransactionStore

org.codehaus.activemq.store.jdbc.adapter.DefaultJDBCAdapter

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