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

              case TxCommand.LOCAL_COMMIT:
              case TxCommand.LOCAL_ROLLBACK:
                  os.writeUTF( (String) command.getTransactionId() );
                  break;
              default:
                  ActiveMQXid xid = (ActiveMQXid) command.getTransactionId();
                xid.write(os);
                break;
            }
            os.close();
            return journal.write(pos.getPacket(), sync);
        }

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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.setCorrelationId(info.getId());

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     */
    public void acknowledgeTransactedMessage(final BrokerClient client, final String transactionId, final MessageAck ack) throws JMSException {
        Transaction transaction;
        if (ack.isXaTransacted()) {
            try {
                transaction = transactionManager.getXATransaction(new ActiveMQXid(transactionId));
            }
            catch (XAException e) {
                throw (JMSException) new JMSException(e.getMessage()).initCause(e);
            }
        }

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     */
    public void sendTransactedMessage(final BrokerClient client, final String transactionId, final ActiveMQMessage message) throws JMSException {
        Transaction transaction;
        if (message.isXaTransacted()) {
            try {
                transaction = transactionManager.getXATransaction(new ActiveMQXid(transactionId));
            }
            catch (XAException e) {
                throw (JMSException) new JMSException(e.getMessage()).initCause(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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    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 (xid == associatedXid) {
//            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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    public void rollback(Xid xid) throws XAException {


        // We allow interleaving multiple transactions, so
        // we don't limit rollback to the associated xid.
        ActiveMQXid x;
        if (xid == associatedXid) {
            //I think this can happen even without an end(xid) call.  Need to check spec.
            x = activeXid;
        } else {
            x = new ActiveMQXid(xid);
        }


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

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    public void commit(Xid xid, boolean onePhase) throws XAException {
        checkClosedXA();


        // We allow interleaving multiple transactions, so
        // we don't limit commit to the associated xid.
        ActiveMQXid x;
        if (xid == associatedXid) {
            //should never happen, end(xid,TMSUCCESS) must have been previously called
//            x = activeXid;
            throw new XAException(XAException.XAER_PROTO);
        } else {
            x = new ActiveMQXid(xid);
        }


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

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    public void forget(Xid xid) throws XAException {
        checkClosedXA();


        // We allow interleaving multiple transactions, so
        // we don't limit forget to the associated xid.
        ActiveMQXid x;
        if (xid == associatedXid) {
            //TODO determine if this can happen... I think not.
            x = activeXid;
        } else {
            x = new ActiveMQXid(xid);
        }


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

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    private void setXid(Xid xid) {
        if (xid != null) {
// associate
            associatedXid = xid;
            activeXid = new ActiveMQXid(xid);
            super.currentTransactionId = activeXid.toLocalTransactionId();
        } else {
// dis-associate
            associatedXid = null;
            activeXid = null;

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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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