Package org.apache.activemq.command

Examples of org.apache.activemq.command.Command

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    }

    @Override
    public void oneway(Object object) throws IOException {
        if (object instanceof Command) {
            Command command = (Command)object;

            if (command instanceof BrokerInfo) {
                BrokerInfo brokerInfo = (BrokerInfo)command;

                brokerId = brokerInfo.getBrokerId().toString();
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    }

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // lets return the next response
        Command packet = null;
        int count = 0;
        try {
            BlockingQueueTransport transportChannel = getTransportChannel(request, response);
            if (transportChannel == null) {
                return;
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    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException,
            IOException {

        // Read the command directly from the reader, assuming UTF8 encoding
        ServletInputStream sis = request.getInputStream();
        Command command = (Command) wireFormat.unmarshalText(new InputStreamReader(sis, "UTF-8"));

        if (command instanceof WireFormatInfo) {
            WireFormatInfo info = (WireFormatInfo) command;
            if (!canProcessWireFormatVersion(info.getVersion())) {
                response.sendError(HttpServletResponse.SC_NOT_FOUND, "Cannot process wire format of version: "
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        if (started.compareAndSet(false, true)) {
            localBroker.setTransportListener(new DefaultTransportListener() {

                @Override
                public void onCommand(Object o) {
                    Command command = (Command) o;
                    serviceLocalCommand(command);
                }

                @Override
                public void onException(IOException error) {
                    serviceLocalException(error);
                }
            });
            remoteBroker.setTransportListener(new TransportListener() {

                public void onCommand(Object o) {
                    Command command = (Command) o;
                    serviceRemoteCommand(command);
                }

                public void onException(IOException error) {
                    serviceRemoteException(error);
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        LOG.info("Starting a network connection between " + localBroker + " and " + remoteBroker
                 + " has been established.");

        localBroker.setTransportListener(new DefaultTransportListener() {
            public void onCommand(Object o) {
                Command command = (Command)o;
                serviceLocalCommand(command);
            }

            public void onException(IOException error) {
                serviceLocalException(error);
            }
        });

        remoteBroker.setTransportListener(new DefaultTransportListener() {
            public void onCommand(Object o) {
                Command command = (Command)o;
                serviceRemoteCommand(command);
            }

            public void onException(IOException error) {
                serviceRemoteException(error);
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        this.protocolConverter = new ProtocolConverter(this, translator, brokerContext);
    }

    public void oneway(Object o) throws IOException {
        try {
            final Command command = (Command)o;
            protocolConverter.onActiveMQCommand(command);
        } catch (JMSException e) {
            throw IOExceptionSupport.create(e);
        }
    }
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            getTransportListener().onException(e);
        }
    }

    public Object request(Object o) throws IOException {
        final Command command = (Command)o;
        FutureResponse response = asyncRequest(command, null);
        while (true) {
            Response result = response.getResult(requestTimeout);
            if (result != null) {
                return result;
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            onMissingResponse(command, response);
        }
    }

    public Object request(Object o, int timeout) throws IOException {
        final Command command = (Command)o;
        FutureResponse response = asyncRequest(command, null);
        while (timeout > 0) {
            int time = timeout;
            if (timeout > requestTimeout) {
                time = requestTimeout;
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        }
        return response.getResult(0);
    }

    public void onCommand(Object o) {
        Command command = (Command)o;
        // lets pass wireformat through
        if (command.isWireFormatInfo()) {
            super.onCommand(command);
            return;
        } else if (command.getDataStructureType() == ReplayCommand.DATA_STRUCTURE_TYPE) {
            replayCommands((ReplayCommand)command);
            return;
        }

        int actualCounter = command.getCommandId();
        boolean valid = expectedCounter == actualCounter;

        if (!valid) {
            synchronized (commands) {
                int nextCounter = actualCounter;
                boolean empty = commands.isEmpty();
                if (!empty) {
                    Command nextAvailable = commands.first();
                    nextCounter = nextAvailable.getCommandId();
                }

                try {
                    boolean keep = replayStrategy.onDroppedPackets(this, expectedCounter, actualCounter, nextCounter);
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    public void setMaxReconnectAttempts(int maxReconnectAttempts) {
        this.maxReconnectAttempts = maxReconnectAttempts;
    }

    public void oneway(Object o) throws IOException {
        final Command command = (Command)o;
        try {
            synchronized (reconnectMutex) {

                // Wait for transport to be connected.
                while (connectedCount < minAckCount && !disposed && connectionFailure == null) {
                    LOG.debug("Waiting for at least " + minAckCount + " transports to be connected.");
                    reconnectMutex.wait(1000);
                }

                // Still not fully connected.
                if (connectedCount < minAckCount) {

                    Exception error;

                    // Throw the right kind of error..
                    if (disposed) {
                        error = new IOException("Transport disposed.");
                    } else if (connectionFailure != null) {
                        error = connectionFailure;
                    } else {
                        error = new IOException("Unexpected failure.");
                    }

                    if (error instanceof IOException) {
                        throw (IOException)error;
                    }
                    throw IOExceptionSupport.create(error);
                }

                // If it was a request and it was not being tracked by
                // the state tracker,
                // then hold it in the requestMap so that we can replay
                // it later.
                boolean fanout = isFanoutCommand(command);
                if (stateTracker.track(command) == null && command.isResponseRequired()) {
                    int size = fanout ? minAckCount : 1;
                    requestMap.put(new Integer(command.getCommandId()), new RequestCounter(command, size));
                }
               
                // Send the message.
                if (fanout) {
                    for (Iterator<FanoutTransportHandler> iter = transports.iterator(); iter.hasNext();) {
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Related Classes of org.apache.activemq.command.Command

  • org.apache.activemq.ActiveMQConnection
  • org.apache.activemq.broker.ft.MasterConnector
  • org.apache.activemq.broker.TransportConnection
  • org.apache.activemq.network.DemandForwardingBridgeSupport
  • org.apache.activemq.network.ForwardingBridge
  • org.apache.activemq.openwire.CommandIdComparator
  • org.apache.activemq.state.ConnectionStateTracker
  • org.apache.activemq.transport.amqp.AmqpTransportFilter
  • org.apache.activemq.transport.CommandJoiner
  • org.apache.activemq.transport.failover.FailoverTransport
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