Examples with TopicListener cbit.vcell.message.VCTopicConsumer.TopicListener used on opensource projects

Example 1 with TopicListener

use of cbit.vcell.message.VCTopicConsumer.TopicListener in project vcell by virtualcell.

the class JavaSimulationExecutable method init.

protected void init() throws JMSException {
    // 
    // session used for sending worker events.
    // 
    this.workerEventSession = vcMessagingService.createProducerSession();
    // 
    // message consumer for Service Control topic message (to stop simulation).
    // 
    VCellTopic topic = VCellTopic.ServiceControlTopic;
    TopicListener listener = new TopicListener() {

        public void onTopicMessage(VCMessage vcMessage, VCMessageSession session) {
            if (lg.isTraceEnabled())
                lg.trace("JavaSimulationExecutable::onControlTopicMessage(): " + vcMessage.show());
            try {
                String msgType = vcMessage.getStringProperty(VCMessagingConstants.MESSAGE_TYPE_PROPERTY);
                if (msgType != null && msgType.equals(MessageConstants.MESSAGE_TYPE_STOPSIMULATION_VALUE)) {
                    Long longkey = vcMessage.getLongProperty(MessageConstants.SIMKEY_PROPERTY);
                    KeyValue simKey = new KeyValue(longkey + "");
                    int jobIndex = vcMessage.getIntProperty(MessageConstants.JOBINDEX_PROPERTY);
                    if (simKey.equals(simulationTask.getSimKey()) && jobIndex == simulationTask.getSimulationJob().getJobIndex()) {
                        solver.stopSolver();
                    }
                }
            } catch (MessagePropertyNotFoundException ex) {
                lg.error(ex.getMessage(), ex);
                return;
            }
        }
    };
    VCMessageSelector selector = null;
    String threadName = "Service Control Topic Consumer";
    VCTopicConsumer serviceControlConsumer = new VCTopicConsumer(topic, listener, selector, threadName, MessageConstants.PREFETCH_LIMIT_SERVICE_CONTROL);
    vcMessagingService.addMessageConsumer(serviceControlConsumer);
}

Example 2 with TopicListener

use of cbit.vcell.message.VCTopicConsumer.TopicListener in project vcell by virtualcell.

the class JavaSimulationExecutable method init.

protected void init() throws JMSException {
    // 
    // session used for sending worker events.
    // 
    this.workerEventSession = vcMessagingService.createProducerSession();
    // 
    // message consumer for Service Control topic message (to stop simulation).
    // 
    VCellTopic topic = VCellTopic.ServiceControlTopic;
    TopicListener listener = new TopicListener() {

        public void onTopicMessage(VCMessage vcMessage, VCMessageSession session) {
            if (lg.isTraceEnabled())
                lg.trace("JavaSimulationExecutable::onControlTopicMessage(): " + vcMessage.show());
            try {
                String msgType = vcMessage.getStringProperty(VCMessagingConstants.MESSAGE_TYPE_PROPERTY);
                if (msgType != null && msgType.equals(MessageConstants.MESSAGE_TYPE_STOPSIMULATION_VALUE)) {
                    Long longkey = vcMessage.getLongProperty(MessageConstants.SIMKEY_PROPERTY);
                    KeyValue simKey = new KeyValue(longkey + "");
                    int jobIndex = vcMessage.getIntProperty(MessageConstants.JOBINDEX_PROPERTY);
                    if (simKey.equals(simulationTask.getSimKey()) && jobIndex == simulationTask.getSimulationJob().getJobIndex()) {
                        solver.stopSolver();
                    }
                }
            } catch (MessagePropertyNotFoundException ex) {
                lg.error(ex.getMessage(), ex);
                return;
            }
        }
    };
    VCMessageSelector selector = null;
    String threadName = "Service Control Topic Consumer";
    VCTopicConsumer serviceControlConsumer = new VCTopicConsumer(topic, listener, selector, threadName, MessageConstants.PREFETCH_LIMIT_SERVICE_CONTROL);
    vcMessagingService.addMessageConsumer(serviceControlConsumer);
}

Example 3 with TopicListener

use of cbit.vcell.message.VCTopicConsumer.TopicListener in project vcell by virtualcell.

the class ServiceProvider method initControlTopicListener.

/**
 * Insert the method's description here.
 * Creation date: (11/19/2001 5:29:47 PM)
 */
public void initControlTopicListener() {
    if (bSlaveMode) {
        return;
    }
    TopicListener listener = new TopicListener() {

        public void onTopicMessage(VCMessage message, VCMessageSession session) {
            try {
                String msgType = message.getStringProperty(VCMessagingConstants.MESSAGE_TYPE_PROPERTY);
                String serviceID = null;
                if (msgType == null) {
                    return;
                }
                if (msgType.equals(MessageConstants.MESSAGE_TYPE_ISSERVICEALIVE_VALUE)) {
                    VCMessage reply = session.createObjectMessage(ServiceProvider.this.serviceInstanceStatus);
                    reply.setStringProperty(VCMessagingConstants.MESSAGE_TYPE_PROPERTY, MessageConstants.MESSAGE_TYPE_IAMALIVE_VALUE);
                    reply.setStringProperty(MessageConstants.SERVICE_ID_PROPERTY, serviceInstanceStatus.getID());
                    if (lg.isTraceEnabled())
                        lg.trace("sending reply [" + reply.toString() + "]");
                    if (message.getReplyTo() != null) {
                        reply.setCorrelationID(message.getMessageID());
                        session.sendTopicMessage((VCellTopic) message.getReplyTo(), reply);
                    } else {
                        session.sendTopicMessage(VCellTopic.DaemonControlTopic, reply);
                    }
                } else if (msgType.equals(MessageConstants.MESSAGE_TYPE_ASKPERFORMANCESTATUS_VALUE)) {
                    VCMessage reply = session.createObjectMessage(serviceInstanceStatus);
                    reply.setStringProperty(VCMessagingConstants.MESSAGE_TYPE_PROPERTY, MessageConstants.MESSAGE_TYPE_REPLYPERFORMANCESTATUS_VALUE);
                    reply.setStringProperty(MessageConstants.SERVICE_ID_PROPERTY, serviceInstanceStatus.getID());
                    session.sendTopicMessage(VCellTopic.DaemonControlTopic, reply);
                    if (lg.isTraceEnabled())
                        lg.trace("sending reply [" + reply.toString() + "]");
                } else if (msgType.equals(MessageConstants.MESSAGE_TYPE_STOPSERVICE_VALUE)) {
                    serviceID = message.getStringProperty(MessageConstants.SERVICE_ID_PROPERTY);
                    if (serviceID != null && serviceID.equalsIgnoreCase(serviceInstanceStatus.getID())) {
                        stopService();
                    }
                }
            } catch (Exception ex) {
                lg.error(ex.getMessage(), ex);
            }
        }
    };
    VCMessageSelector selector = vcMessagingService.createSelector(getDaemonControlFilter());
    String threadName = "Daemon Control Topic Consumer";
    vcTopicConsumer = new VCTopicConsumer(VCellTopic.DaemonControlTopic, listener, selector, threadName, MessageConstants.PREFETCH_LIMIT_DAEMON_CONTROL);
    vcMessagingService.addMessageConsumer(vcTopicConsumer);
}