+ public void destroy() throws Exception {
+ jmsTemplate.convertAndSend(agentUnregister, agentDescriptor);
+ log.info("Agent #" + agentDescriptor.getUuid() + " unregistered from "
+ + agentUnregister);
+ }
+
+ public void setAgentRegister(Destination agentRegister) {
+ this.agentRegister = agentRegister;
+ }
+
+ public void setAgentUnregister(Destination agentUnregister) {
+ this.agentUnregister = agentUnregister;
+ }
+
+ public String getMessageSelector() {
+ String messageSelector = "slc_agentId='" + agentDescriptor.getUuid()
+ + "'";
+ // if (log.isDebugEnabled())
+ // log.debug("Message selector: " + messageSelector);
+ return messageSelector;
+ }
+
+ public ExecutionModuleDescriptor getExecutionModuleDescriptor(
+ String moduleName, String version) {
+ return getModulesManager().getExecutionModuleDescriptor(moduleName,
+ version);
+ }
+
+ public List<ExecutionModuleDescriptor> listExecutionModuleDescriptors() {
+ List<ExecutionModule> modules = getModulesManager()
+ .listExecutionModules();
+
+ List<ExecutionModuleDescriptor> descriptors = new ArrayList<ExecutionModuleDescriptor>();
+ for (ExecutionModule module : modules) {
+ ExecutionModuleDescriptor md = new ExecutionModuleDescriptor();
+ md.setName(module.getName());
+ md.setVersion(module.getVersion());
+ descriptors.add(md);
+ }
+ return descriptors;
+ }
+
+ public boolean ping() {
+ return true;
+ }
+
+ public void onMessage(final Message message) {
+ final String query;
+ final String correlationId;
+ try {
+ query = message.getStringProperty(PROPERTY_QUERY);
+ correlationId = message.getJMSCorrelationID();
+ } catch (JMSException e1) {
+ throw new SlcException("Cannot analyze incoming message " + message);
+ }
+
+ final Object response;
+ final Destination destinationSend;
+ if (QUERY_PING_ALL.equals(query)) {
+ ReferenceList refList = (ReferenceList) convertFrom(message);
+ if (!refList.getReferences().contains(agentDescriptor.getUuid())) {
+ response = agentDescriptor;
+ destinationSend = agentRegister;
+ log.info("Agent #" + agentDescriptor.getUuid()
+ + " registering to " + agentRegister
+ + " in reply to a " + QUERY_PING_ALL + " query");
+ } else {
+ return;
+ }
+ } else {
+ response = process(query, message);
+ destinationSend = responseDestination;
+ }
+
+ new Thread() {
+ public void run() {
+ // Send response
+ jmsTemplate.convertAndSend(destinationSend, response,
+ new MessagePostProcessor() {
+ public Message postProcessMessage(
+ Message messageToSend) throws JMSException {
+ messageToSend.setStringProperty(PROPERTY_QUERY,
+ query);
+ messageToSend.setStringProperty(
+ PROPERTY_SLC_AGENT_ID, agentDescriptor
+ .getUuid());
+ messageToSend
+ .setJMSCorrelationID(correlationId);
+ return messageToSend;
+ }
+ });
+ if (log.isDebugEnabled())
+ log.debug("Sent response to query '" + query
+ + "' with correlationId " + correlationId);
+ }
+ }.start();
+
+ }
+
+ /** @return response */
+ public Object process(String query, Message message) {