+/*
+ * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package org.argeo.slc.jms;
import java.net.InetAddress;
import java.net.UnknownHostException;
-import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.argeo.slc.SlcException;
-import org.argeo.slc.core.runtime.AbstractAgent;
-import org.argeo.slc.execution.ExecutionModule;
+import org.argeo.slc.core.runtime.DefaultAgent;
import org.argeo.slc.execution.ExecutionModuleDescriptor;
import org.argeo.slc.msg.ExecutionAnswer;
+import org.argeo.slc.msg.MsgConstants;
import org.argeo.slc.msg.ReferenceList;
import org.argeo.slc.process.SlcExecution;
-import org.argeo.slc.runtime.SlcAgent;
import org.argeo.slc.runtime.SlcAgentDescriptor;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
+import org.springframework.jms.JmsException;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessagePostProcessor;
/** JMS based implementation of SLC Agent. */
-public class JmsAgent extends AbstractAgent implements SlcAgent,
- InitializingBean, DisposableBean, MessageListener {
+public class JmsAgent extends DefaultAgent implements InitializingBean,
+ DisposableBean, MessageListener {
public final static String PROPERTY_QUERY = "query";
- public final static String PROPERTY_SLC_AGENT_ID = "slc_agentId";
-
public final static String QUERY_PING_ALL = "pingAll";
private final static Log log = LogFactory.getLog(JmsAgent.class);
}
public void afterPropertiesSet() throws Exception {
- jmsTemplate.convertAndSend(agentRegister, agentDescriptor);
- log.info("Agent #" + agentDescriptor.getUuid() + " registered to "
- + agentRegister);
+ try {
+ jmsTemplate.convertAndSend(agentRegister, agentDescriptor);
+ log.info("Agent #" + agentDescriptor.getUuid() + " registered to "
+ + agentRegister);
+ } catch (JmsException e) {
+ log
+ .warn("Could not register agent "
+ + agentDescriptor.getUuid()
+ + " to server: "
+ + e.getMessage()
+ + ". The agent will stay offline but will keep listening for a ping all sent by server.");
+ if (log.isTraceEnabled())
+ log.debug("Original error.", e);
+ }
}
public void destroy() throws Exception {
- jmsTemplate.convertAndSend(agentUnregister, agentDescriptor);
- log.info("Agent #" + agentDescriptor.getUuid() + " unregistered from "
- + agentUnregister);
+ try {
+ jmsTemplate.convertAndSend(agentUnregister, agentDescriptor);
+ log.info("Agent #" + agentDescriptor.getUuid()
+ + " unregistered from " + agentUnregister);
+ } catch (JmsException e) {
+ log.warn("Could not unregister agent " + agentDescriptor.getUuid()
+ + ": " + e.getMessage());
+ if (log.isTraceEnabled())
+ log.debug("Original error.", e);
+ }
}
public void setAgentRegister(Destination agentRegister) {
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;
}
// Send response
+ if (log.isTraceEnabled())
+ log.trace("About to send response " + response.getClass());
jmsTemplate.convertAndSend(destinationSend, response,
new MessagePostProcessor() {
public Message postProcessMessage(Message messageToSend)
throws JMSException {
messageToSend.setStringProperty(PROPERTY_QUERY, query);
- messageToSend.setStringProperty(PROPERTY_SLC_AGENT_ID,
+ messageToSend.setStringProperty(
+ MsgConstants.PROPERTY_SLC_AGENT_ID,
agentDescriptor.getUuid());
messageToSend.setJMSCorrelationID(correlationId);
return messageToSend;