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package com.sun.enterprise.ee.nodeagent;
import com.sun.enterprise.admin.util.JMXConnectorConfig;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.serverbeans.AdminService;
import com.sun.enterprise.config.serverbeans.ElementProperty;
import com.sun.enterprise.config.serverbeans.JmxConnector;
import com.sun.enterprise.config.serverbeans.ServerHelper;
import com.sun.enterprise.config.serverbeans.NodeAgent;
import com.sun.enterprise.config.serverbeans.NodeAgentHelper;
import com.sun.enterprise.server.ServerContext;
import com.sun.enterprise.ee.admin.servermgmt.AgentException;
import com.sun.enterprise.ee.admin.mbeanapi.NodeAgentMBean;
import com.sun.enterprise.ee.admin.proxy.NodeAgentProxy;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.logging.ee.EELogDomains;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.MBeanException;
import com.sun.enterprise.admin.util.IAdminConstants;
/**
* NodeAgentNotification on DAS relocation implementation
*
* Provides methods for notifying already running Node agents
* when DAS is moved from one location to other.
*
* @author Nandini Ektare
*/
public class NodeAgentNotifier implements Runnable {
// Logger and StringManager
private static final Logger _logger =
Logger.getLogger(EELogDomains.EE_ADMIN_LOGGER);
private static final StringManager _strMgr =
StringManager.getManager(NodeAgentNotifier.class);
private final ServerContext dasCtx;
public NodeAgentNotifier(ServerContext sc) {
_logger.fine(_strMgr.getString("notifier.thread_initialized"));
dasCtx = sc;
}
public void run() {
_logger.fine(_strMgr.getString("notifier.thread_running"));
// vars
ConfigContext configContext = dasCtx.getConfigContext();
// determine the instance type for appropriate processing
notifyAllNodeAgentsOfNewLocation(configContext);
}
private void notifyAllNodeAgentsOfNewLocation(ConfigContext cc) {
try {
AdminService as = ServerHelper.getAdminServiceForServer(
cc, "server");
JmxConnector config = as.getJmxConnectorByName(
as.getSystemJmxConnectorName());
ElementProperty clientHostname = config.getElementPropertyByName(
IAdminConstants.HOST_PROPERTY_NAME);
if (clientHostname != null) {
String newHost = (String) clientHostname.getValue();
NodeAgent[] nas = NodeAgentHelper.getNodeAgentsInDomain(cc);
for (NodeAgent na : nas)
dasHasMoved(newHost, config.getPort(), na);
}
} catch (ConfigException ce) {
_logger.log(Level.WARNING, _strMgr.getString(
"notifier.fetch_error", ce.getMessage()));
}
}
private void dasHasMoved(
String newHost, String newPort, NodeAgent na) {
try {
NodeAgentMBean agentMBean =
NodeAgentProxy.getNodeAgentProxy(na.getName());
agentMBean.dasHasMoved(newHost, newPort);
} catch (AgentException ex) {
_logger.log(Level.WARNING, _strMgr.getString(
"notifier.nodeagent_notify_error", na.getName()));
} catch (MBeanException me) {
_logger.log(Level.WARNING, _strMgr.getString(
"notifier.nodeagent_contact_error", na.getName()));
}
}
}