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package com.sun.enterprise.ee.admin.event;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.ee.EELogDomains;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.admin.event.CommandEvent;
import com.sun.enterprise.admin.event.AdminEvent;
import com.sun.enterprise.admin.event.AdminEventResult;
import com.sun.enterprise.ee.admin.proxy.InstanceProxy;
import com.sun.enterprise.ee.admin.mbeanapi.ServerRuntimeMBean;
import com.sun.enterprise.config.serverbeans.ServerHelper;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.admin.servermgmt.InstanceException;
import com.sun.enterprise.admin.pluggable.RUExtensionFeature;
import com.sun.enterprise.admin.server.core.AdminService;
/**
* Forwards an event to an end point.
*
* @author Nazrul Islam
* @since JDK1.4
*/
class EndPointHandler implements Runnable {
/**
* Constructor.
*
* @param event event that needs to be sent
* @param ep end point for this event
*/
EndPointHandler(AdminEvent event, EndPoint ep) {
_endPoint = ep;
_event = event;
}
/**
* Returns logger for this class.
*/
private static Logger getLogger() {
if (_logger == null) {
_logger = Logger.getLogger(EELogDomains.EE_ADMIN_LOGGER);
}
return _logger;
}
/**
* Calls the server runtime MBean to forward the event to the
* remote server. Events are only forwarded when dynamic
* reconfiguration is enbled for the server.
*/
public void run() {
String serverName = _endPoint.getHost();
ConfigContext ctx = _endPoint.getConfigContext();
try {
Config config = ServerHelper.getConfigForServer(ctx, serverName);
// Even if dynamic reconfiguration is disabled send the events
// when instances are enabled/disabled
boolean sendCCEvent = false; //CCEvent -> Cluster Change Event
RUExtensionFeature ruef = AdminService.getRUExtensionFeature();
if (ruef != null)
sendCCEvent = ruef.sendEvent(_event);
// forwards the event if dynamic reconfiguration is enabled
if ((config != null && (config.isDynamicReconfigurationEnabled() || sendCCEvent ))
|| (_event instanceof CommandEvent)) {
ServerRuntimeMBean sRuntime =
InstanceProxy.getInstanceProxy( _endPoint.getHost() );
_result = sRuntime.forwardEvent(_event);
} else {
// dynamic reconfiguration is not enabled
getLogger().log(Level.WARNING,
"eeadmin.eventDynamicReconfigDisabled.Warning",
new Object[] {serverName, _event.toString()});
}
} catch (InstanceException e) {
getLogger().log(Level.WARNING,
"eeadmin.eventInstanceUnreachable.Warning",
serverName);
_result = new AdminEventResult(_event.getSequenceNumber());
_result.setResultCode(AdminEventResult.TRANSMISSION_ERROR);
_result.addException(serverName, e);
} catch (Exception e) {
getLogger().log(Level.SEVERE,
"eeadmin.eventInstanceError.Exception", e);
_result = new AdminEventResult(_event.getSequenceNumber());
_result.setResultCode(AdminEventResult.ERROR);
_result.addException(serverName, e);
}
}
/**
* Returns the result from this end point.
*
* @return result from this end point
*/
AdminEventResult getResult() {
return _result;
}
// ---- VARIABLE(S) - PRIVATE -----------------------
private EndPoint _endPoint = null;
private AdminEvent _event = null;
private AdminEventResult _result = null;
private static Logger _logger = null;
private static final StringManager _strMgr =
StringManager.getManager(EndPointHandler.class);
}