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TimerBeanContainer.javaAPI DocGlassfish v2 API7675Fri May 04 22:32:58 BST 2007com.sun.ejb.containers

TimerBeanContainer

public class TimerBeanContainer extends EntityContainer

Fields Summary
private EJBTimerService
ejbTimerService
Constructors Summary
protected TimerBeanContainer(EjbDescriptor desc, ClassLoader loader)
This constructor is called when the timer service system application is loaded.

exception
Exception on error

        super(desc, loader);

        _logger.log(Level.FINE,"[TimerBeanContainer] Created "
                + " TimerBeanContainer: " + logParams[0]);
Methods Summary
public voiddoAfterApplicationDeploy()
Called after all the components in the container's application have deployed successfully.


        super.doAfterApplicationDeploy();    

        try {

            TimerLocalHome timerLocalHome = (TimerLocalHome) ejbLocalHome;

            // Do "health check" on access to persistent timer info.
            EjbBundleDescriptor bundle = 
                ejbDescriptor.getEjbBundleDescriptor();

            // Get timer data source name set in timer service system app's
            // sun-ejb-jar.xml
            ResourceReferenceDescriptor cmpResource = 
                bundle.getCMPResourceReference();

            String cmpResourceJndiName = cmpResource.getJndiName();

            // Get the timer data source name from the domain.xml
            ServerContext sc = ApplicationServer.getServerContext();
            EjbContainer ejbc = ServerBeansFactory.
                getConfigBean(sc.getConfigContext()).getEjbContainer();
            EjbTimerService ejbt = ejbc.getEjbTimerService();
            // EjbTimerService is an optional element
            String ejbtDatasource = (ejbt != null) ?
                ejbt.getTimerDatasource() : null;

            // Override the timer datasource with the one from domain.xml 
            // if necessary.  
            if( (ejbtDatasource != null) && 
                (!ejbtDatasource.equals(cmpResourceJndiName)) ) {

                cmpResourceJndiName = ejbtDatasource;               
                 
                // overwrite datasource jndi name in descriptor
                cmpResource.setJndiName(cmpResourceJndiName);
            }

            // Make sure cmp resource is available in the namespace.
            Context context = new InitialContext();
            context.lookup(cmpResourceJndiName);
            
            // Make an invocation on timer bean to ensure that app is 
            // initialized properly.  Second param determines whether 
            // exhaustive database checks are performed.  These are time 
            // consuming so they will be disabled by default.  
            boolean checkStatus = 
                timerLocalHome.checkStatus(cmpResourceJndiName, false);

            if( checkStatus ) {

                //descriptor object representing this application or module
                Application application = ejbDescriptor.getApplication();
        
                //registration name of the applicaton
                String appID = application.getRegistrationName();

                Vector ejbs = application.getEjbDescriptors();
                TimerMigrationLocalHome timerMigrationLocalHome = null;
                for(Iterator iter = ejbs.iterator(); iter.hasNext();) {
                    EjbDescriptor next = (EjbDescriptor) iter.next();
                    if( next.getLocalHomeClassName().equals
                        (TimerMigrationLocalHome.class.getName()) ) {
                        BaseContainer container = (BaseContainer)
                            containerFactory.getContainer(next.getUniqueId());
                        timerMigrationLocalHome = (TimerMigrationLocalHome)
                            container.getEJBLocalHome();
                        break;
                    }
                }

                // Create EJB Timer service. 
                ejbTimerService = 
                    new EJBTimerService(appID, timerLocalHome,
                                        timerMigrationLocalHome);

                containerFactory.setEJBTimerService(ejbTimerService);

                _logger.log(Level.INFO, "ejb.timer_service_started",
                            new Object[] { cmpResourceJndiName } );

            } else {
                // error logged by timer bean.
            }

        } catch (NamingException nnfe) {

            // This is most likely caused by the timer datasource not being
            // configured for this server instance.
            _logger.log(Level.WARNING, "ejb.timer_service_init_error", 
                        logParams);

        } catch (Exception ex) {
            _logger.log(Level.WARNING, "ejb.timer_service_init_error", 
                        logParams);
            _logger.log(Level.WARNING, "", ex);
        }
public voidonShutdown()

        _logger.log(Level.FINE,"[TimerBeanContainer] onShutdown() called....");

        super.onShutdown();

        if (ejbTimerService != null) {
            ejbTimerService.onShutdown();
        }