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package com.sun.ejb.containers;
import java.util.logging.*;
import java.util.Vector;
import java.util.Iterator;
import javax.naming.NamingException;
import javax.naming.Context;
import javax.naming.InitialContext;
import com.sun.ejb.Container;
import com.sun.ejb.InvocationInfo;
import com.sun.enterprise.deployment.*;
import com.sun.enterprise.config.serverbeans.ServerBeansFactory;
import com.sun.enterprise.server.ApplicationServer;
import com.sun.enterprise.server.ServerContext;
import com.sun.enterprise.config.serverbeans.EjbContainer;
import com.sun.enterprise.config.serverbeans.EjbTimerService;
public class TimerBeanContainer
extends EntityContainer
{
private EJBTimerService ejbTimerService;
/**
* This constructor is called when the timer service system application is
* loaded.
* @exception Exception on error
*/
protected TimerBeanContainer(EjbDescriptor desc, ClassLoader loader)
throws Exception
{
super(desc, loader);
_logger.log(Level.FINE,"[TimerBeanContainer] Created "
+ " TimerBeanContainer: " + logParams[0]);
}
public void onShutdown() {
_logger.log(Level.FINE,"[TimerBeanContainer] onShutdown() called....");
super.onShutdown();
if (ejbTimerService != null) {
ejbTimerService.onShutdown();
}
}
/**
* Called after all the components in the container's application
* have deployed successfully.
*/
public void doAfterApplicationDeploy() {
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);
}
}
} //TimerBeanContainer.java