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package com.sun.enterprise.transaction.startup;
import java.util.logging.Logger;
import javax.inject.Inject;
import javax.naming.Context;
import javax.naming.NamingException;
import org.glassfish.api.event.EventListener;
import org.glassfish.api.event.EventTypes;
import org.glassfish.api.event.Events;
import org.glassfish.api.naming.GlassfishNamingManager;
import org.glassfish.api.naming.NamingObjectProxy;
import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.api.PreDestroy;
import org.glassfish.hk2.api.ServiceHandle;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.runlevel.RunLevel;
import org.glassfish.hk2.utilities.BuilderHelper;
import org.jvnet.hk2.annotations.Optional;
import org.jvnet.hk2.annotations.Service;
import com.sun.enterprise.transaction.api.JavaEETransactionManager;
import com.sun.enterprise.transaction.config.TransactionService;
import com.sun.logging.LogDomains;
/**
* Service wrapper to only lookup the transaction recovery when there
* are applications deployed since the actual service has ORB dependency.
*
* This is also responsible for binding (non java:comp) UserTransaction in naming tree.
*/
@Service
//todo: change value=10 to a public constant
@RunLevel( value=10 )
public class TransactionLifecycleService implements PostConstruct, PreDestroy {
// public class TransactionLifecycleService implements Startup, PostConstruct, PreDestroy {
@Inject
ServiceLocator habitat;
@Inject
Events events;
@Inject @Optional
GlassfishNamingManager nm;
static final String USER_TX_NO_JAVA_COMP = "UserTransaction";
private static Logger _logger = LogDomains.getLogger(TransactionLifecycleService.class, LogDomains.JTA_LOGGER);
private JavaEETransactionManager tm = null;
@Override
public void postConstruct() {
EventListener glassfishEventListener = new EventListener() {
@Override
public void event(Event event) {
if (event.is(EventTypes.SERVER_READY)) {
_logger.fine("TM LIFECYCLE SERVICE - ON READY");
onReady();
} else if (event.is(EventTypes.PREPARE_SHUTDOWN)) {
_logger.fine("TM LIFECYCLE SERVICE - ON SHUTDOWN");
onShutdown();
}
}
};
events.register(glassfishEventListener);
if (nm != null) {
try {
nm.publishObject(USER_TX_NO_JAVA_COMP, new NamingObjectProxy.InitializationNamingObjectProxy() {
@Override
public Object create(Context ic) throws NamingException {
ActiveDescriptor<?> descriptor = habitat.getBestDescriptor(
BuilderHelper.createContractFilter("javax.transaction.UserTransaction"));
if (descriptor == null) return null;
return habitat.getServiceHandle(descriptor).getService();
}
}, false);
} catch (NamingException e) {
_logger.warning("Can't bind \"UserTransaction\" in JNDI");
}
}
}
@Override
public void preDestroy() {
if (nm != null) {
try {
nm.unpublishObject(USER_TX_NO_JAVA_COMP);
} catch (NamingException e) {
_logger.warning("Can't unbind \"UserTransaction\" in JNDI");
}
}
}
public void onReady() {
_logger.fine("ON TM READY STARTED");
TransactionService txnService = habitat.getService(TransactionService.class);
if (txnService != null) {
boolean isAutomaticRecovery = Boolean.valueOf(txnService.getAutomaticRecovery());
if (isAutomaticRecovery) {
_logger.fine("ON TM RECOVERY START");
tm = habitat.getService(JavaEETransactionManager.class);
tm.initRecovery(false);
_logger.fine("ON TM RECOVERY END");
}
}
_logger.fine("ON TM READY FINISHED");
}
public void onShutdown() {
// Cleanup if TM was loaded
if (tm == null) {
ServiceHandle<JavaEETransactionManager> inhabitant =
habitat.getServiceHandle(JavaEETransactionManager.class);
if (inhabitant != null && inhabitant.isActive()) {
tm = inhabitant.getService();
}
}
if (tm != null) {
_logger.fine("ON TM SHUTDOWN STARTED");
tm.shutdown();
_logger.fine("ON TM SHUTDOWN FINISHED");
}
}
}