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package com.sun.enterprise.transaction;
import org.glassfish.api.naming.GlassfishNamingManager;
import org.glassfish.api.naming.NamedNamingObjectProxy;
import org.glassfish.api.naming.NamingObjectProxy;
import org.glassfish.api.naming.NamingObjectsProvider;
//import org.glassfish.api.naming.GlassfishNamingManager;
//import org.glassfish.api.admin.ProcessEnvironment;
//import org.glassfish.api.admin.ProcessEnvironment.ProcessType;
import org.glassfish.api.invocation.InvocationManager;
import org.glassfish.api.invocation.ComponentInvocation;
import com.sun.enterprise.transaction.spi.TransactionOperationsManager;
import com.sun.logging.LogDomains;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.component.Habitat;
import org.jvnet.hk2.component.PostConstruct;
import javax.naming.Context;
import javax.naming.NamingException;
import java.util.concurrent.ExecutorService;
import java.util.logging.Logger;
/**
* Proxy for creating JTA instances that get registered in the naming manager.
* NamingManager will call the handle() method when the JNDI name is looked up.
* Will return the instance that corresponds to the known name.
*
* @author Marina Vatkina
*/
@Service
public class TransactionNamingProxy
implements NamedNamingObjectProxy, NamingObjectsProvider, PostConstruct {
@Inject
private Habitat habitat;
@Inject
private ExecutorService es;
@Inject
private org.glassfish.api.admin.ProcessEnvironment processEnv;
private static Logger logger = LogDomains.getLogger(TransactionNamingProxy.class, LogDomains.JTA_LOGGER);
private static final String USER_TX = "java:comp/UserTransaction";
private static final String USER_TX_NO_JAVA_COMP = "UserTransaction";
private static final String TRANSACTION_SYNC_REGISTRY
= "java:comp/TransactionSynchronizationRegistry";
private static final String APPSERVER_TRANSACTION_SYNC_REGISTRY
= "java:appserver/TransactionSynchronizationRegistry";
private static final String TRANSACTION_MGR
= "java:pm/TransactionManager";
private static final String APPSERVER_TRANSACTION_MGR
= "java:appserver/TransactionManager";
public void postConstruct() {
// Issue 13108 (Cycle in our component chain involving GlassFishNamingManager
// and TransactionNamingProxy). Comment out the publishing of "UserTransaction"
// and related field injections to break the circular dependency.
if( processEnv.getProcessType().isServer()) {
final Habitat h = habitat;
// made the lookup of the naming manager asynchronous to avoid getting
// in an infinite cyclic dependency (see IT 13108). By making the lookup
// asynchronous, we ensure the NamingManager implementation has finished
// initializing in *this* thread before getting returned by the
// getComponent() call below.
es.submit(new Runnable() {
@Override
public void run() {
GlassfishNamingManager namingMgr = h.getComponent(GlassfishNamingManager.class);
try {
namingMgr.publishObject(USER_TX_NO_JAVA_COMP,
new UserTransactionProxy(), true);
} catch (NamingException e) {
logger.warning("Can't bind \"UserTransaction\" in JNDI");
}
}
});
}
}
public Object handle(String name) throws NamingException {
if (USER_TX.equals(name)) {
checkUserTransactionLookupAllowed();
return habitat.getComponent(UserTransactionImpl.class);
} else if (TRANSACTION_SYNC_REGISTRY.equals(name) || APPSERVER_TRANSACTION_SYNC_REGISTRY.equals(name)) {
return habitat.getComponent(TransactionSynchronizationRegistryImpl.class);
} else if (APPSERVER_TRANSACTION_MGR.equals(name)) {
return habitat.getComponent(TransactionManagerHelper.class);
}
return null;
}
private class UserTransactionProxy implements NamingObjectProxy {
public Object create(Context ic) throws NamingException {
checkUserTransactionLookupAllowed();
return habitat.getComponent(UserTransactionImpl.class);
}
}
private void checkUserTransactionLookupAllowed() throws NamingException {
InvocationManager iv = habitat.getByContract(InvocationManager.class);
if (iv != null) {
ComponentInvocation inv = iv.getCurrentInvocation();
if (inv != null) {
TransactionOperationsManager toMgr =
(TransactionOperationsManager)inv.getTransactionOperationsManager();
if ( toMgr != null ) {
toMgr.userTransactionLookupAllowed();
}
}
}
}
}