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package com.sun.ejb.containers;
import org.glassfish.api.invocation.ComponentInvocation;
import javax.ejb.TimerService;
import javax.ejb.EJBException;
import javax.transaction.TransactionManager;
import javax.transaction.Status;
import javax.naming.InitialContext;
import java.util.logging.Level;
/**
* Implementation of EJBContext for Singleton SessionBeans
*
* @author Mahesh Kannan
*/
public final class SingletonContextImpl
extends AbstractSessionContextImpl {
SingletonContextImpl(Object ejb, BaseContainer container) {
super(ejb, container);
try {
initialContext = new InitialContext();
} catch(Exception ex) {
_logger.log(Level.FINE, "Exception in creating InitialContext",
ex);
}
}
@Override
public TimerService getTimerService() throws IllegalStateException {
// Instance key is first set after dependency injection but
// before ejbCreate
if ( instanceKey == null ) {
throw new IllegalStateException("Operation not allowed");
}
EJBTimerService timerService = EJBTimerService.getValidEJBTimerService();
return new EJBTimerServiceWrapper(timerService, this);
}
@Override
public void setRollbackOnly()
throws IllegalStateException
{
if (instanceKey == null) {
throw new IllegalStateException("Singleton setRollbackOnly not allowed");
}
if ( container.isBeanManagedTran ) {
throw new IllegalStateException(
"Illegal operation for bean-managed transactions");
}
doGetSetRollbackTxAttrCheck();
TransactionManager tm = EjbContainerUtilImpl.getInstance().getTransactionManager();
try {
if ( tm.getStatus() == Status.STATUS_NO_TRANSACTION ) {
// EJB might be in a non-business method (for SessionBeans)
// or afterCompletion.
// OR this was a NotSupported/Never/Supports
// EJB which was invoked without a global transaction.
// In that case the JDBC connection would have autoCommit=true
// so the container doesnt have to do anything.
throw new IllegalStateException("No transaction context.");
}
tm.setRollbackOnly();
} catch (Exception ex) {
IllegalStateException illEx = new IllegalStateException(ex.toString());
illEx.initCause(ex);
throw illEx;
}
}
@Override
public boolean getRollbackOnly()
throws IllegalStateException
{
if (instanceKey == null) {
throw new IllegalStateException("Singleton getRollbackOnly not allowed");
}
if ( container.isBeanManagedTran ) {
throw new IllegalStateException(
"Illegal operation for bean-managed transactions");
}
doGetSetRollbackTxAttrCheck();
TransactionManager tm = EjbContainerUtilImpl.getInstance().getTransactionManager();
try {
int status = tm.getStatus();
if ( status == Status.STATUS_NO_TRANSACTION ) {
// EJB which was invoked without a global transaction.
throw new IllegalStateException("No transaction context.");
}
return ( status == Status.STATUS_MARKED_ROLLBACK ||
status == Status.STATUS_ROLLEDBACK ||
status == Status.STATUS_ROLLING_BACK );
} catch (Exception ex) {
IllegalStateException illEx = new IllegalStateException(ex.toString());
illEx.initCause(ex);
throw illEx;
}
}
@Override
public void checkTimerServiceMethodAccess()
throws IllegalStateException
{
if ( instanceKey == null ) {
throw new IllegalStateException
("EJB Timer method calls cannot be called in this context");
}
}
@Override
public synchronized Object lookup(String name) {
Object o = null;
if( name == null ) {
throw new IllegalArgumentException("Argument is null");
}
if( initialContext == null ) {
throw new IllegalArgumentException("InitialContext is null");
}
try {
// if name starts with java: use it as is. Otherwise, treat it
// as relative to the private component namespace.
String lookupString = name.startsWith("java:") ?
name : "java:comp/env/" + name;
o = initialContext.lookup(lookupString);
} catch(Exception e) {
throw new IllegalArgumentException(e);
}
return o;
}
}