Examples with Operation org.apache.openejb.core.Operation used on opensource projects

Example 11 with Operation

use of org.apache.openejb.core.Operation in project tomee by apache.

the class ManagedContainer method obtainInstance.

private Instance obtainInstance(final Object primaryKey, final ThreadContext callContext) throws OpenEJBException {
    if (primaryKey == null) {
        throw new SystemException(new NullPointerException("Cannot obtain an instance of the stateful session bean with a null session id"));
    }
    final Transaction currentTransaction = getTransaction(callContext);
    // Find the instance
    Instance instance = checkedOutInstances.get(primaryKey);
    if (instance == null) {
        try {
            instance = cache.checkOut(primaryKey);
        } catch (final OpenEJBException e) {
            throw e;
        } catch (final Exception e) {
            throw new SystemException("Unexpected load exception", e);
        }
        // Did we find the instance?
        if (instance == null) {
            throw new InvalidateReferenceException(new NoSuchObjectException("Not Found"));
        }
        // remember instance until it is returned to the cache
        checkedOutInstances.put(primaryKey, instance);
    }
    synchronized (this) {
        if (instance.isInUse()) {
            // the bean is already being invoked; the only reentrant/concurrent operations allowed are Session synchronization callbacks
            final Operation currentOperation = callContext.getCurrentOperation();
            if (currentOperation != Operation.AFTER_COMPLETION && currentOperation != Operation.BEFORE_COMPLETION) {
                throw new ApplicationException(new RemoteException("Concurrent calls not allowed."));
            }
        }
        if (instance.getTransaction() != null) {
            if (!instance.getTransaction().equals(currentTransaction) && !instance.getLock().tryLock()) {
                throw new ApplicationException(new RemoteException("Instance is in a transaction and cannot be invoked outside that transaction.  See EJB 3.0 Section 4.4.4"));
            }
        } else {
            instance.setTransaction(currentTransaction);
        }
        // Mark the instance in use so we can detect reentrant calls
        instance.setInUse(true);
        return instance;
    }
}

Example 12 with Operation

use of org.apache.openejb.core.Operation in project tomee by apache.

the class SingletonInstanceManager method createInstance.

private Instance createInstance(final ThreadContext callContext, final BeanContext beanContext) throws ApplicationException {
    try {
        initializeDependencies(beanContext);
        final InstanceContext context = beanContext.newInstance();
        if (context.getBean() instanceof SessionBean) {
            final Operation originalOperation = callContext.getCurrentOperation();
            try {
                callContext.setCurrentOperation(Operation.CREATE);
                final Method create = beanContext.getCreateMethod();
                final InterceptorStack ejbCreate = new InterceptorStack(context.getBean(), create, Operation.CREATE, new ArrayList<InterceptorData>(), new HashMap());
                ejbCreate.invoke();
            } finally {
                callContext.setCurrentOperation(originalOperation);
            }
        }
        final ReadWriteLock lock;
        if (beanContext.isBeanManagedConcurrency()) {
            // Bean-Managed Concurrency
            lock = new BeanManagedLock();
        } else {
            // Container-Managed Concurrency
            lock = new ReentrantReadWriteLock();
        }
        return new Instance(context.getBean(), context.getInterceptors(), context.getCreationalContext(), lock);
    } catch (Throwable e) {
        if (e instanceof InvocationTargetException) {
            e = ((InvocationTargetException) e).getTargetException();
        }
        final String t = "The bean instance " + beanContext.getDeploymentID() + " threw a system exception:" + e;
        logger.error(t, e);
        throw new ApplicationException(new NoSuchEJBException("Singleton failed to initialize").initCause(e));
    }
}