@Override
public <T> T getBusinessObject(SessionContext ctx, Class<T> businessInterface)
throws IllegalStateException {
if (businessInterface == null) {
throw new IllegalStateException("Business interface type cannot be null");
}
final Serializable sessionId =
((SessionBeanComponentInstance.SessionBeanComponentInstanceContext) ctx).getId();
if (viewServices.containsKey(businessInterface.getName())) {
final ServiceController<?> serviceController =
CurrentServiceRegistry.getServiceRegistry()
.getRequiredService(viewServices.get(businessInterface.getName()));
final ComponentView view = (ComponentView) serviceController.getValue();
final ComponentViewInstance instance;
if (sessionId != null) {
instance =
view.createInstance(
Collections.<Object, Object>singletonMap(
StatefulSessionComponent.SESSION_ATTACH_KEY, sessionId));
} else {
instance = view.createInstance();
}
return (T) instance.createProxy();
} else {
throw new IllegalStateException(
"View of type " + businessInterface + " not found on bean " + this);
}
}
@Override
public Object processInvocation(InterceptorContext context) throws Exception {
final Method invokedMethod = context.getMethod();
final ComponentViewInstance componentViewInstance =
context.getPrivateData(ComponentViewInstance.class);
// For a lifecycle interception, the ComponentViewInstance (and the invoked business interface)
// will be null.
// On a normal method invocation, the invoked business interface will be obtained from the
// ComponentViewInstance
final Class<?> invokedBusinessInterface =
componentViewInstance == null ? null : componentViewInstance.getViewClass();
Object[] parameters = context.getParameters();
SessionInvocationContext sessionInvocationContext =
new CustomSessionInvocationContext(
lifecycleCallback, context, invokedBusinessInterface, invokedMethod, parameters);
context.putPrivateData(InvocationContext.class, sessionInvocationContext);
CurrentInvocationContext.push(sessionInvocationContext);
try {
return context.proceed();
} finally {
CurrentInvocationContext.pop();
context.putPrivateData(InvocationContext.class, null);
}
}