@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);
}
}
protected <T> T createViewInstanceProxy(
final Class<T> viewInterface,
final Map<Object, Object> contextData,
final ServiceName serviceName) {
final ServiceController<?> serviceController =
CurrentServiceContainer.getServiceContainer().getRequiredService(serviceName);
final ComponentView view = (ComponentView) serviceController.getValue();
final ManagedReference instance = view.createInstance(contextData);
return viewInterface.cast(instance.getInstance());
}
protected <T> T createViewInstanceProxy(
final Class<T> viewInterface,
final Map<Object, Object> contextData,
final ServiceName serviceName) {
final ServiceController<?> serviceController =
currentServiceContainer().getRequiredService(serviceName);
final ComponentView view = (ComponentView) serviceController.getValue();
final ManagedReference instance;
try {
instance = view.createInstance(contextData);
} catch (Exception e) {
// TODO: do we need to let the exception propagate here?
throw new RuntimeException(e);
}
return viewInterface.cast(instance.getInstance());
}
/**
* Gets endpoint container lazily.
*
* @return endpoint container
*/
protected ComponentView getComponentView() {
// we need to check both, otherwise it is possible for
// componentView to be initialized before reference
if (componentView == null) {
synchronized (this) {
if (componentView == null) {
componentView = getMSCService(componentViewName, ComponentView.class);
if (componentView == null) {
throw WSLogger.ROOT_LOGGER.cannotFindComponentView(componentViewName);
}
if (reference == null) {
try {
reference = componentView.createInstance();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
}
}
return componentView;
}
