public ComponentDescriptor getComponentDescriptor(
String role, String hint, ClassRealm classRealm) {
ComponentDescriptor result = componentRepository.getComponentDescriptor(role, hint, classRealm);
ClassRealm tmpRealm = classRealm.getParentRealm();
while (result == null && tmpRealm != null) {
result = componentRepository.getComponentDescriptor(role, hint, classRealm);
tmpRealm = tmpRealm.getParentRealm();
}
if (result == null && parentContainer != null) {
result = parentContainer.getComponentDescriptor(role, hint, classRealm);
}
return result;
}
public ComponentDescriptor getComponentDescriptor(String componentKey) {
ComponentDescriptor result = componentRepository.getComponentDescriptor(componentKey);
if (result == null && parentContainer != null) {
result = parentContainer.getComponentDescriptor(componentKey);
}
return result;
}
public Object lookup(String componentKey) throws ComponentLookupException {
Object component = null;
ComponentManager componentManager =
componentManagerManager.findComponentManagerByComponentKey(componentKey);
// The first time we lookup a component a component manager will not exist so we ask the
// component manager manager to create a component manager for us.
if (componentManager == null) {
ComponentDescriptor descriptor = componentRepository.getComponentDescriptor(componentKey);
if (descriptor == null) {
if (parentContainer != null) {
return parentContainer.lookup(componentKey);
}
getLogger().error("Nonexistent component: " + componentKey);
String message =
"Component descriptor cannot be found in the component repository: "
+ componentKey
+ ".";
throw new ComponentLookupException(message);
}
componentManager = createComponentManager(descriptor);
}
try {
component = componentManager.getComponent();
} catch (ComponentInstantiationException e) {
throw new ComponentLookupException(
"Unable to lookup component '" + componentKey + "', it could not be created", e);
} catch (ComponentLifecycleException e) {
throw new ComponentLookupException(
"Unable to lookup component '" + componentKey + "', it could not be started", e);
}
componentManagerManager.associateComponentWithComponentManager(component, componentManager);
return component;
}
