/**
* Returns the children name associated with this config instance. This is by definition a subset
* of the element names as known to the model {#see ConfigModel.getElementNames(). @Return list of
* elements names associated with this config instance
*/
public Set<String> getElementNames() {
Set<String> names = new HashSet<String>();
for (Child child : children) {
names.add(child.name);
}
return names;
}
/* package */ void ensureConstraints(List<Child> children) {
Set<String> nullElements = new HashSet<String>(model.getElementNames());
for (Child child : children) {
nullElements.remove(child.name);
}
for (String s : nullElements) {
ConfigModel.Property p = model.getElement(s);
for (String annotation : p.getAnnotations()) {
if (annotation.equals(NotNull.class.getName())) {
if (p instanceof ConfigModel.Node) {
ConfigModel childModel = ((ConfigModel.Node) p).model;
Dom child = document.make(getHabitat(), null, this, childModel);
child.register();
children.add(new Dom.NodeChild(s, child));
// recursive call to ensure the children constraints are also respected
List<Child> grandChildren = new ArrayList<Child>();
child.ensureConstraints(grandChildren);
if (!grandChildren.isEmpty()) {
child.setChildren(grandChildren);
}
child.initializationCompleted();
}
}
}
}
}
/* package */ @SuppressWarnings({"unchecked"})
void register() {
ServiceLocator locator = getServiceLocator();
ActiveDescriptor<?> myselfReified = locator.reifyDescriptor(this);
DynamicConfigurationService dcs = locator.getService(DynamicConfigurationService.class);
DynamicConfiguration dc = dcs.createDynamicConfiguration();
// habitat.add(this);
HK2Loader loader = this.model.classLoaderHolder;
Set<Type> ctrs = new HashSet<Type>();
ctrs.add(myselfReified.getImplementationClass());
if (ConfigBean.class.isAssignableFrom(this.getClass())) {
ctrs.add(ConfigBean.class);
}
DomDescriptor<Dom> domDesc =
new DomDescriptor<Dom>(
this, ctrs, Singleton.class, getImplementation(), new HashSet<Annotation>());
domDesc.setLoader(loader);
domDescriptor = dc.addActiveDescriptor(domDesc, false);
String key = getKey();
for (String contract : model.contracts) {
ActiveDescriptor<Dom> alias = new AliasDescriptor<Dom>(locator, domDescriptor, contract, key);
dc.addActiveDescriptor(alias, false);
}
if (key != null) {
ActiveDescriptor<Dom> alias =
new AliasDescriptor<Dom>(locator, domDescriptor, model.targetTypeName, key);
dc.addActiveDescriptor(alias, false);
}
dc.commit();
serviceHandle = getHabitat().getServiceHandle(domDescriptor);
}
public boolean removeListener(ConfigListener listener) {
return listeners.remove(listener);
}
public void addListener(ConfigListener listener) {
if (listener == null) {
throw new IllegalArgumentException("Listener cannot be null");
}
listeners.add(listener);
}