/** @return the cached ObjectMapper */
@SuppressWarnings("unchecked")
public synchronized T getObjectFactory() {
if (this._ObjectMapper == null)
try {
this._ObjectMapper = (T) ClassUtil.instantiate(this.contextID.getObjectFactoryType());
} catch (final CoalaException e) {
throw CoalaExceptionFactory.INCONSTRUCTIBLE.createRuntime(
e, this.contextID.getObjectFactoryType(), null);
}
return this._ObjectMapper;
}
/**
* @param provider
* @param stageObserver
* @return
* @throws Throwable
*/
public static <T> T inject(final Provider<T> provider, final Observer<StageChange> stageObserver)
throws Throwable {
@SuppressWarnings("unchecked")
final Class<T> type =
(Class<T>) ClassUtil.getTypeArguments(Provider.class, provider.getClass()).get(0);
boolean success = true;
if (stageObserver != null)
stageObserver.onNext(new StageChangeImpl(type, null, Stage.PREPARING, null));
success &= invokeEventHandlers(stageObserver, type, null, null, StageEvent.BEFORE_PROVIDE);
success &=
invokeStages(
stageObserver, type, null, findStages(type, InjectStaged.BEFORE_PROVIDE_SELECTOR));
if (stageObserver != null)
stageObserver.onNext(new StageChangeImpl(type, null, Stage.PROVIDING, null));
final FinalizeDecorator<T> subject =
FinalizeDecorator.from(stageObserver, type, provider.get());
if (stageObserver != null)
stageObserver.onNext(new StageChangeImpl(type, subject.getTarget(), Stage.PROVIDED, null));
success &=
invokeEventHandlers(
stageObserver, type, subject.getTarget(), null, StageEvent.AFTER_PROVIDE);
success &=
invokeStages(
stageObserver,
type,
subject.getTarget(),
findStages(type, InjectStaged.AFTER_PROVIDE_SELECTOR));
if (stageObserver != null && success)
stageObserver.onNext(new StageChangeImpl(type, subject.getTarget(), Stage.STOPPED, null));
return subject.getTarget();
}