andi-huber commented on code in PR #1044: URL: https://github.com/apache/isis/pull/1044#discussion_r938411566
########## core/runtimeservices/src/main/java/org/apache/isis/core/runtimeservices/publish/LifecycleCallbackNotifier.java: ########## @@ -0,0 +1,142 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.isis.core.runtimeservices.publish; + +import java.util.LinkedHashSet; +import java.util.Optional; +import java.util.Set; +import java.util.function.Consumer; + +import javax.annotation.Priority; +import javax.inject.Inject; +import javax.inject.Named; + +import org.springframework.beans.factory.annotation.Qualifier; +import org.springframework.stereotype.Component; + +import org.apache.isis.applib.annotation.InteractionScope; +import org.apache.isis.applib.annotation.PriorityPrecedence; +import org.apache.isis.applib.events.lifecycle.AbstractLifecycleEvent; +import org.apache.isis.applib.services.bookmark.Bookmark; +import org.apache.isis.applib.services.eventbus.EventBusService; +import org.apache.isis.applib.services.iactnlayer.InteractionService; +import org.apache.isis.commons.internal.factory._InstanceUtil; +import org.apache.isis.core.metamodel.facets.object.callbacks.CallbackFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.CreatedCallbackFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.CreatedLifecycleEventFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.LifecycleEventFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.LoadedCallbackFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.LoadedLifecycleEventFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.PersistedCallbackFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.PersistedLifecycleEventFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.PersistingCallbackFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.PersistingLifecycleEventFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.RemovingCallbackFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.RemovingLifecycleEventFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.UpdatedCallbackFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.UpdatedLifecycleEventFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.UpdatingCallbackFacet; +import org.apache.isis.core.metamodel.facets.object.callbacks.UpdatingLifecycleEventFacet; +import org.apache.isis.core.metamodel.spec.ManagedObject; +import org.apache.isis.core.runtimeservices.IsisModuleCoreRuntimeServices; +import org.apache.isis.core.transaction.changetracking.events.PostStoreEvent; +import org.apache.isis.core.transaction.changetracking.events.PreStoreEvent; + +import lombok.RequiredArgsConstructor; +import lombok.val; + +/** + * Calls lifecycle callbacks for entities, ensuring that any given entity is only ever called once. + * @since 2.0 {@index} + */ +@Component +@Named(IsisModuleCoreRuntimeServices.NAMESPACE + ".LifecycleCallbackNotifier") +@Priority(PriorityPrecedence.EARLY) +@RequiredArgsConstructor(onConstructor_ = {@Inject}) +@Qualifier("Default") +//@Log4j2 +public class LifecycleCallbackNotifier { + + final EventBusService eventBusService; + + public void postCreate(ManagedObject entity) { + CallbackFacet.callCallback(entity, CreatedCallbackFacet.class); + postLifecycleEventIfRequired(entity, CreatedLifecycleEventFacet.class); + } + + public void postLoad(ManagedObject entity) { + CallbackFacet.callCallback(entity, LoadedCallbackFacet.class); + postLifecycleEventIfRequired(entity, LoadedLifecycleEventFacet.class); + } + + public void prePersist(ManagedObject entity) { + eventBusService.post(PreStoreEvent.of(entity.getPojo())); + CallbackFacet.callCallback(entity, PersistingCallbackFacet.class); + postLifecycleEventIfRequired(entity, PersistingLifecycleEventFacet.class); + } + + public void postPersist(ManagedObject entity) { + eventBusService.post(PostStoreEvent.of(entity.getPojo())); + CallbackFacet.callCallback(entity, PersistedCallbackFacet.class); + postLifecycleEventIfRequired(entity, PersistedLifecycleEventFacet.class); + } + + public void preUpdate(ManagedObject entity) { + eventBusService.post(PreStoreEvent.of(entity.getPojo())); + CallbackFacet.callCallback(entity, UpdatingCallbackFacet.class); + postLifecycleEventIfRequired(entity, UpdatingLifecycleEventFacet.class); + } + + public void postUpdate(ManagedObject entity) { + CallbackFacet.callCallback(entity, UpdatedCallbackFacet.class); + postLifecycleEventIfRequired(entity, UpdatedLifecycleEventFacet.class); + } + + public void preRemove(ManagedObject entity) { + CallbackFacet.callCallback(entity, RemovingCallbackFacet.class); + postLifecycleEventIfRequired(entity, RemovingLifecycleEventFacet.class); + } + + + // -- HELPER + + @SuppressWarnings({ "unchecked", "rawtypes" }) + protected void postLifecycleEventIfRequired( + final ManagedObject adapter, + final Class<? extends LifecycleEventFacet> lifecycleEventFacetClass) { + + val lifecycleEventFacet = adapter.getSpecification().getFacet(lifecycleEventFacetClass); Review Comment: TODO: guard against empty adapter -- This is an automated message from the Apache Git Service. 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