| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| // 12/14/2017-3.0 Tomas Kraus |
| // - 291546: Performance degradation due to usage of Vector in DescriptorEventManager |
| package org.eclipse.persistence.testing.models.events; |
| |
| import java.util.List; |
| |
| import org.eclipse.persistence.descriptors.DescriptorEvent; |
| import org.eclipse.persistence.descriptors.DescriptorEventListener; |
| import org.eclipse.persistence.descriptors.DescriptorEventManager; |
| import org.eclipse.persistence.queries.ObjectLevelModifyQuery; |
| |
| public class CustomerDescriptorEventListener implements DescriptorEventListener { |
| @Override |
| public void aboutToInsert(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void aboutToDelete(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void aboutToUpdate(DescriptorEvent event) { |
| } |
| |
| @Override |
| public boolean isOverriddenEvent(DescriptorEvent event, List<DescriptorEventManager> eventManagers) { |
| return false; |
| } |
| |
| @Override |
| public void postBuild(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void postClone(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void postDelete(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void postInsert(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void postMerge(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void postRefresh(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void postUpdate(DescriptorEvent event) { |
| ObjectLevelModifyQuery query = (ObjectLevelModifyQuery)event.getQuery(); |
| Customer customer = (Customer)query.getObject(); |
| if (customer.postWrite) { |
| event.updateAttributeWithObject("name", "PostWrite"); |
| event.updateAttributeAddObjectToCollection("associations", null, "PostWrite"); |
| event.updateAttributeRemoveObjectFromCollection("associations", null, "Mickey Mouse Club"); |
| event.updateAttributeAddObjectToCollection("orders", null, Order.example4()); |
| customer.creditCard.number = "0"; |
| event.updateAttributeWithObject("creditCard", customer.creditCard); |
| } |
| |
| // In this event we will modify the object to ensure that the changes |
| // get merged. |
| } |
| |
| @Override |
| public void postWrite(DescriptorEvent event) { |
| } |
| |
| public void preCreate(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void preDelete(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void preInsert(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void preRemove(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void preUpdate(DescriptorEvent event) { |
| ObjectLevelModifyQuery query = (ObjectLevelModifyQuery)event.getQuery(); |
| Customer customer = (Customer)query.getObject(); |
| if (customer.preUpdate) { |
| customer.associations.add("PreUpdate"); |
| } |
| |
| // in this preUpdate event we will modify the object so that a changeSet will |
| // be created. |
| } |
| |
| @Override |
| public void preWrite(DescriptorEvent event) { |
| ObjectLevelModifyQuery query = (ObjectLevelModifyQuery)event.getQuery(); |
| Customer customer = (Customer)query.getObject(); |
| if (customer.preWrite) { |
| customer.name = "PreWrite"; |
| } |
| |
| // In this event we will modify the object to ensure that the changes |
| // get merged. |
| } |
| |
| @Override |
| public void prePersist(DescriptorEvent event) { |
| } |
| |
| @Override |
| public void preUpdateWithChanges(DescriptorEvent event) { |
| } |
| } |