/***************************************************************** * 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.cayenne.tutorial.persistent.client; import org.apache.cayenne.ObjectContext; import org.apache.cayenne.configuration.rop.client.ClientConstants; import org.apache.cayenne.configuration.rop.client.ClientRuntime; import org.apache.cayenne.query.ObjectSelect; import java.util.HashMap; import java.util.List; import java.util.Map; public class Main { public static void main(String[] args) { Map<String, String> properties = new HashMap<>(); properties.put(ClientConstants.ROP_SERVICE_URL_PROPERTY, "http://localhost:8080/tutorial-rop-server/cayenne-service"); properties.put(ClientConstants.ROP_SERVICE_USERNAME_PROPERTY, "cayenne-user"); properties.put(ClientConstants.ROP_SERVICE_PASSWORD_PROPERTY, "secret"); ClientRuntime runtime = new ClientRuntime(properties); ObjectContext context = runtime.newContext(); newObjectsTutorial(context); selectTutorial(context); deleteTutorial(context); runtime.shutdown(); } static void newObjectsTutorial(ObjectContext context) { // creating new Artist Artist picasso = context.newObject(Artist.class); picasso.setName("Pablo Picasso"); // Creating other objects Gallery metropolitan = context.newObject(Gallery.class); metropolitan.setName("Metropolitan Museum of Art"); Painting girl = context.newObject(Painting.class); girl.setName("Girl Reading at a Table"); Painting stein = context.newObject(Painting.class); stein.setName("Gertrude Stein"); // connecting objects together via relationships picasso.addToPaintings(girl); picasso.addToPaintings(stein); girl.setGallery(metropolitan); stein.setGallery(metropolitan); // saving all the changes above context.commitChanges(); } static void selectTutorial(ObjectContext context) { // ObjectSelect examples List<Painting> paintings1 = ObjectSelect.query(Painting.class).select(context); List<Painting> paintings2 = ObjectSelect.query(Painting.class) .where(Painting.NAME.likeIgnoreCase("gi%")).select(context); } static void deleteTutorial(ObjectContext context) { // Delete object example Artist picasso = ObjectSelect.query(Artist.class).where(Artist.NAME.eq("Pablo Picasso")).selectOne(context); if (picasso != null) { context.deleteObjects(picasso); context.commitChanges(); } } }