Java tutorial
/* * Copyright 2015 The original authors * * Licensed 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 by.bigvova.backend; import by.bigvova.backend.controllers.MealController; import by.bigvova.logging.LoggerWrapper; import com.vaadin.ui.Notification; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.ApplicationContext; import org.springframework.jdbc.datasource.init.ScriptUtils; import org.springframework.stereotype.Service; import javax.sql.DataSource; import java.sql.SQLException; /** * Implementation of {@link by.bigvova.backend.MyBackend}. * * @author Petter Holmstrm (petter@vaadin.com) */ @Service public class MyBackendBean implements MyBackend { @Autowired private ApplicationContext ctx; @Autowired private DataSource dataSource; @Autowired private MealController controller; @Override public String adminOnlyEcho(String s) { return "admin:" + s; } @Override public String echo(String s) { return s; } @Override public void populateDB() { try { ScriptUtils.executeSqlScript(dataSource.getConnection(), ctx.getResource("classpath:db/initAndPopulateBigDB.sql")); controller.cacheEvict(); Notification.show("Done!!!"); } catch (SQLException e) { e.printStackTrace(); } } }