Java tutorial
/* * Copyright 2012-2015 the original author or 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 elasticsearch; import org.elasticsearch.index.query.QueryBuilders; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.CommandLineRunner; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class SampleElasticsearchApplication implements CommandLineRunner { @Autowired private CustomerRepository repository; public void run(String... args) throws Exception { this.repository.deleteAll(); saveCustomers(); fetchAllCustomers(); fetchIndividualCustomers(); } private void saveCustomers() { this.repository.save(new Customer("Alice", "Smith")); this.repository.save(new Customer("Bob", "Smith")); } private void fetchAllCustomers() { System.out.println("Customers found with findAll():"); System.out.println("-------------------------------"); for (Customer customer : this.repository.findAll()) { System.out.println(customer); } System.out.println(); } private void fetchIndividualCustomers() { System.out.println("Customer found with findByFirstName('Alice'):"); System.out.println("--------------------------------"); System.out.println(this.repository.findByFirstName("Alice")); System.out.println("Customers found with findByLastName('Smith'):"); System.out.println("--------------------------------"); for (Customer customer : this.repository.findByLastName("Smith")) { System.out.println(customer); } } public static void main(String[] args) throws Exception { SpringApplication.run(SampleElasticsearchApplication.class, "--debug").close(); Thread.sleep(1000000l); } }