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#153 - Add typed and untyped Examples.
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‎jpa/query-by-example/src/main/java/example/springdata/jpa/querybyexample/SpecialUser.java

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/*
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* Copyright 2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package example.springdata.jpa.querybyexample;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import javax.persistence.Entity;
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/**
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* Sample class that extends {@link User}.
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*
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* @author Mark Paluch
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*/
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@Entity
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@Data
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@NoArgsConstructor
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public class SpecialUser extends User {
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public SpecialUser(String firstname, String lastname, Integer age) {
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super(firstname, lastname, age);
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}
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}

‎jpa/query-by-example/src/test/java/example/springdata/jpa/querybyexample/UserRepositoryInheritanceIntegrationTests.java

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/*
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* Copyright 2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package example.springdata.jpa.querybyexample;
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import static org.hamcrest.CoreMatchers.*;
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import static org.junit.Assert.*;
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import static org.springframework.data.domain.ExampleSpec.GenericPropertyMatchers.*;
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import static org.springframework.data.domain.ExampleSpec.GenericPropertyMatchers.startsWith;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.SpringApplicationConfiguration;
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import org.springframework.data.domain.Example;
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import org.springframework.data.domain.ExampleSpec;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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import org.springframework.transaction.annotation.Transactional;
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/**
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* Integration test showing the usage of JPA Query-by-Example support through Spring Data repositories.
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*
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* @author Mark Paluch
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*/
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@RunWith(SpringJUnit4ClassRunner.class)
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@Transactional
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@SpringApplicationConfiguration(classes = ApplicationConfiguration.class)
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public class UserRepositoryInheritanceIntegrationTests {
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@Autowired UserRepository repository;
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User skyler, walter, flynn;
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@Before
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public void setUp() {
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repository.deleteAll();
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this.skyler = repository.save(new User("Skyler", "White", 45));
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this.walter = repository.save(new SpecialUser("Walter", "White", 50));
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this.flynn = repository.save(new SpecialUser("Walter Jr. (Flynn)", "White", 17));
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}
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void countBySimpleExample() {
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Example<User> example = Example.of(new SpecialUser(null, "White", null));
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assertThat(repository.count(example), is(3L));
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}
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void countUserByTypedExample() {
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Example<User> example = Example.of(new SpecialUser(null, "White", null), //
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ExampleSpec.typed(User.class));
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assertThat(repository.count(example), is(3L));
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}
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void countSpecialUserByTypedExample() {
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Example<SpecialUser> example = Example.of(new SpecialUser(null, "White", null), //
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ExampleSpec.typed(SpecialUser.class));
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assertThat(repository.count(example), is(2L));
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}
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}

‎jpa/query-by-example/src/test/java/example/springdata/jpa/querybyexample/UserRepositoryIntegrationTests.java

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@SpringApplicationConfiguration(classes = ApplicationConfiguration.class)
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public class UserRepositoryIntegrationTests {
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@Autowired UserRepository repository;
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@Autowired
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UserRepository repository;
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User skyler, walter, flynn, marie, hank;
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User skyler, walter, flynn, marie, hank;
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@Before
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public void setUp() {
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@Before
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public void setUp() {
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repository.deleteAll();
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repository.deleteAll();
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this.skyler = repository.save(new User("Skyler", "White", 45));
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this.walter = repository.save(new User("Walter", "White", 50));
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this.flynn = repository.save(new User("Walter Jr. (Flynn)", "White", 17));
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this.marie = repository.save(new User("Marie", "Schrader", 38));
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this.hank = repository.save(new User("Hank", "Schrader", 43));
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}
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this.skyler = repository.save(new User("Skyler", "White", 45));
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this.walter = repository.save(new User("Walter", "White", 50));
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this.flynn = repository.save(new User("Walter Jr. (Flynn)", "White", 17));
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this.marie = repository.save(new User("Marie", "Schrader", 38));
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this.hank = repository.save(new User("Hank", "Schrader", 43));
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}
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void countBySimpleExample() {
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void countBySimpleExample() {
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Example<User> example = Example.of(new User(null, "White", null));
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Example<User> example = Example.of(new User(null, "White", null));
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assertThat(repository.count(example), is(3L));
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}
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assertThat(repository.count(example), is(3L));
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}
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void ignorePropertiesAndMatchByAge() {
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void ignorePropertiesAndMatchByAge() {
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ExampleSpec<User> exampleSpec = ExampleSpec.of(User.class). //
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withIgnorePaths("firstname", "lastname");
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ExampleSpec exampleSpec = ExampleSpec.untyped(). //
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withIgnorePaths("firstname", "lastname");
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assertThat(repository.findOne(Example.of(flynn, exampleSpec)), is(flynn));
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}
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assertThat(repository.findOne(Example.of(flynn, exampleSpec)), is(flynn));
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}
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void substringMatching() {
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void substringMatching() {
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ExampleSpec<User> exampleSpec = ExampleSpec.of(User.class).//
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withStringMatcherEnding();
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ExampleSpec exampleSpec = ExampleSpec.untyped().//
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withStringMatcherEnding();
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assertThat(repository.findAll(Example.of(new User("er", null, null), exampleSpec)), hasItems(skyler, walter));
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}
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assertThat(repository.findAll(Example.of(new User("er", null, null), exampleSpec)), hasItems(skyler, walter));
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}
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void matchStartingStringsIgnoreCase() {
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void matchStartingStringsIgnoreCase() {
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ExampleSpec<User> exampleSpec = ExampleSpec.of(User.class). //
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withIgnorePaths("age").//
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withMatcher("firstname", startsWith()).//
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withMatcher("lastname", ignoreCase());
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ExampleSpec exampleSpec = ExampleSpec.untyped(). //
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withIgnorePaths("age").//
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withMatcher("firstname", startsWith()).//
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withMatcher("lastname", ignoreCase());
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assertThat(repository.findAll(Example.of(new User("Walter", "WHITE", null), exampleSpec)), hasItems(flynn, walter));
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}
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assertThat(repository.findAll(Example.of(new User("Walter", "WHITE", null), exampleSpec)), hasItems(flynn, walter));
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}
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void configuringMatchersUsingLambdas() {
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void configuringMatchersUsingLambdas() {
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ExampleSpec<User> exampleSpec = ExampleSpec.of(User.class).withIgnorePaths("age"). //
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withMatcher("firstname", matcher -> matcher.startsWith()). //
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withMatcher("lastname", matcher -> matcher.ignoreCase());
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ExampleSpec exampleSpec = ExampleSpec.untyped().withIgnorePaths("age"). //
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withMatcher("firstname", matcher -> matcher.startsWith()). //
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withMatcher("lastname", matcher -> matcher.ignoreCase());
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assertThat(repository.findAll(Example.of(new User("Walter", "WHITE", null), exampleSpec)), hasItems(flynn, walter));
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}
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assertThat(repository.findAll(Example.of(new User("Walter", "WHITE", null), exampleSpec)), hasItems(flynn, walter));
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}
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void valueTransformer() {
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/**
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* @see DATAJPA-218
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*/
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@Test
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public void valueTransformer() {
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ExampleSpec<User> exampleSpec = ExampleSpec.of(User.class). //
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withMatcher("age", matcher -> matcher.transform(value -> Integer.valueOf(50)));
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ExampleSpec exampleSpec = ExampleSpec.untyped(). //
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withMatcher("age", matcher -> matcher.transform(value -> Integer.valueOf(50)));
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assertThat(repository.findAll(Example.of(new User(null, "White", 99), exampleSpec)), hasItems(walter));
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}
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assertThat(repository.findAll(Example.of(new User(null, "White", 99), exampleSpec)), hasItems(walter));
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}
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}

‎mongodb/query-by-example/src/main/java/example/springdata/mongodb/querybyexample/Contact.java

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/*
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* Copyright 2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package example.springdata.mongodb.querybyexample;
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import lombok.Data;
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import lombok.RequiredArgsConstructor;
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import org.bson.types.ObjectId;
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import org.springframework.data.annotation.Id;
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import org.springframework.data.mongodb.core.mapping.Document;
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/**
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* Sample contact class.
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*
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* @author Mark Paluch
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*/
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@Data
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@RequiredArgsConstructor
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@Document(collection = "collectionStoringTwoTypes")
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public class Contact {
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@Id //
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private ObjectId id;
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private final String firstname;
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private final String lastname;
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private final Integer age;
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}

‎mongodb/query-by-example/src/main/java/example/springdata/mongodb/querybyexample/ContactRepository.java

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/*
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* Copyright 2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package example.springdata.mongodb.querybyexample;
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import org.springframework.data.repository.CrudRepository;
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import org.springframework.data.repository.query.QueryByExampleExecutor;
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/**
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* Simple repository interface for {@link Contact} instances. The interface implements {@link QueryByExampleExecutor} and
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* allows execution of methods accepting {@link org.springframework.data.domain.Example}.
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*
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* @author Mark Paluch
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*/
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public interface ContactRepository extends CrudRepository<Contact, Long>, QueryByExampleExecutor<Contact> {
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}

‎mongodb/query-by-example/src/main/java/example/springdata/mongodb/querybyexample/User.java

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*/
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@Data
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@RequiredArgsConstructor
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@Document
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@Document(collection = "collectionStoringTwoTypes")
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public class User {
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@Id //

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