BAEL-2803 (#6640)
* added sample code for eval article * BAEL-2803 Sample Code * updated tests, repo method names * moved sources for BAEL-2803 here * removed dependencies introduced by BAEL-2803 * re-added sources * moved code to new module * removed eval article code
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package com.baeldung.exists;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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/**
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* @author paullatzelsperger
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* @since 2019-03-20
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*/
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@Entity
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public class Car {
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@Id
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@GeneratedValue
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private int id;
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private Integer power;
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private String model;
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Car() {
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}
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public Car(int power, String model) {
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this.power = power;
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this.model = model;
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}
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public Integer getPower() {
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return power;
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}
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public void setPower(Integer power) {
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this.power = power;
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}
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public String getModel() {
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return model;
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}
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public void setModel(String model) {
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this.model = model;
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}
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public int getId() {
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return id;
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}
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}
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@ -0,0 +1,24 @@
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package com.baeldung.exists;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.data.jpa.repository.Query;
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import org.springframework.data.repository.query.Param;
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import org.springframework.stereotype.Repository;
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/**
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* @author paullatzelsperger
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* @since 2019-03-20
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*/
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@Repository
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public interface CarRepository extends JpaRepository<Car, Integer> {
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boolean existsCarByPower(int power);
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boolean existsCarByModel(String model);
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@Query("select case when count(c)> 0 then true else false end from Car c where c.model = :model")
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boolean existsCarExactCustomQuery(@Param("model") String model);
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@Query("select case when count(c)> 0 then true else false end from Car c where lower(c.model) like lower(:model)")
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boolean existsCarLikeCustomQuery(@Param("model") String model);
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}
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@ -1,8 +1,6 @@
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package com.baeldung.exists;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.springframework.data.domain.ExampleMatcher.GenericPropertyMatchers.ignoreCase;
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import com.baeldung.Application;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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@ -13,13 +11,12 @@ import org.springframework.data.domain.Example;
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import org.springframework.data.domain.ExampleMatcher;
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import org.springframework.test.context.junit4.SpringRunner;
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import com.baeldung.boot.Application;
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import com.baeldung.boot.domain.Car;
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import com.baeldung.boot.repository.CarRepository;
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import java.util.Arrays;
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import java.util.List;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.springframework.data.domain.ExampleMatcher.GenericPropertyMatchers.ignoreCase;
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@RunWith(SpringRunner.class)
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@SpringBootTest(classes = {Application.class})
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public class CarRepositoryIntegrationTest {
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