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‎.gitignore

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.idea
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**/*.iml
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**/target

‎README.md

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# <img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/image/logo_transparent_background.png" height=50/>Spring Data JPA exercises
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The list of exercises dedicated to training your *Spring Data JPA* skills
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### No pain, No gain :heavy_exclamation_mark:
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> Skill is only developed by hours and hours and hours of beating on your craft
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Working on real problems, you're focused on finding a solution. Learning new things, you're trying to understand how it works.
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It is important to have a different type of activities, which purpose is improving your skill
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***An exercise** is a predefined task that you continuously implement to improve a certain skill* :muscle:
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##

‎pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.bobocode</groupId>
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<artifactId>spring-data-jpa-exercises</artifactId>
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<version>1.0-SNAPSHOT</version>
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<modules>
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<module>spring-data-jpa-exercises-model</module>
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<module>spring-data-jpa-exercises-util</module>
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</modules>
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<packaging>pom</packaging>
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<properties>
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<maven.compiler.source>1.10</maven.compiler.source>
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<maven.compiler.target>1.10</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.data</groupId>
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<artifactId>spring-data-jpa</artifactId>
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<version>2.1.0.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<version>1.4.197</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-simple</artifactId>
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<version>1.7.24</version>
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</dependency>
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<dependency>
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<groupId>org.hibernate.javax.persistence</groupId>
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<artifactId>hibernate-jpa-2.1-api</artifactId>
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<version>1.0.2.Final</version>
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</dependency>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-core</artifactId>
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<version>5.3.2.Final</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.18.2</version>
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</dependency>
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<!--Since JAXB APIs is no longer in default classpath in JDK 1.9 -->
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<dependency>
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<groupId>javax.xml.bind</groupId>
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<artifactId>jaxb-api</artifactId>
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<version>2.2.11</version>
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</dependency>
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</dependencies>
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</project>

‎spring-data-jpa-exercises-model/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>spring-data-jpa-exercises</artifactId>
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<groupId>com.bobocode</groupId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-data-jpa-exercises-model</artifactId>
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</project>

‎spring-data-jpa-exercises-model/src/main/java/com/bobocode/model/Address.java

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package com.bobocode.model;
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import lombok.*;
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import javax.persistence.*;
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import java.time.LocalDateTime;
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@NoArgsConstructor
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@Getter
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@Setter
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@EqualsAndHashCode(of = "id")
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@ToString(exclude = "user")
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@Entity
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@Table(name = "address")
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public class Address {
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@Id
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@GeneratedValue
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private Long id;
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@Column(name = "city")
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private String city;
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@Column(name = "street")
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private String street;
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@Column(name = "street_number")
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private String streetNumber;
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@Column(name = "apartment_number")
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private String apartmentNumber;
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@Column(name = "zip_code")
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private String zipCode;
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@Column(name = "creation_date")
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private LocalDateTime creationDate;
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@OneToOne
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@JoinColumn(name = "user_id")
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private User user;
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}

‎spring-data-jpa-exercises-model/src/main/java/com/bobocode/model/Gender.java

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package com.bobocode.model;
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public enum Gender {
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MALE,
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FEMALE
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}

‎spring-data-jpa-exercises-model/src/main/java/com/bobocode/model/Role.java

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package com.bobocode.model;
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import lombok.Getter;
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import lombok.NoArgsConstructor;
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import lombok.Setter;
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import lombok.ToString;
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import javax.persistence.*;
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import java.time.LocalDateTime;
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import java.util.Objects;
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@NoArgsConstructor
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@Getter
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@Setter
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@ToString(exclude = "user")
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@Entity
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@Table(name = "role")
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public class Role {
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@Id
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@GeneratedValue
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private Long id;
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@Enumerated(EnumType.STRING)
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@Column(name = "role_type")
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private RoleType roleType;
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@Column(name = "creation_date")
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private LocalDateTime creationDate = LocalDateTime.now();
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@ManyToOne
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@JoinColumn(name = "user_id")
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private User user;
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public static Role valueOf(RoleType roleType) {
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return new Role(roleType);
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}
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private Role(RoleType roleType) {
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this.roleType = roleType;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof Role)) return false;
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Role role = (Role) o;
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return Objects.equals(id, role.id);
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}
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@Override
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public int hashCode() {
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return 31;
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}
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}

‎spring-data-jpa-exercises-model/src/main/java/com/bobocode/model/RoleType.java

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package com.bobocode.model;
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public enum RoleType {
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USER, ADMIN, OPERATOR, CUSTOMER
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}

‎spring-data-jpa-exercises-model/src/main/java/com/bobocode/model/User.java

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package com.bobocode.model;
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import lombok.*;
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import javax.persistence.*;
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import java.time.LocalDate;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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@NoArgsConstructor
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@Getter
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@Setter
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@ToString
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@EqualsAndHashCode(of = "id")
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@Entity
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@Table(name = "user")
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public class User {
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@Id
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@GeneratedValue
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private Long id;
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@Column(name = "first_name")
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private String firstName;
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@Column(name = "last_name")
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private String lastName;
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@Column(name = "email")
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private String email;
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@Column(name = "birthday")
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private LocalDate birthday;
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@Column(name = "creation_date")
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private LocalDate creationDate;
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@OneToOne(mappedBy = "user", cascade = CascadeType.ALL)
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private Address address;
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@Setter(AccessLevel.PRIVATE)
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@OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
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private Set<Role> roles = new HashSet<>();
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public void setAddress(Address address) {
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address.setUser(this);
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this.address = address;
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}
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public void addRole(Role role) {
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roles.add(role);
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role.setUser(this);
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}
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public void addRoles(List<Role> roles) {
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this.roles.addAll(roles);
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roles.forEach(role -> role.setUser(this));
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}
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public void removeRole(Role role) {
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this.roles.remove(role);
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role.setUser(null);
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}
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}

‎spring-data-jpa-exercises-util/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>spring-data-jpa-exercises</artifactId>
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<groupId>com.bobocode</groupId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-data-jpa-exercises-util</artifactId>
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<dependencies>
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<dependency>
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<groupId>com.bobocode</groupId>
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<artifactId>spring-data-jpa-exercises-model</artifactId>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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<dependency>
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<groupId>io.codearte.jfairy</groupId>
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<artifactId>jfairy</artifactId>
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<version>0.5.7</version>
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</dependency>
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</dependencies>
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</project>

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