Lombok 적용하기

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">

    <properties>
        <java.version>1.8</java.version>
        <maven.compiler.version>3.8.1</maven.compiler.version>
        <spring.boot.version>2.4.1</spring.boot.version>
    </properties>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>${maven.compiler.version}</version>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                    <encoding>UTF-8</encoding>
                    <annotationProcessors>
                        <annotationProcessor>lombok.launch.AnnotationProcessorHider$AnnotationProcessor
                        </annotationProcessor>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
    </dependencies>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring.boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
</project>

import lombok.*;

import javax.persistence.Column;
import javax.persistence.Embeddable;
import java.io.Serializable;
import java.util.Objects;

@Getter
@Setter
@NoArgsConstructor
@Builder
@AllArgsConstructor
@Embeddable
public class UserId implements Serializable {

    @Column(name = "username", columnDefinition = "VARCHAR(100)")
    String username;

    @Column(name = "path", columnDefinition = "VARCHAR(255)")
    String path;

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        UserId userId = (UserId) o;
        return Objects.equals(username, userId.username) && Objects.equals(path, userId.path);
    }

    @Override
    public int hashCode() {
        return Objects.hash(username, path);
    }
}

import com.fasterxml.jackson.annotation.JsonFormat;
import lombok.*;
import org.hibernate.annotations.CreationTimestamp;
import org.hibernate.annotations.UpdateTimestamp;

import javax.persistence.Column;
import javax.persistence.EmbeddedId;
import javax.persistence.Entity;
import java.sql.Timestamp;

@Getter
@Setter
@NoArgsConstructor
@Builder
@AllArgsConstructor
@Entity(name = "api_iam_user")
public class User {

    @EmbeddedId
    UserId userId;

    @Column(name = "tags", columnDefinition = "VARCHAR(255)")
    String tags;

    @Column(name = "permission_boundary", columnDefinition = "VARCHAR(255)")
    String permissionBoundary;

    /**
     * 생성일 (이 필드에는 값을 입력하지 않아도 Hibernate가 INSERT시 자동으로 기록)
     */
    @CreationTimestamp
    @Column(name = "create_ts", insertable = true, updatable = false)
    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss")
    Timestamp createTime;

    /**
     * 변경일 (이 필드에는 값을 입력하지 않아도 Hibernate가 UPDATE시 자동으로 기록)
     */
    @UpdateTimestamp
    @Column(name = "update_ts", insertable = true, updatable = true)
    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss")
    Timestamp updateTime;
}