public class Test { @Delegate(types=Set.class) //Set인터페이스의 메소드가 Test 클래스에 생긴다. //그리고 Test에서 Set의 메소드를 호출하도록 만들어준다. private final Set<String> emps = new HashSet<String>(); } 다음 코드와 비슷한 모양이다. public class Test { private final Set<String> emps = new HashSet<String>(); public boolean add(final String item) { return this.emps.add(item); } public boolean remove(final String item) { return this.emps.remove(item); } ...... } @CommonsLog : Creates private static final org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory.getLog(LogExample.class); @Log : Creates static final java.util.logging.Logger log = java.util.logging.Logger.getLogger(LogExample.class.getName()); @Log4j : Creates private static final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger(LogExample.class); @Slf4j : Creates private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(LogExample.class);

1. 탑크리에듀
http://www.top
credu.co.kr/
2. 엔티티 매핑
(ENTITY MAPPING)
2-3 롬복(LOMBOK)소개_2

2. @Delegate : 한 클래스에 다른 클래스의 메소드를 위임하여 생성하
게 한다. 예문을 보자.
2-3. 롬복(LOMBOK)소개
public class Test {
@Delegate(types=Set.class) //Set인터페이스의 메소드가 Test 클래스에 생긴다.
//그리고 Test에서 Set의 메소드를 호출하도록 만들어준다.
private final Set<String> emps = new HashSet<String>();
}
다음 코드와 비슷한 모양이다.
public class Test {
private final Set<String> emps =
new HashSet<String>();
public boolean add(final String item) {
return this.emps.add(item);
}

3. 2-3. 롬복(LOMBOK)소개
public boolean remove(final String item) {
return this.emps.remove(item);
}
......
}
@CommonsLog : Creates private static final
org.apache.commons.logging.Log log =
org.apache.commons.logging.LogFactory.getLog(LogExample.class);
@Log : Creates static final java.util.logging.Logger log =
java.util.logging.Logger.getLogger(LogExample.class.getName());
@Log4j : Creates private static final org.apache.log4j.Logger log =
org.apache.log4j.Logger.getLogger(LogExample.class);
@Slf4j : Creates private static final org.slf4j.Logger log =
org.slf4j.LoggerFactory.getLogger(LogExample.class);

4. 2-3. 롬복(LOMBOK)소개
package com.example;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import lombok.ToString;
@Getter
@Setter
@ToString
@EqualsAndHashCode

5. 2-3. 롬복(LOMBOK)소개
@RequiredArgsConstructor(staticName="of")
@NoArgsConstructor
public class Emp {
@NonNull private int empno;
@NonNull private String ename;
}
package com.example;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class LombokTestApplication

6. 2-3. 롬복(LOMBOK)소개
implements CommandLineRunner{
public static void main(String[] args) {
SpringApplication.run(LombokTestApplication.class, args);
}
@Override
public void run(String... arg0) throws Exception {
Emp e = new Emp();
e.setEmpno(1111);
e.setEname("홍길동");
System.out.println(e);
Emp e1 = Emp.of(2222, "가길동");
System.out.println(e1);
}
}