lombok – Page 10 – Tarik Billa

Can’t make Jackson and Lombok work together

December 14, 2022 by Tarik

If you want immutable but a json serializable POJO using lombok and jackson. Use jacksons new annotation on your lomboks builder @JsonPOJOBuilder(withPrefix = “”) I tried this solution and it works very well. Sample usage import com.fasterxml.jackson.databind.annotation.JsonDeserialize; import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder; import lombok.Builder; import lombok.Value; @JsonDeserialize(builder = Detail.DetailBuilder.class) @Value @Builder public class Detail { private String url; … Read more

Warning equals/hashCode on @Data annotation lombok with inheritance

December 8, 2022 by Tarik

The default value is false. That is the one you get if you don’t specify it and ignore the warning. Yes, it is recommended to add an @EqualsAndHashCode annotation on the @Data annotated classes that extend something else than Object. I cannot tell you if you need true or false, that depends on your class … Read more

Lombok is not generating getter and setter

November 22, 2022 by Tarik

When starting with a fresh eclipse installation you, in fact, need to “install” Lombok before being able to use it. Go where you Lombok jar is (e.g. (e.g. you can find in ~/.m2/repository/org/projectlombok/lombok/1.16.10/lombok-1.16.10.jar), run it (Example: java -jar lombok-1.16.10.jar). A window should appear, browse to your eclipse.exe location. Click on install. Launch Eclipse, update project … Read more

Java Lombok: Omitting one field in @AllArgsConstructor?

November 19, 2022 by Tarik

No that is not possible. There is a feature request to create a @SomeArgsConstructor where you can specify a list of involved fields. Full disclosure: I am one of the core Project Lombok developers.

Building with Lombok’s @Slf4j and Intellij: Cannot find symbol log

November 16, 2022 by Tarik

In addition to having Lombok plugin installed, also make sure that the “Enable annotation processing” checkbox is ticked under: Preferences > Compiler > Annotation Processors Note: starting with IntelliJ 2017, the “Enable Annotation Processing” checkbox has moved to: Settings > Build, Execution, Deployment > Compiler > Annotation Processors

MapStruct and Lombok not working together

November 15, 2022 by Tarik

The reason why it does not work is because Maven only uses the MapStruct processor and not the Lombok one. The annotationProcessorPaths tells maven which processors it should use. The delombok does nothing as you are ending up with 2 files per class and I think that the maven compiler does not see them. You … Read more

how to Call super constructor in Lombok

October 23, 2022 by Tarik

This is not possible in Lombok. Although it would be a really nice feature, it requires resolution to find the constructors of the super class. The super class is only known by name the moment Lombok gets invoked. Using the import statements and the classpath to find the actual class is not trivial. And during … Read more

How does lombok work?

October 23, 2022 by Tarik

Lombok does indeed code against internal API, as Sean Patrick Floyd said. However, as lombok is ONLY involved in the compilation phase, its misleading to claim Lombok will only run on a sun VM. It’ll only compile on ecj or sun’s javac. However, the vast majority of VMs out there, if they ship a compiler … Read more

Lombok added but getters and setters not recognized in Intellij IDEA

October 22, 2022 by Tarik

You need to install the Lombok plugin for IDEA. Open the Settings panel (Ctrl + Alt + S). Search for “Plugins”, then search for “Lombok” in the plugins. Find the plugin and install it. Finally, restart your IDEA. Then everything will be OK!

Build an object from an existing one using lombok

October 20, 2022 by Tarik

You can use the toBuilder parameter to give your instances a toBuilder() method. @Builder(toBuilder=true) class Foo { int x; … } Foo f0 = Foo.builder().build(); Foo f1 = f0.toBuilder().x(42).build(); From the documentation: If using @Builder to generate builders to produce instances of your own class (this is always the case unless adding @Builder to a … Read more