2. Rocket Propelled Java
Andres Almiray
Canoo Fellow
Canoo Engineering AG
@aalmiray

3. Andres Almiray
Speaker Bio
■ Java developer since the beginning
■ True believer in open source
■ Groovy committer since 2007
■ Project lead of the Griffon framework
■ Currently working for
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4. Project Lombok
Where, Who, How?
Why?
■ http://projectlombok.org/ ■ Get rid of boiler plate code
index.html
■ Compiler does the heavy lifting
■ Reinier Zwitserloot @surial
■ Developers just have to write the
■ Roel Spilker @rspilker
essentials
■ Relies on JDK6’s Annotation
Processor
■ Modifies Bytecode at compile
time
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5. How does it look?
import lombok.Data;
import lombok.ToString;
@ToString(includeFieldNames=true)
@Data public class DataExample {
private final String name;
private final String lastName;
private int age;
}
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6. Annotations
■ @Getter / @Setter
■ @Cleanup
■ @ToString
■ @Synchronized
■ @EqualsAndHashCode
■ @SneakyThrows
■ @NoArgsConstructor
■ @Log
■ @RequiredArgsConstructor
■ @Delegate
■ @AllArgsConstructor
■ @Data
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7. Lombok-pg
Where, Who, How
Why?
■ https://github.com/peichhorn/ ■ Extends Lombok with additional
lombok-pg/
annotations such as:
■ Philipp Eichhorn
■ @Singleton
■ peichhorn @ github
■ @FluentSetter
■ @Builder
■ Delivers its own common AST ■ and more!
API
■ Easier to write cross compiler
AST
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8. Groovy AST Transformations
Where, Who, How
Why?
■ https://groovy.codehaus.org
■ Groovy plays nicely with Java
■ The Groovy Team
■ Compile time metaprogramming
executes faster than runtime
■ Compile time metaprogramming
■ Changes visible to other JVM
■ Changes registered in the languages
bytecode
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9. Some Annotations
■ @Bindable / @Vetoable
■ @Delegate
■ @Grab
■ @Log
■ @Immutable
■ @Synchronized
■ @Singleton
■ @AutoClone
■ @ToString
■ @AutoExternalize
■ @EqualsAndHashCode
■ @TupleConstructor
■ @TypeChecked
■ @Canonical
■ @CompileStatic
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10. Q&A
Andres Almiray
@aalmiray