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Spring Roo 2.0 Preview at Spring I/O 2016

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Spring Roo 2.0 is a development tool designed for building web applications with Java, focusing on code generation while allowing customization. It introduces new features such as improved support for Spring Boot, Thymeleaf views, and simplified user interfaces. The update emphasizes usability, higher productivity, and a shift towards newer Spring technologies, making application development easier and more efficient.

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Spring Roo 2.0 César Ordiñana & Enrique Ruiz
Spring Roo 2.0 Preview What is Spring Roo Current GA release: Spring Roo 1.3.2 What’s new in Spring Roo 2.0 Live demo
What is Spring Roo? An easy-to-use development tool for quickly building web applications in the Java programming language _ _ _ _ _ _ _ _ _ _ _ _ / _ _ / _ _ / _ _ / / _ / / / / / / / / / _ , _ / / _ / / / _ / / / _ / | _ | _ _ _ _ / _ _ _ _ / 2 . 0 . 0 . M 2 W e l c o m e t o S p r i n g R o o . F o r a s s i s t a n c e p r e s s T A B o r t y p e " h i n t " t h e n h i t E N T E R . S p r i n g R o o E a s t e r n G r e y U I s t a r t e d a t ' h t t p : / / l o c a l h o s t : 9 1 9 1 / ' r o o >
What Spring Roo is NOT Spring Roo is not a framework, it is not used in runtime.
Spring Roo engine features Code generation engine Programmers code (.java) isolated from generated code (.aj) Roo will never overwrite programmers code Passive and active code generation Runtime performance not affected by Roo
Why use it? Higher productivity Stock-Standard Java and Spring Bootstraping, maintenance and evolution
Spring Roo 1.x Applications based on old technologies Deprecated architecture Active Record Generated code should be easier to customize Extremely simple UI Basic REST support
Spring Roo 2.0: a new philosophy Focused on newer Spring technologies Create Spring Boot applications Java-based configuration model Generate as few code as possible Easier code customization Thymeleaf view layer
Demo: New features Spring IO platform and Boot applications Global project settings Conditional command parameters push-in command Full support for Spring Data repositories Improved REST services New view: Thymeleaf, Bootstrap and JQuery datatables
Create a new project New > Project > Spring Roo r o o > p r o j e c t s e t u p - - t o p L e v e l P a c k a g e o r g . s p r i n g i o . t i c k e t - - p r o j e c t N a m e " S p r i n g I O T i c k e t s " - - j a v a 8 - - p a c k a g i n g J A R
Spring IO and Boot application Spring IO and Boot in the pom.xml Main Boot Application class
Data Access Layer r o o > j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - d a t a b a s e N a m e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - f o r c e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - h o s t N a m e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - j n d i D a t a S o u r c e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - p a s s w o r d j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - p r o f i l e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - u s e r N a m e
Improved usability r o o > j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e H 2 _ I N _ M E M O R Y - - j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e H 2 _ I N _ M E M O R Y - - f o r c e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e H 2 _ I N _ M E M O R Y - - p r o f i l e r o o > j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e H 2 _ I N _ M E M O R Y
Domain model Easily create your JPA domain model with the entity jpa and field add commands. r o o > e n t i t y j p a - - c l a s s ~ . m o d e l . T i c k e t ~ . m o d e l . T i c k e t r o o > f i e l d s t r i n g - - f i e l d N a m e n a m e - - c o m m e n t " T h e t i c k e t ' s n a m e " - - n o t N u l l - - s i z e M i n 5 - - s i z e M a x 2 0 @ M i n ( 1 ) @ M a x ( 1 0 0 0 ) p r i v a t e I n t e g e r q u a n t i t y ; ~ . m o d e l . T i c k e t r o o > f i e l d n u m b e r - - f i e l d N a m e p r i c e - - t y p e j a v a . l a n g . I n t e g e r - - c o m m e n t " T h e s e l l i n g p r i c e " - - m i n 0 - - m a x 1 0 0 0
Tests Create a unit test r o o > t e s t u n i t - - c l a s s ~ . m o d e l . T i c k e t
Customize the code Overwrite Roo generated methods TicketTest.java p u b l i c c l a s s T i c k e t T e s t { p r i v a t e T i c k e t t i c k e t ; @ B e f o r e p u b l i c v o i d s e t u p ( ) { t h i s . t i c k e t = n e w T i c k e t ( ) ; t h i s . t i c k e t . s e t N a m e ( " E a r l y B i r d " ) ; t h i s . t i c k e t . s e t Q u a n t i t y ( 7 5 ) ; t h i s . t i c k e t . s e t P r i c e ( 2 1 9 ) ; t h i s . t i c k e t . s e t I d ( 1 l ) ; t h i s . t i c k e t . s e t V e r s i o n ( 1 ) ; } }
Customize the code (II) Create your own methods TicketTest.java p u b l i c c l a s s T i c k e t T e s t { @ T e s t p u b l i c v o i d c h e c k T o S t r i n g C r e a t e s E x p e c t e d V a l u e ( ) { a s s e r t E q u a l s ( " E a r l y B i r d , 7 5 , 2 1 9 , 1 , 1 " , t i c k e t . t o S t r i n g ( ) ) ; } }
Customize the code (III) New command: push-in r o o > p u s h - i n - - c l a s s ~ . m o d e l . T i c k e t - - m e t h o d t o S t r i n g Test.java p u b l i c S t r i n g t o S t r i n g ( ) { r e t u r n R e f l e c t i o n T o S t r i n g B u i l d e r . t o S t r i n g ( t h i s , T o S t r i n g S t y l e . S I M P L E _ S T Y L E ) ; }
Project settings Define the project standards and let Roo control them for you r o o > s e t t i n g s a d d - - n a m e s p r i n g . r o o . j p a . r e q u i r e . s c h e m a - o b j e c t - n a m e - - v a l u e t r u e r o o > e n t i t y j p a - - c l a s s ~ . m o d e l . C u s t o m e r Y o u m u s t s p e c i f y o p t i o n ' t a b l e ' f o r t h i s c o m m a n d
More domain model Ticket → Customer r o o > s c r i p t - - f i l e ~ / E s c r i t o r i o / c u s t o m e r s . r o o
Repository r o o > r e p o s i t o r y j p a - - e n t i t y ~ . m o d e l . T i c k e t r o o > r e p o s i t o r y j p a - - a l l - - p a c k a g e ~ . r e p o s i t o r y
Repository queries r o o > f i n d e r a d d - - c l a s s ~ . m o d e l . T i c k e t - - n a m e f i n d B y A v a i l a b l e G r e a t e r T h a n A n d N a m e C o n t a i n i n g O r d e r B y N a m e A s c
Service Layer r o o > s e r v i c e - - e n t i t y ~ . m o d e l . T i c k e t - - r e p o s i t o r y ~ . m o d e l . T i c k e t R e p o s i t o r y - - i n t e r f a c e ~ . s e r v i c e . T i c k e t S e r v i c e r o o > s e r v i c e - - a l l - - a p i P a c k a g e ~ . s e r v i c e . a p i - - i m p l P a c k a g e ~ . s e r v i c e . i m p l
Your business logic r o o > p u s h - i n - - c l a s s ~ . s e r v i c e . i m p l . C u s t o m e r S e r v i c e I m p l - - m e t h o d s a v e CustomerServiceImpl.java p r i v a t e f i n a l T i c k e t S e r v i c e t i c k e t S e r v i c e ; @ A u t o w i r e d p u b l i c C u s t o m e r S e r v i c e I m p l ( C u s t o m e r R e p o s i t o r y c u s t o m e r R e p o s i t o r y , T i c k e t S e r v i c e t i c k e t S e r v i c e ) { t h i s . c u s t o m e r R e p o s i t o r y = c u s t o m e r R e p o s i t o r y ; t h i s . t i c k e t S e r v i c e = t i c k e t S e r v i c e ; } p r i v a t e v o i d u p d a t e T i c k e t Q u a n t i t y ( C u s t o m e r e n t i t y ) { i f ( e n t i t y . g e t I d ( ) ! = n u l l ) { T i c k e t t i c k e t = e n t i t y . g e t T i c k e t ( ) ; t i c k e t . s e t Q u a n t i t y ( t i c k e t . g e t Q u a n t i t y ( ) - 1 ) ; t i c k e t S e r v i c e . s a v e ( t i c k e t ) ; } }
Your business logic (II) CustomerServiceImpl.java @ T r a n s a c t i o n a l ( r e a d O n l y = f a l s e ) p u b l i c C u s t o m e r s a v e ( C u s t o m e r e n t i t y ) { u p d a t e T i c k e t Q u a n t i t y ( e n t i t y ) ; r e t u r n c u s t o m e r R e p o s i t o r y . s a v e ( e n t i t y ) ; } @ T r a n s a c t i o n a l ( r e a d O n l y = f a l s e ) p u b l i c L i s t < C u s t o m e r > s a v e ( I t e r a b l e < C u s t o m e r > e n t i t i e s ) { f o r ( C u s t o m e r c u s t o m e r : e n t i t i e s ) { u p d a t e T i c k e t Q u a n t i t y ( c u s t o m e r ) ; } r e t u r n c u s t o m e r R e p o s i t o r y . s a v e ( e n t i t i e s ) ; }
Presentation Layer You choose: Control only → REST Services Control and View → REST Services + Thymeleaf
Adding web support w e b m v c s e t u p
REST Services w e b m v c c o n t r o l l e r - - a l l - - p a c k a g e ~ . w e b
Generating the view w e b m v c v i e w s e t u p - - t y p e T H Y M E L E A F
Customize the views w e b m v c t e m p l a t e s s e t u p - - t y p e T H Y M E L E A F
Views and handler methods w e b m v c c o n t r o l l e r - - a l l - - p a c k a g e ~ . w e b - - r e s p o n s e T y p e T H Y M E L E A F
Powerful code generation f i e l d s t r i n g - - f i e l d N a m e d e s c r i p t i o n
Roadmap DTOs code generation Non-CRUD REST services Integration layer Security layer Auditing of persistent classes WebJars integration UI widgets
Questions?  http://projects.spring.io/spring-roo/  https://github.com/spring-projects/spring-roo  http://stackoverflow.com/questions/tagged/spring-roo  https://twitter.com/SpringRoo  http://www.disid.com
Roo it! Create your Boot applications with Spring Roo 2!

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Spring Roo 2.0 Preview at Spring I/O 2016

  • 1. Spring Roo 2.0 César Ordiñana & Enrique Ruiz
  • 2. Spring Roo 2.0 Preview What is Spring Roo Current GA release: Spring Roo 1.3.2 What’s new in Spring Roo 2.0 Live demo
  • 3. What is Spring Roo? An easy-to-use development tool for quickly building web applications in the Java programming language _ _ _ _ _ _ _ _ _ _ _ _ / _ _ / _ _ / _ _ / / _ / / / / / / / / / _ , _ / / _ / / / _ / / / _ / | _ | _ _ _ _ / _ _ _ _ / 2 . 0 . 0 . M 2 W e l c o m e t o S p r i n g R o o . F o r a s s i s t a n c e p r e s s T A B o r t y p e " h i n t " t h e n h i t E N T E R . S p r i n g R o o E a s t e r n G r e y U I s t a r t e d a t ' h t t p : / / l o c a l h o s t : 9 1 9 1 / ' r o o >
  • 4. What Spring Roo is NOT Spring Roo is not a framework, it is not used in runtime.
  • 5. Spring Roo engine features Code generation engine Programmers code (.java) isolated from generated code (.aj) Roo will never overwrite programmers code Passive and active code generation Runtime performance not affected by Roo
  • 6. Why use it? Higher productivity Stock-Standard Java and Spring Bootstraping, maintenance and evolution
  • 7. Spring Roo 1.x Applications based on old technologies Deprecated architecture Active Record Generated code should be easier to customize Extremely simple UI Basic REST support
  • 8. Spring Roo 2.0: a new philosophy Focused on newer Spring technologies Create Spring Boot applications Java-based configuration model Generate as few code as possible Easier code customization Thymeleaf view layer
  • 9. Demo: New features Spring IO platform and Boot applications Global project settings Conditional command parameters push-in command Full support for Spring Data repositories Improved REST services New view: Thymeleaf, Bootstrap and JQuery datatables
  • 10. Create a new project New > Project > Spring Roo r o o > p r o j e c t s e t u p - - t o p L e v e l P a c k a g e o r g . s p r i n g i o . t i c k e t - - p r o j e c t N a m e " S p r i n g I O T i c k e t s " - - j a v a 8 - - p a c k a g i n g J A R
  • 11. Spring IO and Boot application Spring IO and Boot in the pom.xml Main Boot Application class
  • 12. Data Access Layer r o o > j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - d a t a b a s e N a m e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - f o r c e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - h o s t N a m e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - j n d i D a t a S o u r c e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - p a s s w o r d j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - p r o f i l e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e P O S T G R E S - - u s e r N a m e
  • 13. Improved usability r o o > j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e H 2 _ I N _ M E M O R Y - - j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e H 2 _ I N _ M E M O R Y - - f o r c e j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e H 2 _ I N _ M E M O R Y - - p r o f i l e r o o > j p a s e t u p - - p r o v i d e r H I B E R N A T E - - d a t a b a s e H 2 _ I N _ M E M O R Y
  • 14. Domain model Easily create your JPA domain model with the entity jpa and field add commands. r o o > e n t i t y j p a - - c l a s s ~ . m o d e l . T i c k e t ~ . m o d e l . T i c k e t r o o > f i e l d s t r i n g - - f i e l d N a m e n a m e - - c o m m e n t " T h e t i c k e t ' s n a m e " - - n o t N u l l - - s i z e M i n 5 - - s i z e M a x 2 0 @ M i n ( 1 ) @ M a x ( 1 0 0 0 ) p r i v a t e I n t e g e r q u a n t i t y ; ~ . m o d e l . T i c k e t r o o > f i e l d n u m b e r - - f i e l d N a m e p r i c e - - t y p e j a v a . l a n g . I n t e g e r - - c o m m e n t " T h e s e l l i n g p r i c e " - - m i n 0 - - m a x 1 0 0 0
  • 15. Tests Create a unit test r o o > t e s t u n i t - - c l a s s ~ . m o d e l . T i c k e t
  • 16. Customize the code Overwrite Roo generated methods TicketTest.java p u b l i c c l a s s T i c k e t T e s t { p r i v a t e T i c k e t t i c k e t ; @ B e f o r e p u b l i c v o i d s e t u p ( ) { t h i s . t i c k e t = n e w T i c k e t ( ) ; t h i s . t i c k e t . s e t N a m e ( " E a r l y B i r d " ) ; t h i s . t i c k e t . s e t Q u a n t i t y ( 7 5 ) ; t h i s . t i c k e t . s e t P r i c e ( 2 1 9 ) ; t h i s . t i c k e t . s e t I d ( 1 l ) ; t h i s . t i c k e t . s e t V e r s i o n ( 1 ) ; } }
  • 17. Customize the code (II) Create your own methods TicketTest.java p u b l i c c l a s s T i c k e t T e s t { @ T e s t p u b l i c v o i d c h e c k T o S t r i n g C r e a t e s E x p e c t e d V a l u e ( ) { a s s e r t E q u a l s ( " E a r l y B i r d , 7 5 , 2 1 9 , 1 , 1 " , t i c k e t . t o S t r i n g ( ) ) ; } }
  • 18. Customize the code (III) New command: push-in r o o > p u s h - i n - - c l a s s ~ . m o d e l . T i c k e t - - m e t h o d t o S t r i n g Test.java p u b l i c S t r i n g t o S t r i n g ( ) { r e t u r n R e f l e c t i o n T o S t r i n g B u i l d e r . t o S t r i n g ( t h i s , T o S t r i n g S t y l e . S I M P L E _ S T Y L E ) ; }
  • 19. Project settings Define the project standards and let Roo control them for you r o o > s e t t i n g s a d d - - n a m e s p r i n g . r o o . j p a . r e q u i r e . s c h e m a - o b j e c t - n a m e - - v a l u e t r u e r o o > e n t i t y j p a - - c l a s s ~ . m o d e l . C u s t o m e r Y o u m u s t s p e c i f y o p t i o n ' t a b l e ' f o r t h i s c o m m a n d
  • 20. More domain model Ticket → Customer r o o > s c r i p t - - f i l e ~ / E s c r i t o r i o / c u s t o m e r s . r o o
  • 21. Repository r o o > r e p o s i t o r y j p a - - e n t i t y ~ . m o d e l . T i c k e t r o o > r e p o s i t o r y j p a - - a l l - - p a c k a g e ~ . r e p o s i t o r y
  • 22. Repository queries r o o > f i n d e r a d d - - c l a s s ~ . m o d e l . T i c k e t - - n a m e f i n d B y A v a i l a b l e G r e a t e r T h a n A n d N a m e C o n t a i n i n g O r d e r B y N a m e A s c
  • 23. Service Layer r o o > s e r v i c e - - e n t i t y ~ . m o d e l . T i c k e t - - r e p o s i t o r y ~ . m o d e l . T i c k e t R e p o s i t o r y - - i n t e r f a c e ~ . s e r v i c e . T i c k e t S e r v i c e r o o > s e r v i c e - - a l l - - a p i P a c k a g e ~ . s e r v i c e . a p i - - i m p l P a c k a g e ~ . s e r v i c e . i m p l
  • 24. Your business logic r o o > p u s h - i n - - c l a s s ~ . s e r v i c e . i m p l . C u s t o m e r S e r v i c e I m p l - - m e t h o d s a v e CustomerServiceImpl.java p r i v a t e f i n a l T i c k e t S e r v i c e t i c k e t S e r v i c e ; @ A u t o w i r e d p u b l i c C u s t o m e r S e r v i c e I m p l ( C u s t o m e r R e p o s i t o r y c u s t o m e r R e p o s i t o r y , T i c k e t S e r v i c e t i c k e t S e r v i c e ) { t h i s . c u s t o m e r R e p o s i t o r y = c u s t o m e r R e p o s i t o r y ; t h i s . t i c k e t S e r v i c e = t i c k e t S e r v i c e ; } p r i v a t e v o i d u p d a t e T i c k e t Q u a n t i t y ( C u s t o m e r e n t i t y ) { i f ( e n t i t y . g e t I d ( ) ! = n u l l ) { T i c k e t t i c k e t = e n t i t y . g e t T i c k e t ( ) ; t i c k e t . s e t Q u a n t i t y ( t i c k e t . g e t Q u a n t i t y ( ) - 1 ) ; t i c k e t S e r v i c e . s a v e ( t i c k e t ) ; } }
  • 25. Your business logic (II) CustomerServiceImpl.java @ T r a n s a c t i o n a l ( r e a d O n l y = f a l s e ) p u b l i c C u s t o m e r s a v e ( C u s t o m e r e n t i t y ) { u p d a t e T i c k e t Q u a n t i t y ( e n t i t y ) ; r e t u r n c u s t o m e r R e p o s i t o r y . s a v e ( e n t i t y ) ; } @ T r a n s a c t i o n a l ( r e a d O n l y = f a l s e ) p u b l i c L i s t < C u s t o m e r > s a v e ( I t e r a b l e < C u s t o m e r > e n t i t i e s ) { f o r ( C u s t o m e r c u s t o m e r : e n t i t i e s ) { u p d a t e T i c k e t Q u a n t i t y ( c u s t o m e r ) ; } r e t u r n c u s t o m e r R e p o s i t o r y . s a v e ( e n t i t i e s ) ; }
  • 26. Presentation Layer You choose: Control only → REST Services Control and View → REST Services + Thymeleaf
  • 27. Adding web support w e b m v c s e t u p
  • 28. REST Services w e b m v c c o n t r o l l e r - - a l l - - p a c k a g e ~ . w e b
  • 29. Generating the view w e b m v c v i e w s e t u p - - t y p e T H Y M E L E A F
  • 30. Customize the views w e b m v c t e m p l a t e s s e t u p - - t y p e T H Y M E L E A F
  • 31. Views and handler methods w e b m v c c o n t r o l l e r - - a l l - - p a c k a g e ~ . w e b - - r e s p o n s e T y p e T H Y M E L E A F
  • 32. Powerful code generation f i e l d s t r i n g - - f i e l d N a m e d e s c r i p t i o n
  • 33. Roadmap DTOs code generation Non-CRUD REST services Integration layer Security layer Auditing of persistent classes WebJars integration UI widgets
  • 34. Questions?  http://projects.spring.io/spring-roo/  https://github.com/spring-projects/spring-roo  http://stackoverflow.com/questions/tagged/spring-roo  https://twitter.com/SpringRoo  http://www.disid.com
  • 35. Roo it! Create your Boot applications with Spring Roo 2!