JPA Week3 Entity Mapping / Hexagonal Architecture

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The document discusses Hexagonal Architecture and its principles. It explains that the core domain layer should not depend on other layers like the data layer. It provides examples of package structures for Hexagonal Architecture and sample code that separates ports and adapters. Case studies are presented on how companies have implemented Hexagonal Architecture for microservices and APIs.

JPA
Covenant Ko
Chapter 3
JPA
Entity Mapping / Hexagonal Architecture

- Name. Covenant Ko
- Company. 11번가
- Github 용감한친구들 Organization Founder & Maintainer. https://github.com/brave-people
- Github. https://github.com/KoEonYack
- Tech Blog. https://covenant.tistory.com/ (누적 방문 41만)

Q&A
https://www.javaguides.net/2018/12/jpa-entitymanager-interface-with-example.html

1. !
2. DB !
3. ORM !
4. !
5. !
6. !
7. !

1. !
2. DB !
3. ORM !
4. !
5. !
6. !
7. !
Week 1
Week 2
Week 2
Week 3

Clean Clean Architecture !
https://youtu.be/IHrZD3vxYB0
https://subscription.packtpub.com/book/programming/9781839211966/1

Clean Architecture
UI
Presenter
Use case
Entity
Repository
Data source
https://proandroiddev.com/clean-architecture-data-flow-dependency-rule-615ffdd79e29

Clean Architecture
UI
Presenter
Use case
Entity
Repository
Data source
Data Flow

Clean Architecture
UI
Presenter
Use case
Entity
Repository
Data source
Dependency Role
1.
2.
https://ko.wikipedia.org/wiki/%EC%84%9C%EC%9A%B8%EC%8A%A4%ED%80%98%EC%96%B4

Clean Architecture
UI
Presenter
Use
case
Entity
Repository
Data
source

Clean Architecture
UI
Presenter
Use
case
Entity
Repository
Data
source
Presentation
Layer
Domain Layer Data Layer

Clean Architecture
UI
Presenter
Use
case
Entity
Repository
Data
source
Presentation
Layer
Domain Layer Data Layer
Core

Clean Architecture
UI
Presenter
Use
case
Entity
Repository
Data
source
Presentation
Layer
Domain Layer Data Layer
Core
1. Domain (with business rules) is the most important Layer.
2. Shouldn’t have any dependencies with other layers.
3. Domain Layer does NOT depend on Data Layer.

Clean Architecture
https://proandroiddev.com/clean-architecture-data-flow-dependency-rule-615ffdd79e29

Clean Architecture
https://proandroiddev.com/clean-architecture-data-flow-dependency-rule-615ffdd79e29
View Presenter
Use case
Entity Repository

View Presenter
Use case
Entity Repository
Hexagonal Architecture

Hexagonal Architecture
1. Core entity, use case
2.
3. 1:1
3. Core .
4. (
)
https://engineering.linecorp.com/ko/blog/port-and-adapter-architecture/

Hexagonal Architecture
RPC
HTTP API
Command Line
MySQL
Oracle
H2
1. Core entity, use case
2.
3. 1:1
3. Core .
4. (
)

Hexagonal Architecture
RPC
HTTP API
Command Line
MySQL
Oracle
H2
1. Core entity, use case
2.
3. 1:1
3. Core .
4. (
)
Spring Data JPA

Package by feature
Controller A
Data Access A Data Access B
Presentation layer
Business layer
Data Layer
Service A Service B
Controller B

Package by layer
https://engineering.linecorp.com/ko/blog/port-and-adapter-architecture/
.
.

Package by layer
https://engineering.linecorp.com/ko/blog/port-and-adapter-architecture/
1.
2.

Package by component
https://github.com/hyewonKim24/OntactOfficial
.
.

https://herbertograca.com/2017/11/16/explicit-architecture-01-ddd-hexagonal-onion-clean-cqrs-how-i-put-it-all-together/#inversion-of-control
Hexagonal Architecture Package

https://blog.gaokx.de/2020/11/think-about-hexagonal-architecture-and.html
Hexagonal Architecture Package

Hexagonal Architecture Code
Ports are used by external components to call our application
https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

Hexagonal Architecture Code
Service to tie all the pieces together and drive the execution
https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

Hexagonal Architecture Code
https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

Hexagonal Architecture Example Code
https://github.com/thombergs/buckpal
https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

Hexagonal Architecture Sample Code
https://blog.gaokx.de/2020/11/think-about-hexagonal-architecture-and.html

https://techblog.woowahan.com/5143/
Case Study

https://resources.experfy.com/bigdata-cloud/another-story-about-microservices-hexagonal-architecture/
Case Study

https://aws.amazon.com/ko/blogs/compute/developing-evolutionary-architecture-with-aws-lambda/
Case Study

Case Study
API Gateway
https://docs.microsoft.com/ko-kr/dotnet/architecture/microservices/architect-microservice-container-applications/direct-client-to-microservice-communication-versus-the-api-gateway-pattern

https://herbertograca.com/2017/11/16/explicit-architecture-01-ddd-hexagonal-onion-clean-cqrs-how-i-put-it-all-together/#inversion-of-control
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Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management. The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM). Speakers: Bob Boule Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle. Gopinath Rebala Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.

Mind map of terminologies used in context of Generative AI

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Essentials of Automations: The Art of Triggers and Actions in FME

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In this second installment of our Essentials of Automations webinar series, we’ll explore the landscape of triggers and actions, guiding you through the nuances of authoring and adapting workspaces for seamless automations. Gain an understanding of the full spectrum of triggers and actions available in FME, empowering you to enhance your workspaces for efficient automation. We’ll kick things off by showcasing the most commonly used event-based triggers, introducing you to various automation workflows like manual triggers, schedules, directory watchers, and more. Plus, see how these elements play out in real scenarios. Whether you’re tweaking your current setup or building from the ground up, this session will arm you with the tools and insights needed to transform your FME usage into a powerhouse of productivity. Join us to discover effective strategies that simplify complex processes, enhancing your productivity and transforming your data management practices with FME. Let’s turn complexity into clarity and make your workspaces work wonders!

GraphSummit Singapore | Graphing Success: Revolutionising Organisational Stru...

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Sudheer Mechineni, Head of Application Frameworks, Standard Chartered Bank Discover how Standard Chartered Bank harnessed the power of Neo4j to transform complex data access challenges into a dynamic, scalable graph database solution. This keynote will cover their journey from initial adoption to deploying a fully automated, enterprise-grade causal cluster, highlighting key strategies for modelling organisational changes and ensuring robust disaster recovery. Learn how these innovations have not only enhanced Standard Chartered Bank’s data infrastructure but also positioned them as pioneers in the banking sector’s adoption of graph technology.

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Do you want to learn how to model and simulate an electrical network from scratch in under an hour? Then welcome to this PowSyBl workshop, hosted by Rte, the French Transmission System Operator (TSO)! During the webinar, you will discover the PowSyBl ecosystem as well as handle and study an electrical network through an interactive Python notebook. PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides: - A fully editable and extendable library for grid component modelling; - Visualization tools to display your network; - Grid simulation tools, such as power flows, security analyses (with or without remedial actions) and sensitivity analyses; The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well. What you will learn during the webinar: - For beginners: discover PowSyBl's functionalities through a quick general presentation and the notebook, without needing any expert coding skills; - For advanced developers: master the skills to efficiently apply PowSyBl functionalities to your real-world scenarios.

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JPA Week3 Entity Mapping / Hexagonal Architecture

1. JPA Covenant Ko Chapter 3 JPA Entity Mapping / Hexagonal Architecture

2. - Name. Covenant Ko - Company. 11번가 - Github 용감한친구들 Organization Founder & Maintainer. https://github.com/brave-people - Github. https://github.com/KoEonYack - Tech Blog. https://covenant.tistory.com/ (누적 방문 41만)

3. Q&A https://www.javaguides.net/2018/12/jpa-entitymanager-interface-with-example.html

4. 1. !

5. 1. ! 2. DB !

6. 1. ! 2. DB ! 3. ORM !

7. 1. ! 2. DB ! 3. ORM ! 4. !

8. 1. ! 2. DB ! 3. ORM ! 4. ! 5. !

9. 1. ! 2. DB ! 3. ORM ! 4. ! 5. ! 6. !

10. 1. ! 2. DB ! 3. ORM ! 4. ! 5. ! 6. ! 7. !

11. 1. ! 2. DB ! 3. ORM ! 4. ! 5. ! 6. ! 7. ! Week 1 Week 2 Week 2 Week 3

12. Clean Clean Architecture ! https://youtu.be/IHrZD3vxYB0 https://subscription.packtpub.com/book/programming/9781839211966/1

13. Clean Architecture UI Presenter Use case Entity Repository Data source https://proandroiddev.com/clean-architecture-data-flow-dependency-rule-615ffdd79e29

14. Clean Architecture UI Presenter Use case Entity Repository Data source Data Flow

15. Clean Architecture UI Presenter Use case Entity Repository Data source Dependency Role 1. 2. https://ko.wikipedia.org/wiki/%EC%84%9C%EC%9A%B8%EC%8A%A4%ED%80%98%EC%96%B4

16. Clean Architecture UI Presenter Use case Entity Repository Data source

17. Clean Architecture UI Presenter Use case Entity Repository Data source

18. Clean Architecture UI Presenter Use case Entity Repository Data source Presentation Layer Domain Layer Data Layer

19. Clean Architecture UI Presenter Use case Entity Repository Data source Presentation Layer Domain Layer Data Layer

20. Clean Architecture UI Presenter Use case Entity Repository Data source Presentation Layer Domain Layer Data Layer Core

21. Clean Architecture UI Presenter Use case Entity Repository Data source Presentation Layer Domain Layer Data Layer Core 1. Domain (with business rules) is the most important Layer. 2. Shouldn’t have any dependencies with other layers. 3. Domain Layer does NOT depend on Data Layer.

22. Clean Architecture https://proandroiddev.com/clean-architecture-data-flow-dependency-rule-615ffdd79e29

23. Clean Architecture https://proandroiddev.com/clean-architecture-data-flow-dependency-rule-615ffdd79e29 View Presenter Use case Entity Repository

24. Clean Architecture https://proandroiddev.com/clean-architecture-data-flow-dependency-rule-615ffdd79e29 View Presenter Use case Entity Repository 1. Single Responsibility Principle 2. Dependency Inversion Principle

25. View Presenter Use case Entity Repository Hexagonal Architecture

26. Hexagonal Architecture 1. Core entity, use case 2. 3. 1:1 3. Core . 4. ( ) https://engineering.linecorp.com/ko/blog/port-and-adapter-architecture/

27. Hexagonal Architecture RPC HTTP API Command Line MySQL Oracle H2 1. Core entity, use case 2. 3. 1:1 3. Core . 4. ( )

28. Hexagonal Architecture RPC HTTP API Command Line MySQL Oracle H2 1. Core entity, use case 2. 3. 1:1 3. Core . 4. ( ) Spring Data JPA

29. Package by feature Controller A Data Access A Data Access B Presentation layer Business layer Data Layer Service A Service B Controller B

30. Package by layer https://engineering.linecorp.com/ko/blog/port-and-adapter-architecture/ . .

31. Package by layer https://engineering.linecorp.com/ko/blog/port-and-adapter-architecture/ 1. 2.

32. Package by component https://github.com/hyewonKim24/OntactOfficial . .

33. https://herbertograca.com/2017/11/16/explicit-architecture-01-ddd-hexagonal-onion-clean-cqrs-how-i-put-it-all-together/#inversion-of-control Hexagonal Architecture Package

34. https://blog.gaokx.de/2020/11/think-about-hexagonal-architecture-and.html Hexagonal Architecture Package

35. https://blog.gaokx.de/2020/11/think-about-hexagonal-architecture-and.html Hexagonal Architecture Package

36. https://blog.gaokx.de/2020/11/think-about-hexagonal-architecture-and.html Hexagonal Architecture Package

37. https://blog.gaokx.de/2020/11/think-about-hexagonal-architecture-and.html Hexagonal Architecture Package

38. https://blog.gaokx.de/2020/11/think-about-hexagonal-architecture-and.html Hexagonal Architecture Package

39. https://blog.gaokx.de/2020/11/think-about-hexagonal-architecture-and.html Hexagonal Architecture Package

40. Hexagonal Architecture Code Ports are used by external components to call our application https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

41. Hexagonal Architecture Code Ports are used by external components to call our application https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

42. Hexagonal Architecture Code Service to tie all the pieces together and drive the execution https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

43. Hexagonal Architecture Code Service to tie all the pieces together and drive the execution https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

44. Hexagonal Architecture Code https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

45. Hexagonal Architecture Code https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

46. Hexagonal Architecture Code https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

47. Hexagonal Architecture Example Code https://github.com/thombergs/buckpal https://jivimberg.io/blog/2020/02/01/hexagonal-architecture-on-spring-boot/

48. Hexagonal Architecture Sample Code https://blog.gaokx.de/2020/11/think-about-hexagonal-architecture-and.html

49. https://techblog.woowahan.com/5143/ Case Study

50. https://techblog.woowahan.com/5143/ Case Study

51. https://techblog.woowahan.com/5143/ Case Study

52. https://resources.experfy.com/bigdata-cloud/another-story-about-microservices-hexagonal-architecture/ Case Study

53. https://resources.experfy.com/bigdata-cloud/another-story-about-microservices-hexagonal-architecture/ Case Study

54. https://aws.amazon.com/ko/blogs/compute/developing-evolutionary-architecture-with-aws-lambda/ Case Study

55. Case Study API Gateway https://docs.microsoft.com/ko-kr/dotnet/architecture/microservices/architect-microservice-container-applications/direct-client-to-microservice-communication-versus-the-api-gateway-pattern

56. Case Study API Gateway https://docs.microsoft.com/ko-kr/dotnet/architecture/microservices/architect-microservice-container-applications/direct-client-to-microservice-communication-versus-the-api-gateway-pattern

57. https://herbertograca.com/2017/11/16/explicit-architecture-01-ddd-hexagonal-onion-clean-cqrs-how-i-put-it-all-together/#inversion-of-control Summary

58. JPA Covenant Ko Chapter 3 JPA Entity Mapping / Hexagonal Architecture