{"id":17217,"date":"2023-11-09T18:52:03","date_gmt":"2023-11-09T17:52:03","guid":{"rendered":"https:\/\/www.architecturemaker.com\/?p=17217"},"modified":"2023-11-09T18:52:03","modified_gmt":"2023-11-09T17:52:03","slug":"why-hexagonal-architecture","status":"publish","type":"post","link":"https:\/\/www.architecturemaker.com\/why-hexagonal-architecture\/","title":{"rendered":"Why Hexagonal Architecture"},"content":{"rendered":"
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Understanding the Basics<\/h2>\n

Hexagonal architecture is an approach to developing software that puts the business logic at its core and ensures that the different parts of the application remain independent of one another. This keeps the code clean and readable, making it easier to maintain and develop further. The basic concept of the architecture is to have ‘ports’ and ‘adapters’ which interact with the core in different ways. A port is an interface which offers a way for the core to communicate with external services, such as a database or web service. The adapter then implements the port and provides the necessary communication for the core. By using this architecture, the core can remain independent from the external services, and the different parts of the application can be better organised and tested.<\/p>\n

Testing and Quality Assurance<\/h2>\n

One of the main advantages of using a hexagonal architecture is that it helps ensure that code is testable and maintainable. By separating the core from its external services, it makes it easier to test the core code in isolation. This helps to ensure that any issues are found quickly and addressed before they become a problem. It also helps to improve the quality of the code, as any issues can be spotted more quickly and fixed more efficiently. This helps to ensure that the code remains stable and reliable.<\/p>\n

Extending Functionality Easily<\/h2>\n

As well as being easier to test, the hexagonal architecture also makes it easier to extend the functionality of the application. Because the core code is isolated from the external services, it can be extended without having to make changes to the existing code. This makes it easier to add features and new services to the application. It also makes it easier to refactor the code should you need to modify existing functionality.<\/p>\n

Modular Design<\/h2>\n

Another benefit of the hexagonal architecture is that it can help to keep the code organised. By having ports and adapters, the code can be sorted into different modules which can then be managed independently. This helps to ensure that the code remains clean and structured, making it easier to read, maintain and develop further.<\/p>\n

Rapid Application Development<\/h2>\n
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The hexagonal architecture also helps to speed up the development process. By isolating the core from the external services, changes can be made without having to be concerned about the wider application. This makes it easier to develop new features and services quickly, helping to reduce the time it takes to get the application to market.<\/p>\n

Use Cases<\/h2>\n

Hexagonal architecture is often used for enterprise-level applications or for applications which require a high level of scalability. It is also suitable for applications which require a high level of testability and reliability, such as those used in the financial or healthcare sectors.<\/p>\n

Security Benefits<\/h2>\n

Using a hexagonal architecture also helps to make applications more secure. This is because the core is separated from the external services, which helps to reduce the risk of a security breach. By making sure that the core code is isolated, it can be more easily secured and any changes can be more easily identified and addressed.<\/p>\n

Architecture vs Frameworks<\/h2>\n

It is important to note that the hexagonal architecture is not the same as frameworks such as Spring or Angular. Frameworks are a ready-made solution that provides a set of tools and APIs. The hexagonal architecture is a high-level approach to developing software that provides a structure for how the application should be built.<\/p>\n

Adopting Hexagonal Architecture<\/h2>\n
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In order to adopt a hexagonal architecture, it is important to create an architecture map which outlines the different parts of the application. This map should provide a clear overview of the different parts and how they interact. It should also include details on how to interact with the core and external services.<\/p>\n

Architect vs Developer<\/h2>\n

When it comes to implementing a hexagonal architecture, it is important to have a knowledgeable architect to help guide the development process. An architect can help to ensure that the architecture is implemented correctly and can provide advice on how to best extend or modify the code. It is also important to have experienced developers who understand how to work with the architecture and are familiar with the tools and technologies being used.<\/p>\n

Best Practices<\/h2>\n

When working with a hexagonal architecture, it is important to follow best practices. This includes ensuring that the code is well documented and is tested regularly. It is also important to keep the architecture map up-to-date, so that the project team are aware of how the application works and how changes can be made. Finally, it is important to have a good code review process in place, so that any issues can be quickly identified and addressed.<\/p>\n

Challenges of Adopting Hexagonal Architecture<\/h2>\n

One of the main challenges of adopting a hexagonal architecture is that it can be tricky to get started. It is important to have a good understanding of the different parts and how they interact before attempting to implement the architecture. Furthermore, it can be difficult to refactor existing code in order to fit the architecture. Finally, it is important to have experienced developers who are familiar with the tools and technologies being used.<\/p>\n

Potential Pitfalls<\/h2>\n
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It is also important to be aware of the potential pitfalls of using a hexagonal architecture. One of the main challenges can be making sure that the code remains testable and maintainable. It is also important to ensure that the architecture map is kept up-to-date, as this can help to ensure that the different parts of the application remain independent.<\/p>\n

Tools for Implementing Hexagonal Architecture<\/h2>\n

There are a number of tools which can help to make it easier to implement the hexagonal architecture. These include frameworks such as Spring and Angular, which provide an easy way to create the different ports and adapters. There are also tools such as Docker and Kubernetes which can help to manage the different parts of the application. Finally, there are tools such as JUnit and Mockito which can help to ensure that the code is tested regularly.<\/p>\n

Conclusion<\/h2>\n

Hexagonal architecture is a high-level approach to developing software that puts the business logic at its core and helps to ensure that the different parts of the application remain independent of one another. By using this architecture, it is possible to keep the code clean and organised, making it easier to extend and maintain. It is also possible to reduce the time it takes to get the application to market, as well as ensure that it remains testable and maintainable. In order to effectively use the hexagonal architecture, it is important to have a knowledgeable architect to help guide the development process, as well as experienced developers who understand how to work with the architecture. Finally, it is important to ensure that best practices are followed and that any potential pitfalls are avoided.\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

Understanding the Basics Hexagonal architecture is an approach to developing software that puts the business logic at its core and ensures that the different parts … <\/p>\n

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