Apache Isis

Website

isis.apache.org

$ Details

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Categories

#Business Management #ERP #No Code #Application Builder

OpenXava

Website

openxava.org

$ Details

Categories

#Software Development #Developer Tools #Mobile App Dev Platform #Application Builder

Apache Isis features and specs

• Rapid Application Development
  Apache Isis simplifies the development of domain-driven and RESTful applications, significantly reducing the time required to build typical CRUD interfaces.
• Domain-Driven Design
  It supports domain-driven design principles, allowing developers to focus on the business logic without being bogged down by technical details.
• Convention Over Configuration
  The framework uses sensible defaults and conventions, minimizing the need for configuration and allowing for easier setup and maintenance.
• Extensible Architecture
  Apache Isis provides a modular architecture that can be extended with custom modules and plugins, allowing for highly customizable applications.
• Automatic User Interface Generation
  Based on the domain model, Isis can automatically generate a web-based user interface, helping developers visualize and interact with the application quickly.

Possible disadvantages of Apache Isis

• Learning Curve
  Due to its unique approach to application development rooted in domain-driven design, new developers might face a steep learning curve.
• Limited Community and Resources
  Compared to more mainstream frameworks, Apache Isis has a smaller community and fewer learning resources, which could be a challenge when seeking support.
• Performance Overhead
  The abstraction and automation features might introduce performance overhead, which can be a concern for very high-performance demanding applications.
• Complex Customization
  While it is built to streamline many processes, highly customized features may require significant tinkering and a deep understanding of the framework.
• Niche Use Case
  Its focus on domain-driven design and specific architectural styles may make it less suitable for certain types of projects or various application layers.

OpenXava features and specs

• Rapid Development
  OpenXava allows for quick application development thanks to its model-driven architecture and high-level abstraction, enabling developers to focus on business logic rather than low-level code.
• Java-Based
  Being Java-based, it leverages a widely-used, well-supported language with an extensive ecosystem, making it easier to find resources and developers.
• Rich User Interface
  Provides a sophisticated user interface out-of-the-box, including features like form validation, data pagination, and customizable views, reducing the need for additional UI work.
• Scalability
  Designed to scale with the needs of the application, it supports large enterprise applications with complex requirements.
• Integration Capabilities
  Easily integrates with other Java frameworks and libraries, allowing for greater flexibility in terms of functionality and technology stack.
• Community Support
  Has an active community and extensive documentation, providing ample resources for troubleshooting and learning.

Possible disadvantages of OpenXava

• Learning Curve
  Despite its abstractions, there can be a steep learning curve for those unfamiliar with Java or model-driven architecture approaches.
• Flexibility Constraints
  While it's easy to get started with OpenXava, specialized or highly customized requirements might be challenging to implement due to framework constraints.
• Performance Overhead
  The abstraction layers and automatic features can introduce additional performance overhead compared to hand-coded solutions.
• Less Popular
  Compared to other open-source frameworks like Spring, OpenXava is less popular, which might mean fewer third-party plugins and less community engagement.
• Dependency on Java
  Being tied to the Java ecosystem, it might not be suitable for teams or projects that prefer other languages or platforms.
• Vendor Lock-in
  Applications developed using OpenXava can be heavily dependent on the framework, making it challenging to migrate to another framework in the future.

How Apache Isis builds a webapp from a domain object model

More videos:

Invoicing application in 14 minutes with OpenXava, an AJAX Java Framework