Features

JEAF Generator realizes the link between UML models and code.It is designed for enterprise projects and offers a large set of features to implement scalable, high-load, high-performance applications.

JEAF Generator is provided as Maven Plugin. All required configurations can be done through the plugin configuration.

Supported UML Modeling Tools

JEAF Generator uses UML models to generate code and configurations for various cases and target platforms. No matter what is the expected output, an UML model is always the input.

Currently the following UML modeling tools are supported: ¹⁾

¹⁾ Enterprise Architect from Sparx Systems is not supported as it does not support the full UML 2.5 feature set. Unfortunately, some of the missing features are mandatory when you want to set up a feature rich, high quality model-driven process.

General Features

Features	Description	Additional Information
`Maven Integration`	JEAF Generator is provided a Maven Plugin to easily integrate into your build process. All configurations are done via Maven Plugin configuration	- Integrate JEAF Generator in Maven Build - Maven Plugin Configuration
`Extension Points`	There are several extension points that allow to plug in custom templates into the standard code generation templates of JEAF Generator
`Extensible generated code`	Classes that are generated can be further extended with handwritten code.
`Customer-specific extensions`	In addition to the already integrated templates for code generation it is also possible to add custom templates and checks
`Supports JakartaEE and JEE`	Besides JakartaEE it is still supported to use legacy JEE types e.g. Validation Annotations
`Configurable code formatting`	The formatting of the generated code can be configured according to your rules.
`Configurable order of imports`	Ordering of imports and static imports can be configured according to your rules.

Java

Features	Description	Additional Information
`POJO`	Generate POJO classes from a UML model. Generated code uses builder pattern by default.
`Builder Pattern`	By default for all POJOs / Service Objects Builders are created
`Exception classes`
`Object Mappers`
`Java Bean Validation annotations`
`Custom Java Validation Constraints`
`Builder Validation`
`Generate Java Generics`
`Bi-directional assocations`
`Soft Links`
`Immutability`	It is possible to configure that the generated classes are immutable. This means that as soon as an object is created it can not be modified.
`of(...) / valueOf(...)`
`hashCode(...) / equals(...)`

Jackson / JSON

Features	Description	Additional Information
`Jackson annotations`
`Bi-directional associations`
`ID based data deduplication`
`JSON Serializers`

Spring

Features	Description	Additional Information
`Service Interfaces`
`REST Controller`
`Bean Params`
`Spring Security`
`Usage of generic response types for REST Resources`
`REST Request / Response Validation`
`REST Request / Response Logging`
`Configure REST libraries (Spring Web MVC, JAX-RS)`
`REST Client`	independent of REST Controller (client only), generic responses
`Activity Interfaces / Implementation`

OpenAPI

Features	Description	Additional Information
`OpenAPI Specification`
`Split OpenAPI spec in multiple modules`
`OpenAPI Data Types`	nice JSON (flat), no nested object structure in JSON representation but strong typing in Java
`Mapping of generic response types to OpenAPI`
`OpenAPI Spec Validation`

JPA / Hibernate

Features	Description	Additional Information
`Hibernate Entities (Persistent Objects)`
`Hibernate OR-Mapping`	incl. fetch strategy
`Bi-directional associations`
`many-to-many relations`
`Hibernate Composite types`
`Persistence Units`

JakartaEE / JEE

Features	Description	Additional Information
`REST Resources`
`REST Request / Response Validation`
`REST Request / Response Logging`
`Bean Params`

Reports

Features	Description	Additional Information
`Types Report`	Business perspective, glossary
`Breaking Changes Report`
`REST Deprecation Report`
`Java Deprecation Report`
`Security Roles Report`

JEAF Framework

Features	Description	Additional Information
`Service Interfaces`
`Service Objects`
`Domain Objects`
`Service Proxies / REST Client`
`Service Provider Interfaces`
`Service Provider Implementation`
`Activity Interfaces / Implementation`
`JEAF Components and Runtime classes`
`JUnit tests for JEAF Services`