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Choosing Between Resource, EntityModel & RepresentationModel in Spring HATEOAS

  • When building hypermedia-driven REST APIs using Spring HATEOAS, key decision involves choosing between Resource, EntityModel, and RepresentationModel for modeling API responses.
  • Resource, which was deprecated, combined domain objects and hypermedia links but has been replaced by clearer abstractions like EntityModel and RepresentationModel for better flexibility.
  • EntityModel wraps a single domain entity allowing attachment of hypermedia links and is recommended for single resource embedding data.
  • RepresentationModel serves as a base class for responses that don't contain a domain entity, ideal for returning links or metadata without embedding an entity.

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