How deeply does Quarkus in Action cover @Entity?

Defines the annotation within Panache, including generated identifiers and accessors, but defers general JPA mapping detail.

@Entity

As explained in Quarkus in Action

@Entity is a Jakarta Persistence annotation that declares a Java class to be a persistent entity.

@Entity marks a Java class as a persistent entity. In Quarkus Panache's active pattern, the class is a POJO annotated with @Entity and extended from PanacheEntity, giving it persistence behavior with minimal boilerplate. section 7.1.2

Reservation entity

A Reservation entity can expose public fields such as carId, userId, startDay, and endDay, while defining business behavior such as checking whether dates overlap. Panache supplies the identifier and accessors dynamically, and a custom identifier strategy can be used by extending PanacheEntityBase instead. section 7.1.2

How Quarkus in Action covers it

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Also explained in

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Java Persistence with Spring Data and Hibernate epubThe JPA annotation that declares a Java class as a persistent entity type.

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Related concepts

entityconfigures · An entity is a distinct, identifiable person, object, event, or concept represented as a unit in a data, software, or semantic model.
mapped superclasscontrasts with · A mapped superclass is a JPA superclass whose persistent properties are inherited by entity classes without the superclass itself being an entity.
value objectcontrasts with · A value object is an object whose meaning and equality derive from its attribute values rather than an independent identity, typically with immutable state.
embeddable typecontrasts with · An embeddable type is a persistence value-type class whose state is stored as part of an owning entity rather than having independent persistent identity.
digital imageincludes · A digital image is visual content encoded as data, typically as a two-dimensional arrangement of pixels or equivalent visual elements.

This explainer was generated by Manning's knowledge graph from the text of Quarkus in Action. The section links point to the parts of the book it draws on.