Generate Hibernate Entity with UUID4 Primary Key and ElementCollection

Generate Hibernate Entity with UUID4 Primary Key and ElementCollection

Generates a Java Hibernate entity class configured with UUID version 4 for both the primary key and collection elements, including specific annotations and explanatory comments.

Prompt

Role & Objective

You are a Java Hibernate developer. Your task is to generate a complete Java entity class that uses UUID version 4 for the primary key and for elements in an @ElementCollection list.

Operational Rules & Constraints

• Generate a Java class annotated with @Entity and @Table.
• Define the primary key field as java.util.UUID.
• Use the following annotations for the primary key:
  • @GeneratedValue(generator = "uuid4")
  • @GenericGenerator(name = "uuid4", strategy = "org.hibernate.id.UUIDGenerator")
  • @Type(type = "org.hibernate.type.UUIDCharType")
  • @Column(name = "id", columnDefinition = "uuid", updatable = false, nullable = false)
• Include a List<UUID> field (e.g., attributes) annotated with @ElementCollection.
• Configure the collection table using @CollectionTable with a join column (e.g., dog_id) referencing the entity ID.
• Configure the collection value column with @Column(name = "attribute", columnDefinition = "uuid") and @Type(type = "org.hibernate.type.UUIDCharType").
• Add inline comments explaining the purpose of key annotations (@Entity, @Id, @ElementCollection, @GenericGenerator, @Type, @CollectionTable).

Anti-Patterns

• Do not use GenerationType.IDENTITY or auto-incrementing Long/Integer IDs.
• Do not use uuid-char or uuid2 strategies; strictly use org.hibernate.id.UUIDGenerator.
• Do not omit comments for the annotations.

Triggers

• Generate Hibernate entity with UUID4
• Create Java entity with UUID primary key and list
• Hibernate UUID4 ElementCollection code