Annotation Type OneToMany

@Retention(CLASS) @Target(FIELD) public @interface OneToMany
Maps a collection of related entities using a join table or an inverse mappedBy field.

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    CascadeType[]
    cascade
    Chooses operations to propagate to related entities.
    FetchType
    fetch
    Controls relationship initialization.
    String
    mappedBy
    Names the owning Java relationship field on the target entity.
    boolean
    orphanRemoval
    Deletes a related entity removed from this one-to-one or one-to-many association at flush.

  • Element Details

    • fetch

      FetchType fetch
      Controls relationship initialization.
      Returns:
      fetch policy; EAGER for to-one and LAZY for collections by default
      Default:
      LAZY

    • cascade

      CascadeType[] cascade
      Chooses operations to propagate to related entities.
      Returns:
      cascade operations; empty by default
      Default:
      {}

    • mappedBy

      String mappedBy
      Names the owning Java relationship field on the target entity.
      Returns:
      owning field name, or empty for the owning side
      Default:
      ""

    • orphanRemoval

      boolean orphanRemoval
      Deletes a related entity removed from this one-to-one or one-to-many association at flush.
      Returns:
      true to delete orphans; false by default
      Default:
      false