Package io.objectbox.annotation

Annotation Type Id

  • @Retention(CLASS)
@Target(FIELD)
public @interface Id
    Marks the ID property of an @Entity. The property must be of type long (or Long in Kotlin) and have not-private visibility (or a not-private getter and setter method).

    ID properties are unique and indexed by default.

    • Optional Element Summary

      Optional Elements 
      Modifier and Type Optional Element Description
      boolean assignable
      Allows IDs of new entities to be assigned manually.

    • Element Detail

      • assignable

        boolean assignable
        Allows IDs of new entities to be assigned manually. Warning: This has side effects, check the online documentation on self-assigned object IDs for details.

        This may allow re-use of IDs assigned elsewhere, e.g. by a server.

        Default:
        false