Annotation Type IdClass

  • @Target(TYPE)
    public @interface IdClass
    Specifies a composite primary key class that is mapped to multiple fields or properties of the entity.

    The names of the fields or properties in the primary key class and the primary key fields or properties of the entity must correspond and their types must be the same.

       public class Employee {
          @Id String empName;
          @Id Date birthDay;
    • Required Element Summary

      Required Elements 
      Modifier and Type Required Element Description
      Class value
      Primary key class
    • Element Detail

      • value

        Class value
        Primary key class