package petclinic.util;
   
   import javax.persistence.MappedSuperclass;
   import javax.validation.constraints.NotNull;
   import javax.validation.constraints.Size;
   
   /**
    * A person having a first and a last name.
    */
  @MappedSuperclass
  public class Person extends BaseEntity {
      private static final long serialVersionUID = 1L;
  
      @NotNull
      @Size(min = 1)
      protected String firstName;
  
      @NotNull
      @Size(min = 1)
      protected String lastName;
  
      public String getFirstName() {
          return firstName;
      }
  
      public void setFirstName(String firstName) {
          this.firstName = firstName;
      }
  
      public String getLastName() {
          return lastName;
      }
  
      public void setLastName(String lastName) {
          this.lastName = lastName;
      }
  }