unmanaged implementation in class zbp_demo_abap_rap_ro_u unique;
strict;

define behavior for ZDEMO_ABAP_RAP_RO_U alias root
lock master
authorization master ( global, instance )

{
  create;
  update;
  delete;
  association _child { create; }
  action multiply_by_2;
  action ( features : instance ) multiply_by_3;
  action ( features : global ) set_z;
  field ( readonly:update ) key_field;
}

define behavior for ZDEMO_ABAP_RAP_CH_U alias child
lock dependent by _parent
authorization dependent by _parent
{
  field ( readonly ) key_field;
  field ( readonly : update ) key_ch;
  association _parent;
}