public void addCoreEquipmentConfigurationChanger(final long equipmentId,final ICoreEquipmentConfigurationChanger coreEquipmentConfigurationChanger){
  List<ICoreEquipmentConfigurationChanger> changers=coreEquipmentConfigurationChangers.get(equipmentId);
  if (changers == null) {
    changers=new ArrayList<>();
    coreEquipmentConfigurationChangers.put(equipmentId,changers);
  }
  changers.add(coreEquipmentConfigurationChanger);
}

public void addCoreEquipmentConfigurationChanger ( final long equipmentId , final ICoreEquipmentConfigurationChanger coreEquipmentConfigurationChanger ) { List < ICoreEquipmentConfigurationChanger > changers = coreEquipmentConfigurationChangers . get ( equipmentId ) ; if ( changers == null ) { changers = new ArrayList < > ( ) ; coreEquipmentConfigurationChangers . put ( equipmentId , changers ) ; } changers . add ( coreEquipmentConfigurationChanger ) ; }
adds a core equipment configuration changer to the controller .
