private void initialize(ModelValidator validator,MClient client){
  if (client == null)   m_globalValidators.add(validator);
  m_validators.add(validator);
  validator.initialize(this,client);
}

private void initialize ( ModelValidator validator , MClient client ) { if ( client == null ) m_globalValidators . add ( validator ) ; m_validators . add ( validator ) ; validator . initialize ( this , client ) ; }
initialize and add validator
