question: @ Override public boolean eIsSet ( int featureID ) { switch ( featureID ) { case EipPackage . FILTER__NAME : return NAME_EDEFAULT == null ? name != null : ! NAME_EDEFAULT . equals ( name ) ; case EipPackage . FILTER__TO_CHANNELS : return toChannels != null && ! toChannels . isEmpty ( ) ; case EipPackage . FILTER__FROM_CHANNELS : return fromChannels != null && ! fromChannels . isEmpty ( ) ; case EipPackage . FILTER__EXPRESSION : return EXPRESSION_EDEFAULT == null ? expression != null : ! EXPRESSION_EDEFAULT . equals ( expression ) ; } return super . eIsSet ( featureID ) ; }
target:  <!-- begin-user-doc --> <!-- end-user-doc -->