code: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case BasePackage.TRIPLET__LABEL:
  				return LABEL_EDEFAULT == null ? label != null : !LABEL_EDEFAULT.equals(label);
  			case BasePackage.TRIPLET__CHARSET:
  				return CHARSET_EDEFAULT == null ? charset != null : !CHARSET_EDEFAULT.equals(charset);
  			case BasePackage.TRIPLET__FILE_OFFSET:
  				return fileOffset != FILE_OFFSET_EDEFAULT;
  			case BasePackage.TRIPLET__TRIPLET_LENGTH:
  				return tripletLength != TRIPLET_LENGTH_EDEFAULT;
  			case BasePackage.TRIPLET__TRIPLET_ID:
  				return tripletId != TRIPLET_ID_EDEFAULT;
  			case BasePackage.TRIPLET__TRIPLET_NUMBER:
  				return tripletNumber != TRIPLET_NUMBER_EDEFAULT;
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated