private static void checkIfAlreadyExistsOnePlanetWithSameAcronymAndName(PlanetUnit planetUnit) { for (Unit unit : UnitUtils.readAllUnitsWithoutParents()) { if (!unit.equals(planetUnit) && unit.isPlanetUnit() && (planetUnit.getAcronym().equalsIgnoreCase(unit.getAcronym()) || planetUnit.getName().equalsIgnoreCase(unit.getName()))) { throw new DomainException("error.unit.already.exists.unit.with.same.name.or.acronym"); } } }