private Comparator<ENTITY> asCombined() {
        return new CombinedComparatorImpl<>(singletonList(this));
    }
Abstract base implementation of {@link FieldComparator}

@author Emil Forslund
@since  3.0.11
runtime-parent/runtime-field/src/main/java/com/speedment/runtime/field/internal/comparator/AbstractFieldComparator.java