@Override
@SuppressWarnings("ConstantConditions")
protected void doVisitField(
@Nullable VariableElement oldField, @Nullable VariableElement newField) {
if (!shouldCheck(oldField, newField)) {
return;
}
Predicate<VariableElement> isNotEnumConstant = v -> v.getKind() != ElementKind.ENUM_CONSTANT;
List<? extends VariableElement> fields =
ElementFilter.fieldsIn(oldField.getEnclosingElement().getEnclosedElements());
fields.removeIf(isNotEnumConstant);
int oldIdx = fields.indexOf(oldField);
fields = ElementFilter.fieldsIn(newField.getEnclosingElement().getEnclosedElements());
fields.removeIf(isNotEnumConstant);
int newIdx = fields.indexOf(newField);
if (newIdx != oldIdx) {
pushActive(oldField, newField, oldIdx, newIdx);
}
}
private void checkForMutableFields(Protoclass protoclass, TypeElement element) {
for (VariableElement field :
ElementFilter.fieldsIn(
processing.getElementUtils().getAllMembers(CachingElements.getDelegate(element)))) {
if (!field.getModifiers().contains(Modifier.FINAL)) {
Reporter report = protoclass.report();
boolean ownField = CachingElements.equals(element, field.getEnclosingElement());
if (ownField) {
report
.withElement(field)
.warning("Avoid introduction of fields (except constants) in abstract value types");
} else {
report.warning("Abstract value type inherits mutable fields");
}
}
}
}