How to use

collectSuperTypeImports

method

in

com.oracle.truffle.dsl.processor.java.transform.OrganizedImports

private boolean needsImport(Element enclosed, TypeMirror importType) {
  String importPackagName = getPackageName(importType);
  TypeElement enclosedElement = findNearestEnclosingType(enclosed);
  if (importPackagName == null) {
    return false;
  } else if (importPackagName.equals("java.lang")) {
    return false;
  } else if (importPackagName.equals(getPackageName(topLevelClass)) && ElementUtils.isTopLevelClass(importType)) {
    return false; // same package name -> no import
  }
  String enclosedElementId = ElementUtils.getUniqueIdentifier(enclosedElement.asType());
  Set<String> autoImportedTypes = autoImportCache.get(enclosedElementId);
  if (autoImportedTypes == null) {
    List<Element> elements = ElementUtils.getElementHierarchy(enclosedElement);
    autoImportedTypes = new HashSet<>();
    for (Element element : elements) {
      if (element.getKind().isClass()) {
        collectSuperTypeImports((TypeElement) element, autoImportedTypes);
        collectInnerTypeImports((TypeElement) element, autoImportedTypes);
      }
    }
    autoImportCache.put(enclosedElementId, autoImportedTypes);
  }
  String qualifiedName = getQualifiedName(importType);
  if (autoImportedTypes.contains(qualifiedName)) {
    return false;
  }
  return true;
}

private boolean needsImport(Element enclosed, TypeMirror importType) {
  String importPackagName = getPackageName(importType);
  TypeElement enclosedElement = findNearestEnclosingType(enclosed);
  if (importPackagName == null) {
    return false;
  } else if (importPackagName.equals("java.lang")) {
    return false;
  } else if (importPackagName.equals(getPackageName(topLevelClass)) && ElementUtils.isTopLevelClass(importType)) {
    return false; // same package name -> no import
  }
  String enclosedElementId = ElementUtils.getUniqueIdentifier(enclosedElement.asType());
  Set<String> autoImportedTypes = autoImportCache.get(enclosedElementId);
  if (autoImportedTypes == null) {
    List<Element> elements = ElementUtils.getElementHierarchy(enclosedElement);
    autoImportedTypes = new HashSet<>();
    for (Element element : elements) {
      if (element.getKind().isClass()) {
        collectSuperTypeImports((TypeElement) element, autoImportedTypes);
        collectInnerTypeImports((TypeElement) element, autoImportedTypes);
      }
    }
    autoImportCache.put(enclosedElementId, autoImportedTypes);
  }
  String qualifiedName = getQualifiedName(importType);
  if (autoImportedTypes.contains(qualifiedName)) {
    return false;
  }
  return true;
}