Merge pull request #462 from monperrus/CtAbstractVisitor

src/main/java/spoon/reflect/visitor/CtAbstractVisitor.java

@@ -69,7 +69,6 @@
 import spoon.reflect.declaration.CtAnonymousExecutable;
 import spoon.reflect.declaration.CtClass;
 import spoon.reflect.declaration.CtConstructor;
-import spoon.reflect.declaration.CtElement;
 import spoon.reflect.declaration.CtEnum;
 import spoon.reflect.declaration.CtField;
 import spoon.reflect.declaration.CtInterface;
@@ -87,44 +86,16 @@
 import spoon.reflect.reference.CtLocalVariableReference;
 import spoon.reflect.reference.CtPackageReference;
 import spoon.reflect.reference.CtParameterReference;
-import spoon.reflect.reference.CtReference;
 import spoon.reflect.reference.CtTypeParameterReference;
 import spoon.reflect.reference.CtTypeReference;
 import spoon.reflect.reference.CtUnboundVariableReference;
 
 import java.lang.annotation.Annotation;
-import java.util.Collection;
 
+/** Provides an empty implementation of CtVIsitor.
+ * See {@link CtScanner} for a much more powerful implementation of CtVisitor.
+ */
 public abstract class CtAbstractVisitor implements CtVisitor {
- /**
- * Generically scans a collection of meta-model elements.
- */
- public void scan(Collection<? extends CtElement> elements) {
- if (elements != null) {
- for (CtElement e : elements) {
- scan(e);
- }
- }
- }
-
- /**
- * Generically scans a meta-model element.
- */
- public void scan(CtElement element) {
- if (element != null) {
- element.accept(this);
- }
- }
-
- /**
- * Generically scans a meta-model element reference.
- */
- public void scan(CtReference reference) {
- if (reference != null) {
- reference.accept(this);
- }
- }
-
  @Override
  public <A extends Annotation> void visitCtAnnotation(
  CtAnnotation<A> annotation) {