@Override
public void set(final C e) {
super.set(e);
// Calling the decorated ListIterator's method should throw an
// exception if it fails; it is assumed here then that the operation
// succeeds
lastElement.setParent(null);
e.setParent(parent);
}
@Override
public C set(final int index, final C element) {
final C result = set(index, element);
if (result != null) {
result.setParent(null);
}
return result;
}
@Override
public C remove(final int index) {
final C result = super.remove(index);
if (result != null) {
result.setParent(null);
}
return result;
}
@Override
public boolean add(final C e) {
final boolean result = super.add(e);
if (result) {
e.setParent(parent);
}
return result;
}
private static final <P, C extends MutableChild<? super P>> void setChildrenParent(
final Iterable<C> children, final P parent) {
for (final C child : children) {
if (child != null) {
child.setParent(parent);
}
}
}
@Override
public boolean remove(final Object o) {
final boolean result = super.remove(o);
if (result) {
@SuppressWarnings("unchecked")
final C element = (C) o;
element.setParent(null);
}
return result;
}
public void addChild(C child, int index) {
child.setParent(this);
getChildren().add(index, child);
}
@Override
public void add(final int index, final C element) {
super.add(index, element);
element.setParent(parent);
}
