public void removeParentBChildBar(ParentBChildBar o) {
if (o.getParentBParent() != this) {
return;
}
o.setParentBParentWithoutPercolation(null);
this.removeParentBChildBarWithoutPercolation(o);
}
public void addParentBChildBar(ParentBChildBar o) {
if (o.getParentBParent() == this) {
return;
}
o.setParentBParentWithoutPercolation((ParentBParent) this);
this.addParentBChildBarWithoutPercolation(o);
}