@Override
public void meet(Var var) {
if (toBeReplaced.equals(var)
|| (toBeReplaced.isAnonymous()
&& var.isAnonymous()
&& (toBeReplaced.hasValue() && toBeReplaced.getValue().equals(var.getValue())))) {
QueryModelNode parent = var.getParentNode();
parent.replaceChildNode(var, replacement);
replacement.setParentNode(parent);
} else if (replaceAnons && var.isAnonymous() && !var.hasValue()) {
Var replacementVar = createAnonVar("anon-replace-" + var.getName() + index);
QueryModelNode parent = var.getParentNode();
parent.replaceChildNode(var, replacementVar);
replacementVar.setParentNode(parent);
}
}