@Override
public boolean equals(Object o) {
if (!(o instanceof Node)) {
return false;
}
if (o == this) {
return true;
}
Node other = (Node) o;
if ((operator == null) != (other.getOperator() == null)) {
return false;
}
if (operator != null && !other.getOperator().equals(operator)) {
return false;
}
if (internalNodes.size() != other.getInternalNodes().size()) {
return false;
}
for (int i = 0; i < internalNodes.size(); i++) {
if (!internalNodes.get(i).equals(other.getInternalNodes().get(i))) {
return false;
}
}
return true;
}
public StructuredIterator createIterator(Node node) throws Exception {
ArrayList<StructuredIterator> internalIterators = new ArrayList<StructuredIterator>();
for (Node internalNode : node.getInternalNodes()) {
StructuredIterator internalIterator = createIterator(internalNode);
internalIterators.add(internalIterator);
}
StructuredIterator iterator = index.getIterator(node);
if (iterator == null) {
iterator = featureFactory.getIterator(node, internalIterators);
}
return iterator;
}
