public JSONArray getJSONArrayRepresentation(RepFactory f) throws JSONException {
JSONArray arr = new JSONArray();
Stack<HNode> st = new Stack<HNode>();
st.push(this);
HTable t = f.getHTable(hTableId);
HNode parentNode = t.getParentHNode();
while (parentNode != null) {
st.push(parentNode);
t = f.getHTable(parentNode.getHTableId());
parentNode = t.getParentHNode();
}
while (!st.isEmpty()) {
HNode node = st.pop();
JSONObject obj = new JSONObject();
obj.put("columnName", node.getColumnName());
arr.put(obj);
}
return arr;
}
public int compareTo(HNode other) {
return columnName.compareTo(other.getColumnName());
}