/**
* Adds the provided node as the second argument of an AND clause to this node.
*
* @param node Node to 'AND' with.
* @return New top AND node, new root.
* @throws Exception
*/
public ConditionsTreeNode and(ConditionsTreeNode node) throws Exception {
mLeafSet.addAll(node.getLeafSet());
if (mConditions == null) {
mConditions = node;
return node;
}
mConditions = mConditions.and(node);
return mConditions;
}
