/**
* Check if node is root node and has no children.
*
* @param node The node to check.
* @return <tt>true</tt>, if the node has no father node and no children.
*/
public static boolean isRootWithoutChildren(ConstNode node) {
return (!node.hasFather() && !node.hasChildren());
}
/** Get last node in main variation. */
public static ConstNode getLast(ConstNode node) {
while (node.hasChildren()) node = node.getChildConst();
return node;
}
