/**
* Returns the number of siblings of this node. A node is its own sibling (if it has no parent or
* no siblings, this method returns <code>1</code>).
*
* @return the number of siblings of this node
*/
public int getSiblingCount() {
TreeNode myParent = getParent();
if (myParent == null) {
return 1;
} else {
return myParent.getChildCount();
}
}
