Description: By using this node group, model knows the connection of the
mutiple links. Since mutiple links do not connect by nodes ( 1 node only can
associated with 1 link), using this class to join links together, in
specified order.
findNodeByNodeObject(Object nodeObj) Find and return the mapper node that contains the specified node object.
Parameters: nodeObj - the specifed node object to be matched.
Add a node to be the next one of the specified child node.
Parameters: childNode - the childNode to be match Parameters: newNode - the new node to be added next to child
Add a node to be the previous one of the specified child node.
Parameters: childNode - the childNode to be match Parameters: newNode - the new node to be added previous to child
Return true if the specifed node is in this group node, false otherwise.
Parameters: node - the specifed node to find. true if the specifed node is in this group node, falseotherwise.
Find and return the mapper node that contains the specified node object.
Parameters: nodeObj - the specifed node object to be matched. the mapper node that contains the specified node object.
Return the end node that contains by the specifed link and also is one of
the node in this group node.
Parameters: link - the specified link the node in this group node that connected end point to theof the specified link.
Return the start node that contains by the specifed link and also is one
of the node in this group node.
Parameters: link - the specified link the node in this group node that connected to the startpoint of the specified link.