Package uk.ac.starlink.connect

Class NodeComparator

java.lang.Object
uk.ac.starlink.connect.NodeComparator
All Implemented Interfaces:
Comparator<Node>
public class NodeComparator extends Object implements Comparator<Node>
Comparator for nodes. It returns all Branch nodes first, followed by all Leaf nodes. Within each group, items are ordered alphabetically. This is a singleton class.
Since:
25 Feb 2005
Author:
Mark Taylor (Starlink)

  • Method Details

    • getCollator

      public Collator getCollator()
      Returns the collator used to perform alphabetic ordering. May be overridden to modify behaviour.
      Returns:
      collator

    • compare

      public int compare(Node i1, Node i2)
      Specified by:
      compare in interface Comparator<Node>

    • getInstance

      public static NodeComparator getInstance()
      Returns an instance of this class.
      Returns:
      sole instance