1 package com.icl.saxon.sort; 2 import com.icl.saxon.om.NodeInfo; 3 4 /** 5 * A Comparer used for comparing nodes in document order 6 * 7 * @author Michael H. Kay (mhkay@iclway.co.uk) 8 * 9 */ 10 11 public interface NodeOrderComparer { 12 13 /** 14 * Compare two objects. 15 * @return <0 if a<b, 0 if a=b, >0 if a>b 16 */ 17 18 public int compare(NodeInfo a, NodeInfo b); 19 20 } 21