package client.net.sf.saxon.ce.expr.sort;
/**
* A Sortable is an object that can be sorted using the QuickSort method.
*
* @author Michael H. Kay
*
*/
public interface Sortable {
/**
* Compare two objects within this Sortable, identified by their position.
* @return <0 if obj[a]<obj[b], 0 if obj[a]=obj[b], >0 if obj[a]>obj[b]
*/
public int compare(int a, int b);
/**
* Swap two objects within this Sortable, identified by their position.
*/
public void swap(int a, int b);
}
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// This Source Code Form is “Incompatible With Secondary Licenses”, as defined by the Mozilla Public License, v. 2.0.