Sortable (saxon JavaDoc)

All Known Implementing Classes:

DocumentOrderIterator, OrderByClausePull, OrderByClausePush, SortedGroupIterator, SortedIterator
```
public interface Sortable
```
A Sortable is an object that can be sorted using the QuickSort method.

Author:

Michael H. Kay

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`compare(int a, int b)`	Compare two objects within this Sortable, identified by their position.
`void`	`swap(int a, int b)`	Swap two objects within this Sortable, identified by their position.

- Method Detail
  - compare
```
int compare(int a,
            int b)
```
    Compare two objects within this Sortable, identified by their position.
    
    Returns:
    
    <0 if obj[a]0 if obj[a]>obj[b]
  - swap
```
void swap(int a,
          int b)
```
    Swap two objects within this Sortable, identified by their position.