net.sf.saxon.expr.sort
Class GlobalOrderComparer

java.lang.Object
  net.sf.saxon.expr.sort.GlobalOrderComparer

All Implemented Interfaces:

Serializable, ItemOrderComparer

public final class GlobalOrderComparer
extends Object
implements ItemOrderComparer, Serializable

A Comparer used for comparing nodes in document order. This comparer is used when there is no guarantee that the nodes being compared come from the same document

Author:

Michael H. Kay

See Also:

Serialized Form

Constructor Summary

GlobalOrderComparer()

Method Summary

int	compare(Item a, Item b) Compare two objects.
static GlobalOrderComparer	getInstance() Get an instance of a GlobalOrderComparer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GlobalOrderComparer

public GlobalOrderComparer()

Method Detail

getInstance

public static GlobalOrderComparer getInstance()

Get an instance of a GlobalOrderComparer. The class maintains no state so this returns the same instance every time.

compare

public int compare(Item a,
                   Item b)

Description copied from interface: ItemOrderComparer

Compare two objects.

Specified by:

compare in interface ItemOrderComparer

Returns:

<0 if a0 if a>b