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## 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 a 0 if a>b

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Copyright (c) 2004-2011 Saxonica Limited. All rights reserved.