## net.sf.saxon.sort
Class CodepointCollator

    java.lang.Object
      net.sf.saxon.sort.CodepointCollator

All Implemented Interfaces:
  java.util.Comparator, java.io.Serializable

public class CodepointCollator
extends java.lang.Object
implements java.util.Comparator, java.io.Serializable

A collating sequence that uses Unicode codepoint ordering

See Also:
  Serialized Form

Constructor Summary
`CodepointCollator()`

Method Summary
`int` `compare(java.lang.Object a, java.lang.Object b)` Compare two string objects.
`int` `compareCS(java.lang.CharSequence a, java.lang.CharSequence b)` Compare two CharSequence objects.
`static CodepointCollator` `getInstance()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface java.util.Comparator
`equals`

Constructor Detail

### CodepointCollator

    public CodepointCollator()

Method Detail

### getInstance

    public static CodepointCollator getInstance()

### compare

    public int compare(java.lang.Object a,
                       java.lang.Object b)

  Compare two string objects.

  Specified by:
    `compare` in interface `java.util.Comparator`
  Returns:
    <0 if a<b, 0 if a=b, >0 if a>b
  Throws:
    `java.lang.ClassCastException` - if the objects are of the wrong type for this Comparer

### compareCS

    public int compareCS(java.lang.CharSequence a,
                         java.lang.CharSequence b)

  Compare two CharSequence objects. This is hand-coded to avoid converting the objects into Strings.

  Returns:
    <0 if a<b, 0 if a=b, >0 if a>b
  Throws:
    `java.lang.ClassCastException` - if the objects are of the wrong type for this Comparer