org.apache.slide.search.basic
Class OrderBy

java.lang.Object
  org.apache.slide.search.basic.OrderBy

public class OrderBy

extends java.lang.Object

Encapsulate an OrderBy expression. Also supplies a Comparator according to the specified parameters in the OrderBy expression,

Version:

$Revision: 1.11 $

Field Summary

protected java.util.List

orderByElements all orderby elements of this expression

Constructor Summary

OrderBy()

Method Summary

protected CompareHint	createCompareHint(PropertyName prop, boolean isAscending, boolean isCaseSensitive)
protected PropertyName	createProperty(org.jdom.Element propElem) Method createProperty
java.util.Comparator	getComparator() Method getComparator
void	init(org.jdom.Element orderByElement) initializes an OrderBy.

Methods inherited from class java.lang.Object

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

Field Detail

orderByElements

protected java.util.List orderByElements

all orderby elements of this expression

Constructor Detail

OrderBy

public OrderBy()

Method Detail

init

public void init(org.jdom.Element orderByElement)
          throws InvalidQueryException

initializes an OrderBy.

Parameters:

orderByElement - the JDOM element containing the orderBy expression

Throws:

InvalidQueryException

createCompareHint

protected CompareHint createCompareHint(PropertyName prop,
                                        boolean isAscending,
                                        boolean isCaseSensitive)

getComparator

public java.util.Comparator getComparator()

Method getComparator

Returns:

the comparator according to the OrderBy expression

createProperty

protected PropertyName createProperty(org.jdom.Element propElem)
                               throws InvalidQueryException

Method createProperty

Parameters:

propElem - an Element

Returns:

a _Property

Throws:

InvalidQueryException