net.sf.saxon.expr.sort

Class ItemWithMergeKeys

java.lang.Object

net.sf.saxon.expr.sort.ItemWithMergeKeys

public class ItemWithMergeKeys
extends Object

A class representing an item together with its merge keys and the name of the merge source object from which it derived, suitable for encapsulation as an ObjectValue. The input sequences are mapped to sequences of these items, and the merge keys are then stripped off before applying the merge action.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) Item	baseItem
(package private) List<AtomicValue>	sortKeyValues
(package private) String	sourceName

Constructor Summary

Constructors

Constructor and Description
ItemWithMergeKeys(Item bItem, SortKeyDefinitionList sKeys, String name, XPathContext context) Create an item, calculate with its merge keys, and construct the composite item in which the merge key values are saved

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

baseItem

Item baseItem

sortKeyValues

List<AtomicValue> sortKeyValues

sourceName

String sourceName

Constructor Detail

ItemWithMergeKeys

ItemWithMergeKeys(Item bItem,
                  SortKeyDefinitionList sKeys,
                  String name,
                  XPathContext context)
           throws XPathException

Create an item, calculate with its merge keys, and construct the composite item in which the merge key values are saved

Parameters:

bItem - the item to be encapsulated

sKeys - the merge key definitions

name - the merge source name

context - the dynamic context, used for evaluating the merge keys for the item

Throws:

XPathException - if evaluation of a sort key fails