org.exist.xquery
Class CachedResult

java.lang.Object
  org.exist.xquery.CachedResult

public class CachedResult
extends java.lang.Object

This class is used to hold an intermediate result that can be cached. Caching results is effective if a subexpression is executed more than once and the current evaluation context doesn't change between invocations.

Field Summary

protected Sequence	cachedContext
protected Item	cachedItem
protected Sequence	cachedResult
protected int	timestamp

Constructor Summary

CachedResult(Sequence context, Item contextItem, Sequence result)

Method Summary

Sequence	getResult()
boolean	isValid(Sequence context, Item contextItem)

Methods inherited from class java.lang.Object

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

Field Detail

cachedResult

protected final Sequence cachedResult

cachedContext

protected final Sequence cachedContext

cachedItem

protected final Item cachedItem

timestamp

protected final int timestamp

Constructor Detail

CachedResult

public CachedResult(Sequence context,
                    Item contextItem,
                    Sequence result)

Method Detail

getResult

public Sequence getResult()

isValid

public boolean isValid(Sequence context,
                       Item contextItem)