com.saxonica.ee.stream.adjunct

Class OnEmptyAdjunct

java.lang.Object

com.saxonica.ee.stream.adjunct.StreamingAdjunct

com.saxonica.ee.stream.adjunct.TransmissionAdjunct

com.saxonica.ee.stream.adjunct.FilteringAdjunct

com.saxonica.ee.stream.adjunct.OnEmptyAdjunct

All Implemented Interfaces:

FeedMaker

public class OnEmptyAdjunct
extends FilteringAdjunct

Generate streaming code for a consuming xsl:on-empty instruction

Constructor Summary

Constructors

Constructor and Description
OnEmptyAdjunct()

Method Summary

Modifier and Type	Method and Description
FilteringFeed.Filter	makeFilter(XPathContext context, Feed out) Make a filter for the event stream

Methods inherited from class com.saxonica.ee.stream.adjunct.FilteringAdjunct

makeItemFeed

Methods inherited from class com.saxonica.ee.stream.adjunct.TransmissionAdjunct

getWatchMaker, makeTransmissionFlow

Methods inherited from class com.saxonica.ee.stream.adjunct.StreamingAdjunct

computeStreamability, findConsumingArg, getConfiguration, getDefaultFeedMaker, getExpression, getFeedMaker, makeStreamingAdjunct, setConfiguration, setExpression, toStreamingPattern

Methods inherited from class java.lang.Object

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

Constructor Detail

OnEmptyAdjunct

public OnEmptyAdjunct()

Method Detail

makeFilter

public FilteringFeed.Filter makeFilter(XPathContext context,
                                       Feed out)
                                throws XPathException

Make a filter for the event stream

Specified by:

makeFilter in class FilteringAdjunct

Parameters:

context - the XPath dyamic context

out - the next feed in the pipeline, which will always be the feed for the containing ConditionalBlock instruction

Returns:

a filter that can be added to the event stream

Throws:

XPathException - if a dynamic evaluation error occurs