com.saxonica.ee.stream.adjunct

Class TailExpressionAdjunct

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.TailExpressionAdjunct

All Implemented Interfaces:

FeedMaker

public class TailExpressionAdjunct
extends FilteringAdjunct

Constructor Summary

Constructors

Constructor and Description
TailExpressionAdjunct()

Method Summary

Methods

Modifier and Type	Method and Description
FilteringFeed.Filter	makeFilter(XPathContext context) Make a filter for the event stream
Pattern	toStreamingPattern(Configuration config) Convert this expression to a streaming pattern (a pattern used internally to match nodes during push processing of an 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, getConfiguration, getDefaultFeedMaker, getExpression, getFeedMaker, setConfiguration, setExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

TailExpressionAdjunct

public TailExpressionAdjunct()

Method Detail

toStreamingPattern

public Pattern toStreamingPattern(Configuration config)

Convert this expression to a streaming pattern (a pattern used internally to match nodes during push processing of an event stream)

Overrides:

toStreamingPattern in class StreamingAdjunct

Parameters:

config - the Saxon configuration

Returns:

the equivalent pattern if conversion succeeds; otherwise null

makeFilter

public FilteringFeed.Filter makeFilter(XPathContext context)
                                throws XPathException

Make a filter for the event stream

Specified by:

makeFilter in class FilteringAdjunct

Parameters:

context - the XPath dyamic context

Returns:

a filter that can be added to the event stream

Throws:

XPathException - if a dynamic evaluation error occurs