com.saxonica.ee.stream.adjunct

Class ItemsFromStreamer

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.FilterFnStreamer

com.saxonica.ee.stream.adjunct.ItemsFromStreamer

All Implemented Interfaces:

FeedMaker

public class ItemsFromStreamer
extends FilterFnStreamer

Generate streaming code for the saxon:items-from function. The streamability rules are the same as for the fn:filter function.

Constructor Summary

Constructors

Constructor and Description
ItemsFromStreamer()

Method Summary

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

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

checkPredicateFunction, computeStreamability

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

emptyAdjunctMap, findConsumingArg, genId, 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

ItemsFromStreamer

public ItemsFromStreamer()

Method Detail

makeFilter

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

Make a filter for the event stream

Overrides:

makeFilter in class FilterFnStreamer

Parameters:

context - the XPath dyamic context

out - the destination for the filtered events

Returns:

a filter that can be added to the event stream

Throws:

XPathException - if a dynamic evaluation error occurs