Package com.saxonica.ee.stream.feed

Class DelegatingFeed

java.lang.Object

net.sf.saxon.event.Outputter

net.sf.saxon.event.ProxyOutputter

com.saxonica.ee.stream.feed.ItemFeed

com.saxonica.ee.stream.feed.DelegatingFeed

All Implemented Interfaces:

Result, Receiver

public abstract class DelegatingFeed
extends ItemFeed

A DelegatingFeed is an ItemFeed that delegates most of its work to a supplied Outputter. This allows standard Outputter code (for example, the WherePopulatedReceiver) to be used in a streaming pipeline.

Field Summary

Fields inherited from class net.sf.saxon.event.Outputter

pipelineConfiguration, systemId

Fields inherited from interface javax.xml.transform.Result

PI_DISABLE_OUTPUT_ESCAPING, PI_ENABLE_OUTPUT_ESCAPING

Constructor Summary

Constructors

Constructor	Description
DelegatingFeed(ProxyOutputter proxy, XPathContext context)

Method Summary

Modifier and Type	Method	Description
void	append(Item item)	Supply one item towards the streamed input of the expression
ItemFeed	getResultFeed()	Get the result, that is, the ItemFeed to which the items in the result of the expression should be supplied

Methods inherited from class com.saxonica.ee.stream.feed.ItemFeed

append, close, dynamicError, endSelectedParentNode, getContext, getExpression, getTerminator, hasFailed, open, processItems, setExpression, setHasFailed, setTerminator, startSelectedParentNode

Methods inherited from class net.sf.saxon.event.ProxyOutputter

attribute, characters, comment, endDocument, endElement, getNextOutputter, namespace, open, processingInstruction, setUnparsedEntity, startContent, startDocument, startElement, startElement, usesTypeAnnotations

Methods inherited from class net.sf.saxon.event.Outputter

getConfiguration, getPipelineConfiguration, getStringReceiver, getSystemId, namespaces, setPipelineConfiguration, setSystemId, spreadStartElement

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.saxon.event.Receiver

handlesAppend

Constructor Details

DelegatingFeed

public DelegatingFeed(ProxyOutputter proxy,
 XPathContext context)

Method Details

getResultFeed

public ItemFeed getResultFeed()

Get the result, that is, the ItemFeed to which the items in the result of the expression should be supplied

Overrides:

getResultFeed in class ItemFeed

Returns:

the Outputter that consumes the results of this expression

append

public void append(Item item)
            throws XPathException

Description copied from class: ItemFeed

Supply one item towards the streamed input of the expression

Specified by:

append in interface Receiver

Specified by:

append in class ItemFeed

Parameters:

item - the item to be supplied

Throws:

XPathException - if the operation fails