com.saxonica.stream.feed
Class GeneralComparisonFeed

java.lang.Object
  extended by com.saxonica.stream.feed.ItemFeed
      extended by com.saxonica.stream.feed.GeneralComparisonFeed
All Implemented Interfaces:
Feed

public class GeneralComparisonFeed
extends ItemFeed

This class is used when a streaming template requests a general comparison with one operand being pushed from the streamed input document


Constructor Summary
GeneralComparisonFeed(Expression expr, int pushedArg, Feed result, Stack<XPathContext> contextStack)
           
 
Method Summary
 void append(Item item)
          Supply an item to the feed
 void close()
          Finish evaluating the expression.
 void open()
          Start evaluating the expression.
 
Methods inherited from class com.saxonica.stream.feed.ItemFeed
getContext, getContextStack, getExpression, getPipelineConfiguration, getResult, setPipelineConfiguration
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

GeneralComparisonFeed

public GeneralComparisonFeed(Expression expr,
                             int pushedArg,
                             Feed result,
                             Stack<XPathContext> contextStack)
Method Detail

open

public void open()
          throws XPathException
Description copied from class: ItemFeed
Start evaluating the expression. The default implementation does nothing.

Specified by:
open in interface Feed
Overrides:
open in class ItemFeed
Throws:
XPathException - if a dynamic error occurs

append

public void append(Item item)
            throws XPathException
Supply an item to the feed

Specified by:
append in interface Feed
Specified by:
append in class ItemFeed
Parameters:
item - the item being fed (in this case, an item in the "pushed" operand sequence that is being compared
Throws:
XPathException - to report any failure

close

public void close()
           throws XPathException
Description copied from class: ItemFeed
Finish evaluating the expression. The default implementation does nothing.

Specified by:
close in interface Feed
Overrides:
close in class ItemFeed
Throws:
XPathException - if a dynamic error occurs


Copyright (c) 2004-2011 Saxonica Limited. All rights reserved.