com.saxonica.extra
Class SequenceFilter

java.lang.Object
  net.sf.saxon.event.SequenceReceiver
      net.sf.saxon.event.SequenceWriter
          com.saxonica.extra.SequenceFilter

All Implemented Interfaces:

javax.xml.transform.Result, Receiver

public class SequenceFilter
extends SequenceWriter

A sequence writer that passes on only those items that satisfy a filter predicate. The filter will always be non-positional.

Field Summary

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

pipelineConfiguration, previousAtomic, systemId

Fields inherited from interface javax.xml.transform.Result

PI_DISABLE_OUTPUT_ESCAPING, PI_ENABLE_OUTPUT_ESCAPING

Constructor Summary

SequenceFilter(SequenceWriter out, XPathContext context, Expression filter)

Method Summary

void	write(Item item) Abstract method to be supplied by subclasses: output one item in the sequence.

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

adviseReuse, append, attribute, characters, close, comment, endDocument, endElement, namespace, processingInstruction, startContent, startDocument, startElement

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

getConfiguration, getNamePool, getPipelineConfiguration, getSystemId, open, setPipelineConfiguration, setSystemId, setUnparsedEntity

Methods inherited from class java.lang.Object

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

Constructor Detail

SequenceFilter

public SequenceFilter(SequenceWriter out,
                      XPathContext context,
                      Expression filter)

Method Detail

write

public void write(Item item)
           throws XPathException

Description copied from class: SequenceWriter

Abstract method to be supplied by subclasses: output one item in the sequence.

Specified by:

write in class SequenceWriter

Parameters:

item - the item to be written to the sequence

Throws:

XPathException