public abstract class ComposingAdjunct extends StreamingAdjunct
Constructor and Description |
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ComposingAdjunct() |
Modifier and Type | Method and Description |
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WatchMaker |
getWatchMaker(boolean forGrouping)
Get a WatchMaker, a factory class that creates a Watch to evaluate this expression
in streaming mode.
|
abstract Feed |
makeComposingAction(WatchManager watchManager,
Feed out,
XPathContext context)
Method that must be implemented in subclasses to supply the feed to which the
composed items are sent
|
computeStreamability, getConfiguration, getDefaultFeedMaker, getExpression, getFeedMaker, makeStreamingAdjunct, setConfiguration, setExpression, toStreamingPattern
public abstract Feed makeComposingAction(WatchManager watchManager, Feed out, XPathContext context)
watchManager
- the watch managerout
- the destination of composed itemscontext
- XPath evaluation contextpublic WatchMaker getWatchMaker(boolean forGrouping) throws XPathException
StreamingAdjunct
Expression.WATCH_METHOD
getWatchMaker
in class StreamingAdjunct
forGrouping
- true if the selected items are being groupedXPathException
- in the event of a failureCopyright (c) 2004-2018 Saxonica Limited. All rights reserved.