public class SnapshotFnStreamer extends ComposingAdjunct implements FeedMaker
Constructor and Description |
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SnapshotFnStreamer() |
Modifier and Type | Method and Description |
---|---|
WatchMaker |
getWatchMaker(boolean forGrouping)
Get a WatchMaker, a factory class that creates a Watch to evaluate this expression
in streaming mode.
|
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
|
Feed |
makeItemFeed(WatchManager watchManager,
Feed out,
XPathContext context) |
computeStreamability, getConfiguration, getDefaultFeedMaker, getExpression, getFeedMaker, makeStreamingAdjunct, setConfiguration, setExpression, toStreamingPattern
public Feed makeComposingAction(WatchManager watchManager, Feed out, XPathContext context)
ComposingAdjunct
makeComposingAction
in class ComposingAdjunct
watchManager
- the watch managerout
- the destination of composed itemscontext
- XPath evaluation contextpublic WatchMaker getWatchMaker(boolean forGrouping)
StreamingAdjunct
Expression.WATCH_METHOD
getWatchMaker
in class ComposingAdjunct
forGrouping
- true if the selected items are being groupedpublic Feed makeItemFeed(WatchManager watchManager, Feed out, XPathContext context) throws XPathException
makeItemFeed
in interface FeedMaker
XPathException
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