public class VennExpressionAdjunct extends TransmissionAdjunct
Constructor and Description |
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VennExpressionAdjunct() |
Modifier and Type | Method and Description |
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PostureAndSweep |
computeStreamability(ContextItemStaticInfoEE contextInfo,
java.util.List<java.lang.String> reasons)
Get the "sweep" of this expression as defined in the W3C streamability specifications.
|
Feed |
makeItemFeed(WatchManager watchManager,
Feed out,
XPathContext context) |
Pattern |
toStreamingPattern(Configuration config)
Convert this expression to a streaming pattern (a pattern used internally to match nodes during
push processing of an event stream)
|
getWatchMaker, makeTransmissionFlow
getConfiguration, getDefaultFeedMaker, getExpression, getFeedMaker, makeStreamingAdjunct, setConfiguration, setExpression
public Pattern toStreamingPattern(Configuration config)
toStreamingPattern
in class StreamingAdjunct
config
- the Saxon configurationpublic PostureAndSweep computeStreamability(ContextItemStaticInfoEE contextInfo, java.util.List<java.lang.String> reasons)
computeStreamability
in class StreamingAdjunct
contextInfo
- reasons
- the caller may supply a list, in which case the implementation may add to thispublic Feed makeItemFeed(WatchManager watchManager, Feed out, XPathContext context) throws XPathException
XPathException
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