com.saxonica.ee.stream.watch

Interface WatchMaker

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface WatchMaker

A WatchMaker is a factory class for creating a Watch.

Method Summary

Modifier and Type	Method and Description
Trigger	makeWatch(WatchManager watchManager, Feed out, XPathContext context) Make a Trigger: this comprises (a) a pattern to match the nodes that should be processed during a streaming pass of the source document, and (b) the processing of those nodes by a WatchAction or perhaps a sequence of WatchActions in a pipeline.

Method Detail

makeWatch

Trigger makeWatch(WatchManager watchManager,
                  Feed out,
                  XPathContext context)
           throws XPathException

Make a Trigger: this comprises (a) a pattern to match the nodes that should be processed during a streaming pass of the source document, and (b) the processing of those nodes by a WatchAction or perhaps a sequence of WatchActions in a pipeline. If a pipeline is needed, this method is responsible for constructing the entire pipeline

Parameters:

watchManager - the WatchManager

out - the destination for events representing the output of this pipeline

context - the dynamic evaluation context

Returns:

the new Trigger

Throws:

XPathException - if any dynamic error occurs