Package com.saxonica.ee.stream.adjunct

Class GroupStartingTester

java.lang.Object

com.saxonica.ee.stream.adjunct.GroupBoundaryTester

com.saxonica.ee.stream.adjunct.GroupStartingTester

public class GroupStartingTester
extends GroupBoundaryTester

This class implements GroupingFeed when the group-starting-with option is used. It contains the logic to decide whether an item starts a new group

Constructor Summary

Constructors

Constructor	Description
GroupStartingTester(ForEachGroup expression, XPathContext context)

Method Summary

Modifier and Type	Method	Description
boolean	notifyItem()	Signal an item that matches the selection has been found.

Methods inherited from class com.saxonica.ee.stream.adjunct.GroupBoundaryTester

getControllingExpression, getLocalContext, setControllingExpression

Methods inherited from class java.lang.Object

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

Constructor Details

GroupStartingTester

public GroupStartingTester(ForEachGroup expression,
 XPathContext context)

Method Details

notifyItem

public boolean notifyItem()
                   throws XPathException

Signal an item that matches the selection has been found.

Specified by:

notifyItem in class GroupBoundaryTester

Returns:

true if this item is the start of a new group

Throws:

XPathException - May be raised if a dynamic error occurs