Package net.sf.saxon.expr.sort

Interface GenericAtomicComparer.AtomicComparisonFunction

Enclosing class:

GenericAtomicComparer

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 static interface GenericAtomicComparer.AtomicComparisonFunction

An AtomicComparisonFunction compares two atomic values to return a result of true or false. This means it is committed to a particular comparison operator (such as equals or less than). The supplied atomic values must be non-null.

Method Summary

Modifier and Type	Method	Description
boolean	compare(AtomicValue v0, AtomicValue v1, XPathContext context)	Compare two atomic values

Method Details

compare

boolean compare(AtomicValue v0,
 AtomicValue v1,
 XPathContext context)
         throws XPathException

Compare two atomic values

Parameters:

v0 - the first atomic value: must not be null

v1 - the second atomic value: must not be null

context - the XPath evaluation context, in case the comparison is context-sensitive

Returns:

the result of the comparison

Throws:

XPathException - if the values are not comparable, or if the context does not supply the information needed to compare them (such as implicit timezone or collation)