| <html><head><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>How to use XPath 2.0 operators with PsychoPath</title><link href="book.css" rel="stylesheet" type="text/css"><link href="../book.css" rel="stylesheet" type="text/css"><meta content="DocBook XSL Stylesheets V1.74.0" name="generator"><link rel="home" href="index.html" title="XPath 2.0 Processor User Manual"><link rel="up" href="index.html" title="XPath 2.0 Processor User Manual"><link rel="prev" href="ch03s11s04.html" title="Context Functions"><link rel="next" href="ch04s02.html" title="Comparison of Numeric Values"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="How_to_use_XPath_2.0_operators_with_PsychoPath"></a>How to use XPath 2.0 operators with PsychoPath</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><ul><li><span class="section"><a href="ch04.html#Operators_on_Numeric_Values">Operators on Numeric Values</a></span></li><li><span class="section"><a href="ch04s02.html">Comparison of Numeric Values</a></span></li><li><span class="section"><a href="ch04s03.html">Operators on Boolean Values</a></span></li><li><span class="section"><a href="ch04s04.html">Comparisons of Duration, Date and Time Values</a></span></li><li><span class="section"><a href="ch04s05.html">Arithmetic Functions on Durations</a></span></li><li><span class="section"><a href="ch04s06.html">Arithmetic Functions Dates and Times</a></span></li><li><span class="section"><a href="ch04s07.html">Operators Related to QNames And Nodes</a></span></li><li><span class="section"><a href="ch04s08.html">Union, Intersection and Except</a></span></li><li><span class="section"><a href="ch04s09.html">Operators that Generate Sequences</a></span></li></ul></div><p>The aim of this section is to give the user an overview of the | |
| available XPath 2.0 operators that are implemented in PsychoPath. For the | |
| formal specifications, see the W3C web-site for XPath 2.0 functions and | |
| operators <a class="ulink" href="http://www.w3.org/TR/xpath-functions/" target="_top">http://www.w3.org/TR/xpath-functions/</a>.</p><p></p><div class="section" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="Operators_on_Numeric_Values"></a>Operators on Numeric Values</h2></div></div></div><p><pre class="programlisting">xs:integer(4) + xs:integer(3)</pre></p><p>from within a Java application, in order to extract the result | |
| from the result sequence, one would have to use this code:</p><p><pre class="programlisting">Integer n = ((XSInteger)rs.first()).integervalue(); | |
| println(n);</pre></p><p>in order to get the result of ‘7’</p></div></div></body></html> |