Package net.sf.saxon.query

Examples of net.sf.saxon.query.DynamicQueryContext

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        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery("<doc><chap><a>3</a></chap></doc>//a, <b>4</b>, 19");
        Properties props = new Properties();
        props.setProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");

        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final SequenceIterator iter = exp.iterator(dynamicContext);
        QueryResult.serializeSequence(iter, config, System.out, props);
    }
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        final XQueryExpression exp = sqc.compileQuery("<doc><chap><a>3</a></chap></doc>//a, <b>4</b>, attribute c {5}, 19");
        Properties props = new Properties();
        props.setProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
        props.setProperty(OutputKeys.INDENT, "yes");

        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final SequenceIterator iter = exp.iterator(dynamicContext);
        final DocumentInfo doc = QueryResult.wrap(iter, config);
        QueryResult.serialize(doc, new StreamResult(System.out), props);
    }
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    public static void exampleToHTMLFile() throws XPathException, IOException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery(new FileReader("query/books-to-html.xq"));
        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        dynamicContext.setContextItem(config.buildDocument(new StreamSource("data/books.xml")));
        final Properties props = new Properties();
        props.setProperty(OutputKeys.METHOD, "html");
        props.setProperty(OutputKeys.DOCTYPE_PUBLIC, "-//W3C//DTD HTML 4.01 Transitional//EN");
        exp.run(dynamicContext, new StreamResult(new File("booklist.html")), props);
    }
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        final Configuration config = new Configuration();
        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery("declare variable $in as xs:integer external;" +
                "$in * $in");

        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        dynamicContext.setParameter("in", new Long(17));
        final Long result = (Long)exp.evaluateSingle(dynamicContext);
        System.out.println("17 * 17 = " + result);

    }
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        // Compile the second query (each query should have its own static context)
        final StaticQueryContext sqc2 = config.newStaticQueryContext();
        final XQueryExpression exp2 = sqc2.compileQuery("/a + 5");

        // Run the first query
        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        dynamicContext.setParameter("in", new Long(3));
        final NodeInfo doc = (NodeInfo)exp1.evaluateSingle(dynamicContext);

        // Run the second query
        dynamicContext.clearParameters();
        dynamicContext.setContextItem(doc);
        final Object result = exp2.evaluateSingle(dynamicContext);
        System.out.println("3*3 + 5 = " + result);
        // The result is actually a java.lang.Double
    }
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     */

    protected XQueryEvaluator(Processor processor, XQueryExpression expression) {
        this.processor = processor;
        this.expression = expression;
        this.context = new DynamicQueryContext(expression.getExecutable().getConfiguration());
    }
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    public static void exampleToStreamResult() throws XPathException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = new StaticQueryContext(config);
        final XQueryExpression exp = sqc.compileQuery("<a b='c'>{5+2}</a>");

        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final Properties props = new Properties();
        props.setProperty(OutputKeys.METHOD, "xml");
        props.setProperty(OutputKeys.INDENT, "yes");
        exp.run(dynamicContext, new StreamResult(System.out), props);
    }
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    public static void exampleToSingleton() throws XPathException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = new StaticQueryContext(config);
        final XQueryExpression exp = sqc.compileQuery("avg(for $i in 1 to 10 return $i*$i)");

        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final BigDecimal result = (BigDecimal)exp.evaluateSingle(dynamicContext);
        System.out.println(result);

    }
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    public static void exampleToSequence() throws XPathException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = new StaticQueryContext(config);
        final XQueryExpression exp = sqc.compileQuery("for $i in 1 to 10 return ($i * $i)");

        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final SequenceIterator iter = exp.iterator(dynamicContext);
        while (true) {
            Item item = iter.next();
            if (item == null) {
                break;
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        final XQueryExpression exp = sqc.compileQuery(
                "<doc><chap><a>3</a></chap></doc>//a, <b>4</b>, attribute c {5}, 19");
        Properties props = new Properties();
        props.setProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");

        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final SequenceIterator iter = exp.iterator(dynamicContext);
        QueryResult.serializeSequence(iter, config, System.out, props);
    }
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Related Classes of net.sf.saxon.query.DynamicQueryContext

  • au.edu.qut.yawl.elements.YTask
  • au.edu.qut.yawl.miscellaneousPrograms.XPathSaxonUser
  • benchmark.xmark.XMarkTest
  • net.sf.saxon.functions.Extensions
  • net.sf.saxon.s9api.XQueryEvaluator
  • net.sf.saxon.xqj.SaxonXQConnection
  • net.sf.saxon.xqj.SaxonXQExpression
  • nux.xom.xquery.XQuery
  • org.apache.camel.builder.saxon.XQueryBuilder
  • org.apache.camel.component.xquery.XQueryBuilder
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