Examples of net.sf.saxon.query.StaticQueryContext.compileQuery()

Class net.sf.saxon.query.StaticQueryContext

Examples of net.sf.saxon.query.StaticQueryContext.compileQuery()

net.sf.saxon.query.StaticQueryContext.compileQuery()
Prepare an XQuery query for subsequent evaluation. The source text of the query is supplied as a String. The base URI of the query is taken from the static context, and defaults to the current working directory.
Note that this interface makes the caller responsible for decoding the query and presenting it as a string of characters. This means it is likely that any encoding specified in the query prolog will be ignored.
@param query The XQuery query to be evaluated, supplied as a string. @return an XQueryExpression object representing the prepared expression @throws net.sf.saxon.trans.XPathException if the syntax of the expression is wrong, or if it references namespaces, variables, or functions that have not been declared, or contains other static errors. @since 8.4

     */


    public static void exampleWithParam() throws XPathException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = new StaticQueryContext(config);
        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);

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    public static void examplePipeline() throws XPathException {
        final Configuration config = new Configuration();


        // Compile the first query
        final StaticQueryContext sqc1 = new StaticQueryContext(config);
        final XQueryExpression exp1 = sqc1.compileQuery(
                "declare variable $in as xs:integer external;" +
                "document{ <a>{$in * $in}</a> }"
        );


        // Compile the second query (each query should have its own static context)

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                "document{ <a>{$in * $in}</a> }"
        );


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


        // Run the first query
        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);

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     * checking of the supplied arguments
     */


    public static void exampleDirectFunction() throws XPathException {
        final StaticQueryContext sqc = new StaticQueryContext(new Configuration());
        final XQueryExpression exp1 = sqc.compileQuery("declare namespace f='f.ns';" +
                "declare function f:t1($v1 as xs:integer, $v2 as xdt:untypedAtomic*) { " +
                "   $v1 div $v2" +
                "};" +
                "10");

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        XQueryExpression exp = implementation.getCompiledExpressionsCache().get(xqExpression);
        if (exp == null) {
            config = new Configuration();
            StaticQueryContext sqc = new StaticQueryContext(config);
            exp = sqc.compileQuery(xqExpression);
            implementation.getCompiledExpressionsCache().put(xqExpression, exp);
        } else {
            config = exp.getStaticContext().getConfiguration();
        }

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        Configuration config = new Configuration();
        StaticQueryContext sqc = new StaticQueryContext(config);
        XQueryExpression exp = null;
        try {
            exp = sqc.compileQuery(xqExpression);
        } catch (XPathException e) {
            throw new ContributionResolveException(e);
        }


        if (exp == null) {

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    XQueryExpression exp = implementation.getCompiledExpressionsCache().get(xqExpression);
    if(exp == null) {
      config = new Configuration();
      StaticQueryContext sqc = new StaticQueryContext(config);
      exp = sqc.compileQuery(xqExpression);
      implementation.getCompiledExpressionsCache().put(xqExpression, exp);
    } else {
      config = exp.getStaticContext().getConfiguration();
    }

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    Configuration config = new Configuration();
        StaticQueryContext sqc = new StaticQueryContext(config);
        XQueryExpression exp = null;
    try {
      exp = sqc.compileQuery(xqExpression);
    } catch (XPathException e) {
      throw new ContributionResolveException(e);
    }
    
    if(exp == null) {

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        // Create a dummy main query module and compile it
        StaticQueryContext sqc = new StaticQueryContext(getConfiguration());
        sqc.setExecutable(getExecutable());
        sqc.setBaseURI(getBaseURI());
        String mainModule = "import module namespace m = \"" + moduleURI + "\" at \"" + href + "\"; ()";
        XQueryExpression exp = sqc.compileQuery(mainModule);
        return exp.getStaticContext();
    }




    public Expression compile(Executable exec) throws XPathException {

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    public XQPreparedExpression prepareExpression(InputStream xquery, XQStaticContext properties) throws XQException {
        checkNotClosed();
        try {
            StaticQueryContext sqc = ((SaxonXQStaticContext)properties).getSaxonStaticQueryContext();
            XQueryExpression exp = sqc.compileQuery(xquery, null);
            DynamicQueryContext dqc = new DynamicQueryContext(config);
            return new SaxonXQPreparedExpression(this, exp, dqc);
        } catch (XPathException e) {
            throw newXQException(e);
        } catch (IOException e) {

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