Examples of XQueryService

org.exist.xmldb.XQueryService
Execute XQuery expressions on the database. This interface is similar to {@link org.xmldb.api.modules.XPathQueryService}, but provides additional methods to compile an XQuery into an internal representation, which can be executed repeatedly. Since XQuery scripts can be very large, compiling an expression in advance can save a lot of time. @author Wolfgang Meier (wolfgang@exist-db.org)
org.xmldb.api.modules.XQueryService

Examples of org.xmldb.api.modules.XQueryService

  }
  
  public void testExternalVar() {
    try {
      String query = XmlRpcTest.QUERY_MODULE_DATA;
      XQueryService service = (XQueryService) testCollection.getService("XQueryService", "1.0");
      service.setProperty("highlight-matches", "none");


      service.setNamespace("tm", "http://exist-db.org/test/module");
      service.setNamespace("tm-query", "http://exist-db.org/test/module/query");
            
      service.declareVariable("tm:imported-external-string", "imported-string-value");
      service.declareVariable("tm-query:local-external-string", "local-string-value");
      
      CompiledExpression compiled = service.compile(query);
      ResourceSet result = service.execute(compiled);
      
      assertEquals(result.getSize(), 2);
      
      for (int i = 0; i < result.getSize(); i++) {
        XMLResource r = (XMLResource) result.getResource(i);

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Examples of org.xmldb.api.modules.XQueryService


    @Test
    public void getContentAsDOM() throws XMLDBException, TransformerConfigurationException, TransformerException {


        Collection testCollection = DatabaseManager.getCollection(ROOT_URI + "/" + TEST_COLLECTION);
        XQueryService service = (XQueryService) testCollection.getService("XQueryService", "1.0");
        ResourceSet result = service.query(XQUERY);
        for(long i = 0; i < result.getSize(); i++) {
            XMLResource r = (XMLResource) result.getResource(i);


            System.out.println("Output of getContent():");
            System.out.println(r.getContent());

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Examples of org.xmldb.api.modules.XQueryService

  private Database database;
  private Collection testCollection;
  
  public void testQueryResults() {
    try {
      XQueryService service = (XQueryService) testCollection.getService("XQueryService", "1.0");
      ResourceSet result = service.query("declare namespace foo=\"http://foo.com\"; //foo:entry");
      Resource resource = result.getMembersAsResource();
      String str = resource.getContent().toString();
      System.out.println(str);
      assertXMLEqual(XML_EXPECTED1, str);
      
      //TODO : THIS IS BUGGY !
      result = service.query("declare namespace config='urn:config'; " +
          "declare namespace c='urn:content'; "  +
          "declare variable $config {<config xmlns='urn:config'>123</config>}; " +
          "declare variable $serverConfig {<serverconfig xmlns='urn:config'>123</serverconfig>}; " +
          "<c:Site xmlns='urn:content' xmlns:c='urn:content'> " +
          "{($config,$serverConfig)} " +

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Examples of org.xmldb.api.modules.XQueryService

        if (args[0].startsWith("pass:")) {
            passwd = args[0].substring(5);
            offset = 1;
        }
        System.setProperty(AutoDeploymentTrigger.AUTODEPLOY_PROPERTY, "off");
        final XQueryService query = initDb(passwd);
//        if (query != null) {
//            try {
//                installApps(query, args, offset);
//            } catch (EXistException e) {
//                System.err.println("An error occurred while installing apps: " + e.getMessage());

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Examples of org.xmldb.api.modules.XQueryService

                admin.setPassword(adminPass);
                System.out.println("Setting admin user password...");
                service.updateAccount(admin);
                root = DatabaseManager.getCollection(URI, "admin", adminPass);
            }
            final XQueryService query = (XQueryService) root.getService("XQueryService", "1.0");
            return query;
        } catch (final Exception e) {
            System.err.println("Caught an exception while initializing db: " + e.getMessage());
            e.printStackTrace();
        }

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Examples of org.xmldb.api.modules.XQueryService

        testCollection = null;
    }


    @Test
    public void pathExpression() throws XMLDBException {
        final XQueryService service =
                storeXMLStringAndGetQueryService("numbers.xml", numbers);


        //Invalid path expression left operand (not a node set).
        String message = "";
        try {

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Examples of org.xmldb.api.modules.XQueryService

    /** test simple queries involving attributes */
    @Test
    public void attributes() throws XMLDBException {
        final String testDocument = "numbers.xml";


        final XQueryService service = storeXMLStringAndGetQueryService(
                testDocument, numbers);


        String query = "/test/item[ @id='1' ]";
        ResourceSet result = service.queryResource(testDocument, query);
        System.out.println("testAttributes 1: ========");
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize());


        XMLResource resource = (XMLResource)result.getResource(0);
        Node node = resource.getContentAsDOM();
        if (node.getNodeType() == Node.DOCUMENT_NODE)
            node = node.getFirstChild();
        assertEquals("XPath: " + query, "item", node.getNodeName());


        query = "/test/item [ @type='alphanum' ]";
        result = service.queryResource(testDocument, query);
        System.out.println("testAttributes 2: ========");
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize());
    }

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Examples of org.xmldb.api.modules.XQueryService

        assertEquals("XPath: " + query, 1, result.getSize());
    }


    @Test
    public void starAxis() throws XMLDBException {
        final XQueryService service =
                storeXMLStringAndGetQueryService("numbers.xml", numbers);


        ResourceSet result = service.queryResource("numbers.xml", "/*/item");
        System.out.println("testStarAxis 1: ========");
        printResult(result);
        assertEquals("XPath: /*/item", 4, result.getSize());


        result = service.queryResource("numbers.xml", "/test/*");
        System.out.println("testStarAxis  2: ========");
        printResult(result);
        assertEquals("XPath: /test/*", 4, result.getSize());


        result = service.queryResource("numbers.xml", "/test/descendant-or-self::*");
        System.out.println("testStarAxis  3: ========");
        printResult(result);
        assertEquals("XPath: /test/descendant-or-self::*", 13, result.getSize());


        result = service.queryResource("numbers.xml", "/*/*");
        System.out.println("testStarAxis 4: ========" );
        printResult(result);
        //Strange !!! Should be 8
        assertEquals("XPath: /*/*", 4, result.getSize());
    }

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Examples of org.xmldb.api.modules.XQueryService

        assertEquals("XPath: /*/*", 4, result.getSize());
    }


    @Test
    public void starAxisConstraints() throws XMLDBException {
        final XQueryService service =
                storeXMLStringAndGetQueryService("namespaces.xml", namespaces);
        service.setNamespace("t", "http://www.foo.com");
        System.out.println("testStarAxisConstraints : ========");


        String query = "// t:title/text() [ . != 'aaaa' ]";
        ResourceSet result = service.queryResource( "namespaces.xml", query);
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize() );
        System.out.println("testStarAxisConstraints : ========");


        query = "/t:test/*:section[contains(., 'comment')]";
        result = service.queryResource("namespaces.xml", query);
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize());
        System.out.println("testStarAxisConstraints : ========");


        query = "/t:test/t:*[contains(., 'comment')]";
        result = service.queryResource("namespaces.xml", query);
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize());
        System.out.println("testStarAxisConstraints : ========");


        query = "/t:test/t:section[contains(., 'comment')]";
        result = service.queryResource("namespaces.xml", query);
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize());
        System.out.println("testStarAxisConstraints : ========");


        query = "/t:test/t:section/*[contains(., 'comment')]";
        result = service.queryResource("namespaces.xml", query);
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize());
        System.out.println("testStarAxisConstraints : ========");


        query = "/ * / * [ t:title ]";
        result = service.queryResource( "namespaces.xml", query);
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize() );
        System.out.println("testStarAxisConstraints : ========");


        query = "/ t:test / t:section [ t:title ]";
        result = service.queryResource( "namespaces.xml", query);
        printResult(result);
        System.out.println("g) 1 / " +  result.getSize());
        assertEquals("XPath: " + query, 1, result.getSize() );
        System.out.println("testStarAxisConstraints : ========");


        query = "/ t:test / t:section";
        result = service.queryResource( "namespaces.xml", query);
        printResult(result);
        System.out.println("h) 1 / " +  result.getSize());
        assertEquals("XPath: " + query, 1, result.getSize() );
        System.out.println("testStarAxisConstraints : ========");
    }

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Examples of org.xmldb.api.modules.XQueryService

        System.out.println("testStarAxisConstraints : ========");
    }


    @Test
    public void starAxisConstraints2() throws XMLDBException {
        final XQueryService service =
                storeXMLStringAndGetQueryService("namespaces.xml", namespaces);
        service.setNamespace("t", "http://www.foo.com");


        String query =  "/ * [ ./ * / t:title ]";
        ResourceSet result = service.queryResource( "namespaces.xml", query);
        System.out.println("testStarAxisConstraints2 : ========");
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize());


        query =  "/ * [ * / t:title ]";
        result = service.queryResource( "namespaces.xml", query);
        System.out.println("testStarAxisConstraints2 : ========");
        printResult(result);
        assertEquals("XPath: " + query, 1, result.getSize());
    }

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