Examples with XQuery org.exist.xquery.XQuery used on opensource projects

Example 46 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class LowLevelTextTest method setUp.

@Before
public void setUp() throws DatabaseConfigurationException, EXistException, XPathException, PermissionDeniedException, IOException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
    xqueryPool = pool.getXQueryPool();
    stringSource = new StringSource(TEST_XQUERY_SOURCE);
    final XQuery xquery = pool.getXQueryService();
    final XQueryContext context = new XQueryContext(broker.getBrokerPool());
    preCompiledXQuery = xquery.compile(context, stringSource);
}

Example 47 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class DebuggeeJointImpl method evalution.

@Override
public String evalution(String script) throws Exception {
    Database db = compiledXQuery.getContext().getDatabase();
    // TODO: account required
    try (final DBBroker broker = db.getBroker()) {
        XQueryContext context = compiledXQuery.getContext().copyContext();
        context.setDebuggeeJoint(null);
        context.undeclareGlobalVariable(Debuggee.SESSION);
        context.undeclareGlobalVariable(Debuggee.IDEKEY);
        XQuery service = broker.getBrokerPool().getXQueryService();
        CompiledXQuery compiled = service.compile(broker, context, script);
        Sequence resultSequence = service.execute(broker, compiled, null);
        SAXSerializer sax = null;
        Serializer serializer = broker.getSerializer();
        serializer.reset();
        try {
            sax = (SAXSerializer) SerializerPool.getInstance().borrowObject(SAXSerializer.class);
            Properties outputProps = new Properties();
            StringWriter writer = new StringWriter();
            sax.setOutput(writer, outputProps);
            serializer.setSAXHandlers(sax, sax);
            for (SequenceIterator i = resultSequence.iterate(); i.hasNext(); ) {
                Item next = i.nextItem();
                if (Type.subTypeOf(next.getType(), Type.NODE))
                    serializer.toSAX((NodeValue) next);
                else
                    writer.write(next.getStringValue());
            }
            return writer.toString();
        } finally {
            if (sax != null) {
                SerializerPool.getInstance().returnObject(sax);
            }
        }
    }
}

Example 48 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class ScriptRunner method run.

/* (non-Javadoc)
	 * @see java.lang.Runnable#run()
	 */
@Override
public void run() {
    try {
        final Database db = BrokerPool.getInstance();
        db.addStatusObserver(this);
        try (final DBBroker broker = db.getBroker()) {
            XQuery xquery = broker.getBrokerPool().getXQueryService();
            xquery.execute(broker, expression, null);
        // XQueryContext context = expression.getContext();
        // 
        // expression.reset();
        // 
        // context.setBroker(broker);
        // context.getWatchDog().reset();
        // 
        // //do any preparation before execution
        // context.prepare();
        // 
        // context.getProfiler().traceQueryStart();
        // broker.getBrokerPool().getProcessMonitor().queryStarted(context.getWatchDog());
        // try {
        // Sequence result = expression.eval(null);
        // 
        // if(outputProperties != null)
        // context.checkOptions(outputProperties); //must be done before context.reset!
        // 
        // //return result;
        // } finally {
        // context.getProfiler().traceQueryEnd(context);
        // expression.reset();
        // context.reset();
        // broker.getBrokerPool().getProcessMonitor().queryCompleted(context.getWatchDog());
        // }
        }
    } catch (Exception e) {
        e.printStackTrace();
        exception = e;
    }
}

Example 49 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class EmbeddedBinariesTest method executeXQuery.

@Override
protected QueryResultAccessor<Sequence, IOException> executeXQuery(final String query) throws Exception {
    final Source source = new StringSource(query);
    final BrokerPool brokerPool = existEmbeddedServer.getBrokerPool();
    final XQueryPool pool = brokerPool.getXQueryPool();
    final XQuery xquery = brokerPool.getXQueryService();
    try (final DBBroker broker = brokerPool.get(Optional.of(brokerPool.getSecurityManager().getSystemSubject()))) {
        final CompiledXQuery existingCompiled = pool.borrowCompiledXQuery(broker, source);
        final XQueryContext context;
        final CompiledXQuery compiled;
        if (existingCompiled == null) {
            context = new XQueryContext(brokerPool);
            compiled = xquery.compile(context, source);
        } else {
            context = existingCompiled.getContext();
            context.prepareForReuse();
            compiled = existingCompiled;
        }
        final Sequence results = xquery.execute(broker, compiled, null);
        return consumer2E -> {
            try {
                // context.runCleanupTasks();  //TODO(AR) shows the ordering issue with binary values (see comment below)
                consumer2E.accept(results);
            } finally {
                // TODO(AR) performing #runCleanupTasks causes the stream to be closed, so if we do so before we are finished with the results, serialization fails.
                context.runCleanupTasks();
                pool.returnCompiledXQuery(source, compiled);
            }
        };
    }
}

Example 50 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class GMLIndexTest method highLevelSearch.

@Test
public void highLevelSearch() throws EXistException, PermissionDeniedException, XPathException {
    final BrokerPool pool = server.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        String query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:equals(//gml:*, //gml:Point[gml:coordinates[. = '278697.450,187740.900']])";
        Sequence seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        assertTrue(seq.getItemCount() > 0);
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:disjoint(//gml:*, //gml:Point[gml:coordinates[. = '278697.450,187740.900']])";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        assertTrue(seq.getItemCount() > 0);
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:intersects(//gml:*, //gml:Point[gml:coordinates[. = '278697.450,187740.900']])";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        assertTrue(seq.getItemCount() > 0);
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:touches(//gml:*, //gml:Point[gml:coordinates[. = '278697.450,187740.900']])";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        // assertTrue(seq.getItemCount() > 0);
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:crosses(//gml:*, //gml:Point[gml:coordinates[. = '278697.450,187740.900']])";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        // assertTrue(seq.getItemCount() > 0);
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:within(//gml:*, //gml:Point[gml:coordinates[. = '278697.450,187740.900']])";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        assertTrue(seq.getItemCount() > 0);
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:contains(//gml:*, //gml:Point[gml:coordinates[. = '278697.450,187740.900']])";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        assertTrue(seq.getItemCount() > 0);
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:overlaps(//gml:*, //gml:Point[gml:coordinates[. = '278697.450,187740.900']])";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        // assertTrue(seq.getItemCount() > 0);
        // Tests with empty sequences
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:equals(//gml:*, ())";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        assertTrue(seq.getItemCount() > 0);
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:overlaps((), //gml:Point[gml:coordinates[. = '278697.450,187740.900']])";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        assertEquals(0, seq.getItemCount());
        // In-memory test
        query = "import module namespace spatial='http://exist-db.org/xquery/spatial' " + "at 'java:org.exist.xquery.modules.spatial.SpatialModule'; " + "declare namespace gml = 'http://www.opengis.net/gml'; " + "spatial:equals(//gml:*, " + IN_MEMORY_GML + ")";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        assertTrue(seq.getItemCount() > 0);
    }
}