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

Example 41 with XQuery

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

the class RedirectorServlet method executeQuery.

private Sequence executeQuery(final Source source, final RequestWrapper request, final ResponseWrapper response) throws EXistException, XPathException, PermissionDeniedException, IOException {
    final XQuery xquery = getPool().getXQueryService();
    final XQueryPool pool = getPool().getXQueryPool();
    try (final DBBroker broker = getPool().getBroker()) {
        final XQueryContext context;
        CompiledXQuery compiled = pool.borrowCompiledXQuery(broker, source);
        if (compiled == null) {
            // special header to indicate that the query is not returned from
            // cache
            response.setHeader("X-XQuery-Cached", "false");
            context = new XQueryContext(getPool());
            context.setModuleLoadPath(XmldbURI.EMBEDDED_SERVER_URI.toString());
            compiled = xquery.compile(context, source);
        } else {
            response.setHeader("X-XQuery-Cached", "true");
            context = compiled.getContext();
            context.prepareForReuse();
        }
        try {
            return xquery.execute(broker, compiled, null, new Properties());
        } finally {
            context.runCleanupTasks();
            pool.returnCompiledXQuery(source, compiled);
        }
    }
}

Example 42 with XQuery

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

the class SanityReport method ping.

@Override
public long ping(boolean checkQueryEngine) {
    final long start = System.currentTimeMillis();
    lastPingRespTime = -1;
    lastActionInfo = "Ping";
    taskstatus.setStatus(TaskStatus.Status.PING_WAIT);
    // this will block forever.
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getGuestSubject()))) {
        if (checkQueryEngine) {
            final XQuery xquery = pool.getXQueryService();
            final XQueryPool xqPool = pool.getXQueryPool();
            CompiledXQuery compiled = xqPool.borrowCompiledXQuery(broker, TEST_XQUERY);
            if (compiled == null) {
                final XQueryContext context = new XQueryContext(pool);
                compiled = xquery.compile(context, TEST_XQUERY);
            } else {
                compiled.getContext().prepareForReuse();
            }
            try {
                xquery.execute(broker, compiled, null);
            } finally {
                compiled.getContext().runCleanupTasks();
                xqPool.returnCompiledXQuery(TEST_XQUERY, compiled);
            }
        }
    } catch (final Exception e) {
        lastPingRespTime = -2;
        taskstatus.setStatus(TaskStatus.Status.PING_ERROR);
        taskstatus.setStatusChangeTime();
        taskstatus.setReason(e.getMessage());
        changeStatus(taskstatus);
    } finally {
        lastPingRespTime = System.currentTimeMillis() - start;
        taskstatus.setStatus(TaskStatus.Status.PING_OK);
        taskstatus.setStatusChangeTime();
        taskstatus.setReason("ping response time: " + lastPingRespTime);
        changeStatus(taskstatus);
    }
    return lastPingRespTime;
}

Example 43 with XQuery

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

the class XQueryCompilationTest method executeQuery.

protected static Either<XPathException, Sequence> executeQuery(final String string) throws EXistException, PermissionDeniedException {
    final BrokerPool pool = server.getBrokerPool();
    final XQuery xqueryService = pool.getXQueryService();
    try (final DBBroker broker = pool.getBroker()) {
        try {
            return Right(xqueryService.execute(broker, string, null));
        } catch (final XPathException e) {
            return Left(e);
        }
    }
}

Example 44 with XQuery

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

the class AbstractTestRunner method executeQuery.

protected static Sequence executeQuery(final BrokerPool brokerPool, final Source query, final List<Function<XQueryContext, Tuple2<String, Object>>> externalVariableBindings) throws EXistException, PermissionDeniedException, XPathException, IOException, DatabaseConfigurationException {
    final SecurityManager securityManager = requireNonNull(brokerPool.getSecurityManager(), "securityManager is null");
    try (final DBBroker broker = brokerPool.get(Optional.of(securityManager.getSystemSubject()))) {
        final XQueryPool queryPool = brokerPool.getXQueryPool();
        CompiledXQuery compiledQuery = queryPool.borrowCompiledXQuery(broker, query);
        try {
            XQueryContext context;
            if (compiledQuery == null) {
                context = new XQueryContext(broker.getBrokerPool());
            } else {
                context = compiledQuery.getContext();
                context.prepareForReuse();
            }
            // setup misc. context
            context.setBaseURI(new AnyURIValue("/db"));
            if (query instanceof FileSource) {
                final Path queryPath = Paths.get(((FileSource) query).getPath().toAbsolutePath().toString());
                if (Files.isDirectory(queryPath)) {
                    context.setModuleLoadPath(queryPath.toString());
                } else {
                    context.setModuleLoadPath(queryPath.getParent().toString());
                }
            }
            // declare variables for the query
            for (final Function<XQueryContext, Tuple2<String, Object>> externalVariableBinding : externalVariableBindings) {
                final Tuple2<String, Object> nameValue = externalVariableBinding.apply(context);
                context.declareVariable(nameValue._1, nameValue._2);
            }
            final XQuery xqueryService = brokerPool.getXQueryService();
            // compile or update the context
            if (compiledQuery == null) {
                compiledQuery = xqueryService.compile(context, query);
            } else {
                compiledQuery.getContext().updateContext(context);
                context.getWatchDog().reset();
            }
            return xqueryService.execute(broker, compiledQuery, null);
        } finally {
            queryPool.returnCompiledXQuery(query, compiledQuery);
        }
    }
}

Example 45 with XQuery

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

the class ShutdownTest method storeAndShutdown.

public void storeAndShutdown() throws EXistException, PermissionDeniedException, IOException, SAXException, LockException, XPathException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        Collection test;
        try (final Txn transaction = transact.beginTransaction()) {
            test = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI);
            assertNotNull(test);
            broker.saveCollection(transaction, test);
            // store some documents.
            for (final String sampleName : SAMPLES.getShakespeareXmlSampleNames()) {
                broker.storeDocument(transaction, XmldbURI.create(sampleName), new InputStreamSupplierInputSource(() -> SAMPLES.getShakespeareSample(sampleName)), MimeType.XML_TYPE, test);
            }
            final XQuery xquery = pool.getXQueryService();
            assertNotNull(xquery);
            final Sequence result = xquery.execute(broker, "//SPEECH[contains(LINE, 'love')]", null);
            assertNotNull(result);
            assertEquals(187, result.getItemCount());
            transact.commit(transaction);
        }
        try (final Txn transaction = transact.beginTransaction()) {
            broker.removeCollection(transaction, test);
            transact.commit(transaction);
        }
    }
}