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

Example 16 with XQuery

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

the class AbstractFieldConfig method doBuild.

protected void doBuild(DBBroker broker, DocumentImpl document, NodeId nodeId, Document luceneDoc, CharSequence text) throws PermissionDeniedException, XPathException {
    if (!expression.isPresent()) {
        processText(text, luceneDoc);
        return;
    }
    compile(broker);
    if (!isValid) {
        return;
    }
    final XQuery xquery = broker.getBrokerPool().getXQueryService();
    final NodeProxy currentNode = new NodeProxy(document, nodeId);
    try {
        Sequence result = xquery.execute(broker, compiled, currentNode);
        if (!result.isEmpty()) {
            processResult(result, luceneDoc);
        }
    } catch (PermissionDeniedException | XPathException e) {
        isValid = false;
        throw e;
    } finally {
        compiled.reset();
        compiled.getContext().reset();
    }
}

Example 17 with XQuery

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

the class AbstractFieldConfig method compile.

protected CompiledXQuery compile(DBBroker broker, String code) {
    final XQuery xquery = broker.getBrokerPool().getXQueryService();
    final XQueryContext context = new XQueryContext(broker.getBrokerPool());
    try {
        return xquery.compile(context, code);
    } catch (XPathException | PermissionDeniedException e) {
        LOG.error("Failed to compile expression: {}: {}", code, e.getMessage(), e);
        isValid = false;
        return null;
    }
}

Example 18 with XQuery

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

the class Util method withCompiledQuery.

static <T> T withCompiledQuery(final DBBroker broker, final Source source, final Function2E<CompiledXQuery, T, XPathException, PermissionDeniedException> op) throws XPathException, PermissionDeniedException, IOException {
    final BrokerPool pool = broker.getBrokerPool();
    final XQuery xqueryService = pool.getXQueryService();
    final XQueryPool xqueryPool = pool.getXQueryPool();
    final CompiledXQuery compiledQuery = compileQuery(broker, xqueryService, xqueryPool, source);
    try {
        return op.apply(compiledQuery);
    } finally {
        if (compiledQuery != null) {
            xqueryPool.returnCompiledXQuery(source, compiledQuery);
        }
    }
}

Example 19 with XQuery

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

the class LocalXPathQueryService method execute.

private ResourceSet execute(final LocalXmldbFunction<Source> sourceOp) throws XMLDBException {
    return withDb((broker, transaction) -> {
        final long start = System.currentTimeMillis();
        final Source source = sourceOp.apply(broker, transaction);
        final XmldbURI[] docs = new XmldbURI[] { XmldbURI.create(collection.getName(broker, transaction)) };
        final XQuery xquery = brokerPool.getXQueryService();
        final XQueryPool pool = brokerPool.getXQueryPool();
        XQueryContext context;
        CompiledXQuery compiled = pool.borrowCompiledXQuery(broker, source);
        if (compiled == null) {
            context = new XQueryContext(broker.getBrokerPool());
        } else {
            context = compiled.getContext();
            context.prepareForReuse();
        }
        context.setStaticallyKnownDocuments(docs);
        if (variableDecls.containsKey(Debuggee.PREFIX + ":session")) {
            context.declareVariable(Debuggee.SESSION, variableDecls.get(Debuggee.PREFIX + ":session"));
            variableDecls.remove(Debuggee.PREFIX + ":session");
        }
        setupContext(source, context);
        if (compiled == null) {
            compiled = xquery.compile(context, source);
        }
        try {
            final Sequence result = xquery.execute(broker, compiled, null, properties);
            if (LOG.isDebugEnabled()) {
                LOG.debug("query took {} ms.", System.currentTimeMillis() - start);
            }
            final Properties resourceSetProperties = new Properties(properties);
            resourceSetProperties.setProperty(EXistOutputKeys.XDM_SERIALIZATION, "yes");
            return result != null ? new LocalResourceSet(user, brokerPool, collection, resourceSetProperties, result, null) : null;
        } finally {
            compiled.getContext().runCleanupTasks();
            pool.returnCompiledXQuery(source, compiled);
        }
    });
}

Example 20 with XQuery

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

the class LocalXPathQueryService method compileAndCheck.

private Either<XPathException, CompiledExpression> compileAndCheck(final DBBroker broker, final Txn transaction, final String query) throws XMLDBException {
    final long start = System.currentTimeMillis();
    final XQuery xquery = broker.getBrokerPool().getXQueryService();
    final XQueryContext context = new XQueryContext(broker.getBrokerPool());
    try {
        setupContext(null, context);
        final CompiledExpression expr = xquery.compile(context, query);
        if (LOG.isDebugEnabled()) {
            LOG.debug("compilation took {}", System.currentTimeMillis() - start);
        }
        return Either.Right(expr);
    } catch (final PermissionDeniedException e) {
        throw new XMLDBException(ErrorCodes.PERMISSION_DENIED, e.getMessage(), e);
    } catch (final IllegalArgumentException e) {
        throw new XMLDBException(ErrorCodes.VENDOR_ERROR, e.getMessage(), e);
    } catch (final XPathException e) {
        return Either.Left(e);
    }
}