@Test
public void childSelector() throws XPathException {
NodeSelector selector = new ChildSelector(seqSpeech.toNodeSet(), -1);
NameTest test = new NameTest(Type.ELEMENT, new QName("LINE", ""));
NodeSet set =
broker
.getStructuralIndex()
.findElementsByTagName(
ElementValue.ELEMENT, seqSpeech.getDocumentSet(), test.getName(), selector);
assertEquals(9492, set.getLength());
}
@Test
public void descendantOrSelfSelector() throws XPathException {
NodeSelector selector = new DescendantOrSelfSelector(seqSpeech.toNodeSet(), -1);
NameTest test = new NameTest(Type.ELEMENT, new QName("SPEECH", ""));
NodeSet set =
broker
.getStructuralIndex()
.findElementsByTagName(
ElementValue.ELEMENT, seqSpeech.getDocumentSet(), test.getName(), selector);
assertEquals(2628, set.getLength());
}
@Test
public void ancestorSelector() throws XPathException {
NodeSelector selector = new AncestorSelector(seqSpeech.toNodeSet(), -1, false, true);
NameTest test = new NameTest(Type.ELEMENT, new QName("ACT", ""));
NodeSet set =
broker
.getStructuralIndex()
.findElementsByTagName(
ElementValue.ELEMENT, seqSpeech.getDocumentSet(), test.getName(), selector);
assertEquals(15, set.getLength());
}
@Test
public void descendantSelector() throws XPathException, SAXException, PermissionDeniedException {
Sequence seq = executeQuery(broker, "//SCENE", 72, null);
NameTest test = new NameTest(Type.ELEMENT, new QName("SPEAKER", ""));
NodeSelector selector = new DescendantSelector(seq.toNodeSet(), -1);
NodeSet set =
broker
.getStructuralIndex()
.findElementsByTagName(
ElementValue.ELEMENT, seq.getDocumentSet(), test.getName(), selector);
assertEquals(2639, set.getLength());
}
ItemList executeQuery(String query, WrapperFactory wrapperFactory, Object[] params) {
long t1 = System.currentTimeMillis(), t2 = 0, t3 = 0, t4 = 0;
if (presub) query = presub(query, params);
DBBroker broker = null;
try {
broker = db.acquireBroker();
prepareContext(broker);
if (overrideDocs != null) docs = overrideDocs;
final org.exist.source.Source source = buildQuerySource(query, params, "execute");
final XQuery xquery = broker.getXQueryService();
final XQueryPool pool = xquery.getXQueryPool();
CompiledXQuery compiledQuery = pool.borrowCompiledXQuery(broker, source);
MutableDocumentSet docsToLock = new DefaultDocumentSet();
if (docs != null) docsToLock.addAll(docs);
if (base != null) docsToLock.addAll(base.getDocumentSet());
try {
XQueryContext context;
if (compiledQuery == null) {
context = xquery.newContext(AccessContext.INTERNAL_PREFIX_LOOKUP);
buildXQueryStaticContext(context, true);
} else {
context = compiledQuery.getContext();
// static context already set
}
buildXQueryDynamicContext(context, params, docsToLock, true);
t2 = System.currentTimeMillis();
if (compiledQuery == null) {
compiledQuery = xquery.compile(context, source);
t3 = System.currentTimeMillis();
}
docsToLock.lock(broker, false, false);
try {
return new ItemList(
xquery.execute(wrap(compiledQuery, wrapperFactory, context), base),
namespaceBindings.extend(),
db);
} finally {
docsToLock.unlock(false);
t4 = System.currentTimeMillis();
}
} finally {
if (compiledQuery != null) pool.returnCompiledXQuery(source, compiledQuery);
}
} catch (XPathException e) {
LOG.debug(
"query execution failed -- "
+ query
+ " -- "
+ (params == null ? "" : " with params " + Arrays.asList(params))
+ (bindings.isEmpty() ? "" : " and bindings " + bindings));
throw new DatabaseException("failed to execute query", e);
} catch (IOException e) {
throw new DatabaseException("unexpected exception", e);
} catch (LockException e) {
throw new DatabaseException("deadlock", e);
} catch (PermissionDeniedException e) {
throw new DatabaseException("permission denied", e);
} finally {
db.releaseBroker(broker);
STATS.update(query, t1, t2, t3, t4, System.currentTimeMillis());
}
}