public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
Sequence querySeq = getArgument(1).eval(contextSequence);
if (querySeq.isEmpty()) {
return Sequence.EMPTY_SEQUENCE;
}
String query = querySeq.itemAt(0).getStringValue();
String[] terms = getSearchTerms(query);
NodeSet hits[] = new NodeSet[terms.length];
NodeSet contextSet = contextSequence.toNodeSet();
for (int k = 0; k < terms.length; k++) {
hits[k] =
context
.getBroker()
.getTextEngine()
.getNodesContaining(
context,
contextSet.getDocumentSet(),
null,
NodeSet.DESCENDANT,
null,
terms[k],
DBBroker.MATCH_EXACT);
hits[k] = getArgument(0).eval(hits[k]).toNodeSet();
}
NodeSet result = hits[0];
for (int k = 1; k < hits.length; k++) {
if (hits[k] != null) result = result.deepIntersection(hits[k]);
}
if (LOG.isDebugEnabled()) LOG.debug("FOUND: " + result.getLength());
return result;
}
@Test
public void selectAncestorDescendant_2()
throws XPathException, SAXException, PermissionDeniedException {
Sequence outerSet =
executeQuery(broker, "//SCENE/TITLE[fn:contains(., 'closet')]/ancestor::SCENE", 1, null);
NodeSet result =
((AbstractNodeSet) outerSet)
.selectAncestorDescendant(outerSet.toNodeSet(), NodeSet.DESCENDANT, true, -1, true);
assertEquals(1, result.getLength());
}
@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 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 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 extArrayNodeSet_selectParentChild_3()
throws XPathException, SAXException, PermissionDeniedException {
Sequence nestedSet = executeQuery(broker, "//section[@n = ('1.1', '1.1.1', '1.2')]", 3, null);
NameTest test = new NameTest(Type.ELEMENT, new QName("para", ""));
NodeSet children =
broker
.getStructuralIndex()
.findElementsByTagName(ElementValue.ELEMENT, docs, test.getName(), null);
NodeSet result = children.selectParentChild(nestedSet.toNodeSet(), NodeSet.DESCENDANT);
assertEquals(4, result.getLength());
}
@Test
public void selectAncestors() throws XPathException, SAXException, PermissionDeniedException {
NameTest test = new NameTest(Type.ELEMENT, new QName("SCENE", ""));
NodeSet scenes =
broker
.getStructuralIndex()
.findElementsByTagName(ElementValue.ELEMENT, docs, test.getName(), null);
Sequence largeSet =
executeQuery(broker, "//SPEECH/LINE[fn:contains(., 'love')]/ancestor::SPEECH", 187, null);
NodeSet result = ((AbstractNodeSet) scenes).selectAncestors(largeSet.toNodeSet(), false, -1);
assertEquals(49, result.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());
}
@Test
public void selectParentChild_2() throws XPathException, SAXException, PermissionDeniedException {
NameTest test = new NameTest(Type.ELEMENT, new QName("SPEAKER", ""));
NodeSet speakers =
broker
.getStructuralIndex()
.findElementsByTagName(ElementValue.ELEMENT, docs, test.getName(), null);
Sequence largeSet =
executeQuery(broker, "//SPEECH/LINE[fn:contains(., 'love')]/ancestor::SPEECH", 187, null);
NodeSet result =
NodeSetHelper.selectParentChild(speakers, largeSet.toNodeSet(), NodeSet.DESCENDANT, -1);
assertEquals(187, result.getLength());
}
@Test
public void selectAncestorDescendant()
throws XPathException, SAXException, PermissionDeniedException {
NameTest test = new NameTest(Type.ELEMENT, new QName("SPEAKER", ""));
NodeSet speakers =
broker
.getStructuralIndex()
.findElementsByTagName(ElementValue.ELEMENT, docs, test.getName(), null);
Sequence outerSet =
executeQuery(broker, "//SCENE/TITLE[fn:contains(., 'closet')]/ancestor::SCENE", 1, null);
NodeSet result =
speakers.selectAncestorDescendant(
outerSet.toNodeSet(), NodeSet.DESCENDANT, false, -1, true);
assertEquals(56, result.getLength());
}
@Test
public void selectParentChild() throws XPathException, SAXException, PermissionDeniedException {
NameTest test = new NameTest(Type.ELEMENT, new QName("SPEAKER", ""));
NodeSet speakers =
broker
.getStructuralIndex()
.findElementsByTagName(ElementValue.ELEMENT, docs, test.getName(), null);
Sequence smallSet =
executeQuery(
broker, "//SPEECH/LINE[fn:contains(., 'perturbed spirit')]/ancestor::SPEECH", 1, null);
NodeSet result =
NodeSetHelper.selectParentChild(speakers, smallSet.toNodeSet(), NodeSet.DESCENDANT, -1);
assertEquals(1, result.getLength());
String value = serialize(broker, result.itemAt(0));
assertEquals(value, "<SPEAKER>HAMLET</SPEAKER>");
}
