public void extend(TemplateDocument doc, FragmentList f, boolean normalize)
throws BehaviorInstantiationException {
ParentNode extended;
if (extendedTag == null) {
extended = extendedDocument;
} else {
extended = extendedTag;
}
ArrayList<TemplateNode> children = doc.getChildren();
for (TemplateNode node : children) {
if (node instanceof Tag) {
Tag tag = (Tag) node;
Tag overriden = null;
Attribute overrides =
tag.getDynamicAttribute(
new DynamicAttributeKey(Cambridge.DefaultNamespaceURI, "a", "overrides"));
if (overrides != null) {
overriden = extendedDocument.locateTag(overrides.getValue());
} else {
Attribute id = tag.getAttribute("id");
if (id == null && tag.isDynamic()) {
id = tag.getAttribute(tag.getNameSpace(), "id");
}
if (id != null) {
overriden = extended.getElementById(id.getValue());
}
}
if (overriden != null) {
overriden.getParent().replaceChild((TemplateNode) overriden, (TemplateNode) tag);
}
} else if (node instanceof SetDirective) {
int index = 0;
if (extended == extendedDocument
&& extendedDocument.getChildren().size() > 0
&& extendedDocument.getChildren().get(0) instanceof ExtendsDirective) {
index = 1;
}
extended.insertChild(index, node);
}
}
if (extendedDocument.getChildren().size() > 0
&& extendedDocument.getChildren().get(0) instanceof ExtendsDirective) {
((ExtendsDirective) extendedDocument.getChildren().get(0)).extend(extendedDocument, f, false);
}
if (normalize) {
if (extendedTag != null) {
extendedTag.normalize(extendedDocument, f);
} else {
f.addAll(extendedDocument.normalize());
}
}
}
public boolean getSnippets(
final int docId,
final ReaderInterface reader,
final List<FieldValueItem> values,
final List<FieldValueItem> snippets,
final Timer parentTimer)
throws IOException, ParseException, SyntaxError, SearchLibException {
if (values == null) return false;
final Timer timer = new Timer(parentTimer, "SnippetField " + this.name);
final long halfTimeExpiration =
this.timeLimit == 0 ? 0 : timer.getStartOffset(this.timeLimit / 2);
final long expiration = this.timeLimit == 0 ? 0 : timer.getStartOffset(this.timeLimit);
FragmenterAbstract fragmenter = fragmenterTemplate.newInstance();
SnippetVector currentVector = null;
Timer t = new Timer(timer, "extractTermVectorIterator");
Iterator<SnippetVector> vectorIterator =
SnippetVectors.extractTermVectorIterator(
docId, reader, snippetQueries, name, values, indexAnalyzer, t, halfTimeExpiration);
if (vectorIterator != null)
currentVector = vectorIterator.hasNext() ? vectorIterator.next() : null;
t.end(null);
t = new Timer(timer, "getFraments");
int startOffset = 0;
FragmentList fragments = new FragmentList();
int vectorOffset = 0;
for (FieldValueItem valueItem : values) {
String value = valueItem.getValue();
if (value != null) {
// VectorOffset++ depends of EndOffset bug #patch Lucene 579 and
// 1458
fragmenter.getFragments(value, fragments, vectorOffset++);
}
}
t.end(null);
if (fragments.size() == 0) {
timer.end(null);
return false;
}
t = new Timer(timer, "checkValue");
Fragment fragment = fragments.first();
while (fragment != null) {
currentVector = checkValue(currentVector, vectorIterator, startOffset, fragment);
startOffset += fragment.getOriginalText().length();
fragment = fragment.next();
}
t.end(null);
Timer sbTimer = new Timer(timer, "snippetBuilder");
boolean result = false;
int snippetCounter = maxSnippetNumber;
int scoredFragment = 0;
while (snippetCounter-- != 0) {
Fragment bestScoreFragment = null;
fragment = Fragment.findNextHighlightedFragment(fragments.first());
List<Fragment> scoreFragments = new ArrayList<Fragment>(0);
double maxSearchScore = 0;
t = new Timer(sbTimer, "fragmentScore");
boolean expired = false;
while (fragment != null) {
double sc = fragment.searchScore(name, queryAnalyzer, query);
if (sc > maxSearchScore) maxSearchScore = sc;
scoreFragments.add(fragment);
fragment = Fragment.findNextHighlightedFragment(fragment.next());
scoredFragment++;
if (expiration != 0) {
if (System.currentTimeMillis() > expiration) {
expired = true;
break;
}
}
}
t.end("fragmentScore " + scoredFragment + " " + expired);
for (Fragment frag : scoreFragments)
bestScoreFragment =
Fragment.bestScore(bestScoreFragment, frag, maxSearchScore, maxSnippetSize);
if (bestScoreFragment != null) {
SnippetBuilder snippetBuilder =
new SnippetBuilder(maxSnippetSize, unescapedSeparator, tags, bestScoreFragment);
if (snippetBuilder.length() > 0)
snippets.add(new FieldValueItem(FieldValueOriginEnum.SNIPPET, snippetBuilder.toString()));
fragments.remove(snippetBuilder.getFragments());
result = true;
continue;
}
if (fragments.first() == null) break;
SnippetBuilder snippetBuilder =
new SnippetBuilder(maxSnippetSize, unescapedSeparator, tags, fragments.first());
if (snippetBuilder.length() > 0) {
snippets.add(new FieldValueItem(FieldValueOriginEnum.SNIPPET, snippetBuilder.toString()));
fragments.remove(snippetBuilder.getFragments());
}
}
sbTimer.end(null);
timer.end(null);
return result;
}
