public void testBoostedFieldDesc() throws Exception {
FullTextSession fullTextSession = Search.getFullTextSession(openSession());
buildBoostedFieldIndex(fullTextSession);
fullTextSession.clear();
Transaction tx = fullTextSession.beginTransaction();
QueryParser authorParser =
new QueryParser(
TestConstants.getTargetLuceneVersion(), "author", TestConstants.standardAnalyzer);
QueryParser descParser =
new QueryParser(
TestConstants.getTargetLuceneVersion(), "description", TestConstants.standardAnalyzer);
Query author = authorParser.parse("Wells");
Query desc = descParser.parse("martians");
BooleanQuery query = new BooleanQuery();
query.add(author, BooleanClause.Occur.SHOULD);
query.add(desc, BooleanClause.Occur.SHOULD);
log.debug(query.toString());
org.hibernate.search.FullTextQuery hibQuery =
fullTextSession.createFullTextQuery(query, BoostedFieldDescriptionLibrary.class);
List results = hibQuery.list();
assertTrue(
"incorrect document boost",
((BoostedFieldDescriptionLibrary) results.get(0)).getDescription().startsWith("Martians"));
log.debug(hibQuery.explain(0).toString());
log.debug(hibQuery.explain(1).toString());
// cleanup
for (Object element :
fullTextSession
.createQuery("from " + BoostedFieldDescriptionLibrary.class.getName())
.list()) {
fullTextSession.delete(element);
}
tx.commit();
fullTextSession.close();
}
private void outputQueryAndResults(
boolean outputLogs, Coffee originalInstance, Query mltQuery, List<Object[]> results) {
// set to true to display results
if (outputLogs) {
StringBuilder builder =
new StringBuilder("Initial coffee: ")
.append(originalInstance)
.append("\n\n")
.append("Query: ")
.append(mltQuery.toString())
.append("\n\n")
.append("Matching coffees")
.append("\n");
for (Object[] entry : results) {
builder.append(" Score: ").append(entry[1]);
builder.append(" | Coffee: ").append(entry[0]).append("\n");
}
log.debug(builder.toString());
}
}
private Version getLuceneMatchVersion(SearchConfiguration cfg) {
final Version version;
String tmp = cfg.getProperty(Environment.LUCENE_MATCH_VERSION);
if (StringHelper.isEmpty(tmp)) {
log.recommendConfiguringLuceneVersion();
version = Environment.DEFAULT_LUCENE_MATCH_VERSION;
} else {
try {
version = Version.parseLeniently(tmp);
if (log.isDebugEnabled()) {
log.debug("Setting Lucene compatibility to Version " + version);
}
} catch (IllegalArgumentException e) {
throw log.illegalLuceneVersionFormat(tmp, e.getMessage());
} catch (ParseException e) {
throw log.illegalLuceneVersionFormat(tmp, e.getMessage());
}
}
return version;
}
