/** Execute Lucene index query. */
private QueryResponse executeQuery(
AdvancedCache<byte[], byte[]> cache, SerializationContext serCtx, QueryRequest request) {
final SearchManager searchManager = Search.getSearchManager(cache);
final SearchIntegrator searchFactory = searchManager.getSearchFactory();
final QueryCache queryCache = ComponentRegistryUtils.getQueryCache(cache); // optional component
LuceneQueryParsingResult parsingResult;
Query luceneQuery;
if (queryCache != null) {
KeyValuePair<String, Class> queryCacheKey =
new KeyValuePair<String, Class>(request.getJpqlString(), LuceneQueryParsingResult.class);
parsingResult = queryCache.get(queryCacheKey);
if (parsingResult == null) {
parsingResult = parseQuery(cache, serCtx, request.getJpqlString(), searchFactory);
queryCache.put(queryCacheKey, parsingResult);
}
} else {
parsingResult = parseQuery(cache, serCtx, request.getJpqlString(), searchFactory);
}
luceneQuery = parsingResult.getQuery();
if (!cache.getCacheConfiguration().compatibility().enabled()) {
// restrict on entity type
QueryBuilder qb =
searchFactory.buildQueryBuilder().forEntity(parsingResult.getTargetEntity()).get();
luceneQuery =
qb.bool()
.must(
qb.keyword()
.onField(TYPE_FIELD_NAME)
.ignoreFieldBridge()
.ignoreAnalyzer()
.matching(parsingResult.getTargetEntityName())
.createQuery())
.must(luceneQuery)
.createQuery();
}
CacheQuery cacheQuery = searchManager.getQuery(luceneQuery, parsingResult.getTargetEntity());
if (parsingResult.getSort() != null) {
cacheQuery = cacheQuery.sort(parsingResult.getSort());
}
int projSize = 0;
if (parsingResult.getProjections() != null && !parsingResult.getProjections().isEmpty()) {
projSize = parsingResult.getProjections().size();
cacheQuery =
cacheQuery.projection(parsingResult.getProjections().toArray(new String[projSize]));
}
if (request.getStartOffset() > 0) {
cacheQuery = cacheQuery.firstResult((int) request.getStartOffset());
}
if (request.getMaxResults() > 0) {
cacheQuery = cacheQuery.maxResults(request.getMaxResults());
}
List<?> list = cacheQuery.list();
List<WrappedMessage> results =
new ArrayList<WrappedMessage>(projSize == 0 ? list.size() : list.size() * projSize);
for (Object o : list) {
if (projSize == 0) {
results.add(new WrappedMessage(o));
} else {
Object[] row = (Object[]) o;
for (int j = 0; j < projSize; j++) {
results.add(new WrappedMessage(row[j]));
}
}
}
QueryResponse response = new QueryResponse();
response.setTotalResults(cacheQuery.getResultSize());
response.setNumResults(list.size());
response.setProjectionSize(projSize);
response.setResults(results);
return response;
}
public void testIndexingWithWrapper() throws Exception {
MarshallerRegistration.registerMarshallers(
ProtobufMetadataManagerImpl.getSerializationContext(cacheManager));
// Store some test data:
ProtobufValueWrapper wrapper1 =
new ProtobufValueWrapper(createMarshalledUser("Adrian", "Nistor"));
ProtobufValueWrapper wrapper2 =
new ProtobufValueWrapper(createMarshalledUser("John", "Batman"));
cache.put(1, wrapper1); // todo how do we index if the key is a byte array?
cache.put(2, wrapper2);
SearchManager sm = Search.getSearchManager(cache);
SearchIntegrator searchFactory = sm.unwrap(SearchIntegrator.class);
assertNotNull(searchFactory.getIndexManager(ProtobufValueWrapper.class.getName()));
Query luceneQuery =
sm.buildQueryBuilderForClass(ProtobufValueWrapper.class)
.get()
.keyword()
.onField("name")
.ignoreFieldBridge()
.ignoreAnalyzer()
.matching("Adrian")
.createQuery();
List<ProtobufValueWrapper> list = sm.<ProtobufValueWrapper>getQuery(luceneQuery).list();
assertEquals(1, list.size());
ProtobufValueWrapper pvw = list.get(0);
User unwrapped =
(User)
ProtobufUtil.fromWrappedByteArray(
ProtobufMetadataManagerImpl.getSerializationContextInternal(cacheManager),
pvw.getBinary());
assertEquals("Adrian", unwrapped.getName());
// an alternative approach ...
Query luceneQuery2 =
searchFactory
.buildQueryBuilder()
.forEntity(ProtobufValueWrapper.class)
.get()
.keyword()
.onField("name")
.ignoreFieldBridge()
.ignoreAnalyzer()
.matching("Adrian")
.createQuery();
List<EntityInfo> queryEntityInfos =
searchFactory
.createHSQuery(luceneQuery2, ProtobufValueWrapper.class)
.projection("surname")
.queryEntityInfos();
assertEquals(1, queryEntityInfos.size());
EntityInfo entityInfo = queryEntityInfos.get(0);
assertEquals("Nistor", entityInfo.getProjection()[0]);
}
