}
private byte[] executeQuery(AdvancedCache<byte[], byte[]> cache, byte[] query) throws IOException {
final SerializationContext serCtx = ProtobufMetadataManager.getSerializationContext(cache.getCacheManager());
QueryRequest request = ProtobufUtil.fromByteArray(serCtx, query, 0, query.length, QueryRequest.class);
SearchManager searchManager = Search.getSearchManager(cache);
Query luceneQuery;
List<String> projections;
Class targetEntity;
Descriptors.Descriptor messageDescriptor;
QueryParser queryParser = new QueryParser();
if (cache.getCacheConfiguration().compatibility().enabled()) {
final QueryInterceptor queryInterceptor = ComponentRegistryUtils.getQueryInterceptor(cache);
EntityNamesResolver entityNamesResolver = new EntityNamesResolver() {
@Override
public Class<?> getClassFromName(String entityName) {
MessageMarshaller messageMarshaller = (MessageMarshaller) serCtx.getMarshaller(entityName);
Class clazz = messageMarshaller.getJavaClass();
Boolean isIndexed = queryInterceptor.getKnownClasses().get(clazz);
return isIndexed != null && isIndexed ? clazz : null;
}
};
LuceneProcessingChain processingChain = new LuceneProcessingChain((SearchFactoryIntegrator) searchManager.getSearchFactory(), entityNamesResolver, null);
LuceneQueryParsingResult parsingResult = queryParser.parseQuery(request.getJpqlString(), processingChain);
MessageMarshaller messageMarshaller = (MessageMarshaller) serCtx.getMarshaller(parsingResult.getTargetEntity());
messageDescriptor = serCtx.getMessageDescriptor(messageMarshaller.getTypeName());
targetEntity = parsingResult.getTargetEntity();
projections = parsingResult.getProjections();
luceneQuery = parsingResult.getQuery();
} else {
EntityNamesResolver entityNamesResolver = new EntityNamesResolver() {
@Override
public Class<?> getClassFromName(String entityName) {
try {
//todo [anistor] this just checks if the type is known
serCtx.getMessageDescriptor(entityName);
} catch (Exception e) {
return null;
}
return ProtobufValueWrapper.class;
}
};
IspnLuceneProcessingChain processingChain = new IspnLuceneProcessingChain(serCtx, (SearchFactoryIntegrator) searchManager.getSearchFactory(), entityNamesResolver, null);
IspnLuceneQueryParsingResult parsingResult = queryParser.parseQuery(request.getJpqlString(), processingChain);
messageDescriptor = parsingResult.getTargetType();
targetEntity = parsingResult.getTargetEntity();
projections = parsingResult.getProjections();
QueryBuilder qb = searchManager.getSearchFactory().buildQueryBuilder().forEntity(targetEntity).get();
luceneQuery = qb.bool()
.must(qb.keyword().onField(TYPE_FIELD_NAME).ignoreFieldBridge().matching(messageDescriptor.getFullName()).createQuery())
.must(parsingResult.getQuery())
.createQuery();
}
CacheQuery cacheQuery = searchManager.getQuery(luceneQuery, targetEntity);
if (request.getSortCriteria() != null && !request.getSortCriteria().isEmpty()) {
SortField[] sortField = new SortField[request.getSortCriteria().size()];
int i = 0;
for (QueryRequest.SortCriteria sc : request.getSortCriteria()) {
//TODO [anistor] sort type is not properly handled right now
Descriptors.FieldDescriptor field = getFieldDescriptor(messageDescriptor, sc.getAttributePath());
int sortType = SortField.STRING;
if (field != null) {
switch (field.getJavaType()) {
case INT:
case BOOLEAN:
case ENUM:
sortType = SortField.INT;
break;
case LONG:
sortType = SortField.LONG;
break;
case FLOAT:
sortType = SortField.FLOAT;
break;
case DOUBLE:
sortType = SortField.DOUBLE;
break;
}
}
sortField[i++] = new SortField(sc.getAttributePath(), sortType, !sc.isAscending());
}
cacheQuery = cacheQuery.sort(new Sort(sortField));
}
int projSize = 0;
if (projections != null && !projections.isEmpty()) {
projSize = projections.size();
cacheQuery = cacheQuery.projection(projections.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) {