public ClusteredCacheQueryImpl(
Query luceneQuery,
SearchFactoryIntegrator searchFactory,
ExecutorService asyncExecutor,
AdvancedCache<?, ?> cache,
KeyTransformationHandler keyTransformationHandler,
Class<?>... classes) {
super(luceneQuery, searchFactory, cache, keyTransformationHandler, classes);
this.asyncExecutor = asyncExecutor;
this.hSearchQuery =
searchFactory
.createHSQuery()
.luceneQuery(luceneQuery)
.targetedEntities(Arrays.asList(classes));
this.marshaller =
ComponentRegistryUtils.getComponent(
cache, StreamingMarshaller.class, KnownComponentNames.CACHE_MARSHALLER);
}
private void wipeExistingIndexes() {
QueryInterceptor queryInterceptor = ComponentRegistryUtils.getQueryInterceptor(cache);
queryInterceptor.purgeAllIndexes();
}
private LuceneQueryParsingResult parseQuery(
AdvancedCache<byte[], byte[]> cache,
final SerializationContext serCtx,
String queryString,
SearchIntegrator searchFactory) {
LuceneProcessingChain processingChain;
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();
return queryInterceptor.isIndexed(clazz) ? clazz : null;
}
};
processingChain =
new LuceneProcessingChain.Builder(searchFactory, entityNamesResolver)
.buildProcessingChainForClassBasedEntities();
} else {
EntityNamesResolver entityNamesResolver =
new EntityNamesResolver() {
@Override
public Class<?> getClassFromName(String entityName) {
return serCtx.canMarshall(entityName) ? ProtobufValueWrapper.class : null;
}
};
FieldBridgeProvider fieldBridgeProvider =
new FieldBridgeProvider() {
@Override
public FieldBridge getFieldBridge(String type, String propertyPath) {
Descriptor md = serCtx.getMessageDescriptor(type);
FieldDescriptor fd = getFieldDescriptor(md, propertyPath);
switch (fd.getType()) {
case DOUBLE:
return NumericFieldBridge.DOUBLE_FIELD_BRIDGE;
case FLOAT:
return NumericFieldBridge.FLOAT_FIELD_BRIDGE;
case INT64:
case UINT64:
case FIXED64:
case SFIXED64:
case SINT64:
return NumericFieldBridge.LONG_FIELD_BRIDGE;
case INT32:
case FIXED32:
case UINT32:
case SFIXED32:
case SINT32:
case BOOL:
case ENUM:
return NumericFieldBridge.INT_FIELD_BRIDGE;
case STRING:
case BYTES:
case GROUP:
case MESSAGE:
return new NullEncodingTwoWayFieldBridge(
new TwoWayString2FieldBridgeAdaptor(StringBridge.INSTANCE), NULL_TOKEN);
}
return null;
}
};
processingChain =
new LuceneProcessingChain.Builder(searchFactory, entityNamesResolver)
.buildProcessingChainForDynamicEntities(fieldBridgeProvider);
}
return new QueryParser().parseQuery(queryString, processingChain);
}
/** 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;
}