HTTPSearchService::HTTPSearchService(const SearchResource& searchRes)
: m_searchRes(searchRes)
{
IndexReaderPtr pIndexReader = m_searchRes.getIndexReader();
FIRTEX_ASSERT2(pIndexReader.isNotNull());
m_sEncoding = pIndexReader->getEncoding();
}
void HTTPSearchService::handleQuery(const Statement& state,
EvHttpRequestContext* pCtx) const
{
IndexReaderPtr pIndexReader = m_searchRes.getIndexReader();
FIRTEX_ASSERT2(pIndexReader.isNotNull());
try
{
TimeProbe probe;
probe.start();
QueryParser parser(pIndexReader->getAnalyzerMapper(),
m_searchRes.getDefaultField());
IndexSearcher searcher(pIndexReader);
QueryHitsPtr pHits = searcher.search(state, parser);
QueryResult result;
if (pHits.isNotNull())
{
FieldSelectClausePtr pFieldClause = state.getFieldSelectClause();
QueryClausePtr pQueryClause = state.getQueryClause();
if (pFieldClause.isNotNull() && pQueryClause.isNotNull())
{
QueryPtr pQuery = parser.parse(pQueryClause->getQueryString());
FIRTEX_ASSERT2(pQuery.isNotNull());
FieldSelector selector(pIndexReader->getDocSchema());
for (size_t i = 0; i < pFieldClause->getFieldCount(); ++i)
{
const FieldSelectClause::SnippetParam& param = pFieldClause->getField(i);
FieldFilterPtr pFieldFilter;
if (param.snippet)
{
SnippetGenerator* pSnippetGen = new SnippetGenerator();
pFieldFilter.reset(pSnippetGen);
if (!pSnippetGen->init(pQuery, parser.getAnalyzerMapper(), param.field,
param.preTag, param.postTag, param.separator))
{
FX_LOG(ERROR, "Init snippet generator for field: [%s] FAILED", param.field.c_str());
sendErrorMessage("Init snippet generator for field: " +
param.field + " FAILED", pCtx);
return;
}
}
if (!selector.addField(param.field, pFieldFilter))
{
FX_LOG(ERROR, "Invalid field: [%s]", param.field.c_str());
}
}
result.init(selector, pIndexReader, *pHits);
}
else
{
result.init(pIndexReader, *pHits);
}
}
probe.stop();
result.setTimeCost(probe.elapsed() / 1000);
FX_QUERY_TRACE(INFO, result.getTracer(), "search phase time [%d]",
(int32_t)result.getTimeCost());
stringstream ss;
XMLResultFormatter formatter;
formatter.format(result, ss);
sendResponse(ss.str(), pCtx);
}
catch(const FirteXException& e)
{
FX_LOG(ERROR, "Handle request FAILED: [%s], reason: [%s]",
pCtx->getQuery().c_str(), e.what().c_str());
sendErrorMessage("Handle request failed", pCtx);
}
}