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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "query_term_filter_factory.h"
#include <vespa/searchsummary/docsummary/query_term_filter.h>
#include <vespa/vespalib/stllike/hash_map.hpp>
#include <vespa/vespalib/stllike/hash_set.hpp>
#include <cassert>
#include <vespa/log/log.h>
LOG_SETUP(".vsm.query_term_filter_factory");
using search::docsummary::IQueryTermFilter;
using search::docsummary::IQueryTermFilterFactory;
using search::docsummary::QueryTermFilter;
using vespa::config::search::vsm::VsmfieldsConfig;
using vespa::config::search::vsm::VsmsummaryConfig;
namespace vsm {
QueryTermFilterFactory::QueryTermFilterFactory(VsmfieldsConfig& vsm_fields_config,
VsmsummaryConfig& vsm_summary_config)
: IQueryTermFilterFactory(),
_view_map(),
_field_map()
{
populate_view_map(vsm_fields_config);
populate_field_map(vsm_summary_config);
}
QueryTermFilterFactory::~QueryTermFilterFactory() = default;
void
QueryTermFilterFactory::populate_view_map(VsmfieldsConfig& vsm_fields_config)
{
for (auto& doctype : vsm_fields_config.documenttype) {
for (auto& index : doctype.index) {
for (auto& field : index.field) {
_view_map[field.name].insert(index.name);
}
}
}
}
void
QueryTermFilterFactory::populate_field_map(VsmsummaryConfig& vsm_summary_config)
{
for (auto& summary_field : vsm_summary_config.fieldmap) {
for (auto& document : summary_field.document) {
_field_map[summary_field.summary].insert(document.field);
}
}
}
void
QueryTermFilterFactory::populate_views(StringSet& views, const vespalib::string& field) const
{
auto itr = _view_map.find(field);
if (itr != _view_map.end()) {
for (auto& index : itr->second) {
views.insert(index);
}
}
}
std::shared_ptr<const IQueryTermFilter>
QueryTermFilterFactory::make(vespalib::stringref input_field) const
{
StringSet views;
auto itr = _field_map.find(input_field);
if (itr != _field_map.end()) {
for (auto& field : itr->second) {
populate_views(views, field);
}
} else {
// Assume identity mapping vsm summary field -> document field
populate_views(views, input_field);
}
return std::make_shared<QueryTermFilter>(std::move(views));
}
}
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