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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "fake_searchable.h"
#include "leaf_blueprints.h"
#include "termasstring.h"
#include "create_blueprint_visitor_helper.h"
#include <vespa/vespalib/objects/visit.h>
using search::query::FuzzyTerm;
using search::query::LocationTerm;
using search::query::NearestNeighborTerm;
using search::query::Node;
using search::query::NumberTerm;
using search::query::PredicateQuery;
using search::query::PrefixTerm;
using search::query::RangeTerm;
using search::query::RegExpTerm;
using search::query::StringTerm;
using search::query::SubstringTerm;
using search::query::SuffixTerm;
namespace search::queryeval {
FakeSearchable::FakeSearchable()
: _tag("<undef>"),
_map(),
_is_attr(false)
{
}
FakeSearchable &
FakeSearchable::addResult(const vespalib::string &field,
const vespalib::string &term,
const FakeResult &result)
{
_map[Key(field, term)] = result;
return *this;
}
namespace {
/**
* Determines the correct LookupResult to use.
**/
template <class Map>
class LookupVisitor : public CreateBlueprintVisitorHelper
{
const Map &_map;
const vespalib::string _tag;
bool _is_attr;
public:
LookupVisitor(Searchable &searchable, const IRequestContext & requestContext,
const Map &map, const vespalib::string &tag, bool is_attr, const FieldSpec &field);
~LookupVisitor();
template <class TermNode>
void visitTerm(TermNode &n);
void visit(NumberTerm &n) override { visitTerm(n); }
void visit(LocationTerm &n) override { visitTerm(n); }
void visit(PrefixTerm &n) override { visitTerm(n); }
void visit(RangeTerm &n) override { visitTerm(n); }
void visit(StringTerm &n) override { visitTerm(n); }
void visit(SubstringTerm &n) override { visitTerm(n); }
void visit(SuffixTerm &n) override { visitTerm(n); }
void visit(PredicateQuery &n) override { visitTerm(n); }
void visit(RegExpTerm &n) override { visitTerm(n); }
void visit(NearestNeighborTerm &n) override { visitTerm(n); }
void visit(FuzzyTerm &n) override { visitTerm(n); }
};
template <class Map>
LookupVisitor<Map>::LookupVisitor(Searchable &searchable, const IRequestContext & requestContext,
const Map &map, const vespalib::string &tag, bool is_attr, const FieldSpec &field)
: CreateBlueprintVisitorHelper(searchable, field, requestContext),
_map(map),
_tag(tag),
_is_attr(is_attr)
{}
template <class Map>
LookupVisitor<Map>::~LookupVisitor() = default;
template <class Map>
template <class TermNode>
void
LookupVisitor<Map>::visitTerm(TermNode &n) {
const vespalib::string term_string = termAsString(n);
FakeResult result;
auto pos = _map.find(typename Map::key_type(getField().getName(), term_string));
if (pos != _map.end()) {
result = pos->second;
}
auto fake = std::make_unique<FakeBlueprint>(getField(), result);
fake->tag(_tag).is_attr(_is_attr).term(term_string);
setResult(std::move(fake));
}
} // namespace search::queryeval::<unnamed>
Blueprint::UP
FakeSearchable::createBlueprint(const IRequestContext & requestContext,
const FieldSpec &field,
const search::query::Node &term)
{
LookupVisitor<Map> visitor(*this, requestContext, _map, _tag, _is_attr, field);
const_cast<Node &>(term).accept(visitor);
return visitor.getResult();
}
FakeSearchable::~FakeSearchable() = default;
}
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