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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "leaf_blueprints.h"
#include "emptysearch.h"
#include "simplesearch.h"
#include "fake_search.h"
namespace search::queryeval {
//-----------------------------------------------------------------------------
SearchIterator::UP
EmptyBlueprint::createLeafSearch(const search::fef::TermFieldMatchDataArray &,
bool) const
{
return std::make_unique<EmptySearch>();
}
SearchIterator::UP
EmptyBlueprint::createFilterSearch(bool /*strict*/, FilterConstraint /* constraint */) const
{
return std::make_unique<EmptySearch>();
}
EmptyBlueprint::EmptyBlueprint(const FieldSpecBase &field)
: SimpleLeafBlueprint(field)
{
}
EmptyBlueprint::EmptyBlueprint(const FieldSpecBaseList &fields)
: SimpleLeafBlueprint(fields)
{
}
EmptyBlueprint::EmptyBlueprint()
: SimpleLeafBlueprint(FieldSpecBaseList())
{
}
//-----------------------------------------------------------------------------
SearchIterator::UP
SimpleBlueprint::createLeafSearch(const search::fef::TermFieldMatchDataArray &, bool) const
{
SimpleSearch *ss = new SimpleSearch(_result);
SearchIterator::UP search(ss);
ss->tag(_tag);
return search;
}
SearchIterator::UP
SimpleBlueprint::createFilterSearch(bool strict, FilterConstraint constraint) const
{
SimpleSearch *ss = new SimpleSearch(_result);
SearchIterator::UP search(ss);
ss->tag(_tag +
(strict ? "<strict," : "<nostrict,") +
(constraint == FilterConstraint::UPPER_BOUND ? "upper>" : "lower>"));
return search;
}
SimpleBlueprint::SimpleBlueprint(const SimpleResult &result)
: SimpleLeafBlueprint(FieldSpecBaseList()),
_tag(),
_result(result)
{
setEstimate(HitEstimate(result.getHitCount(), (result.getHitCount() == 0)));
}
SimpleBlueprint::~SimpleBlueprint() = default;
SimpleBlueprint &
SimpleBlueprint::tag(const vespalib::string &t)
{
_tag = t;
return *this;
}
//-----------------------------------------------------------------------------
namespace {
struct FakeContext : attribute::ISearchContext {
const vespalib::string &name;
const FakeResult &result;
FakeContext(const vespalib::string &name_in, const FakeResult &result_in)
: name(name_in), result(result_in) {}
int32_t onFind(DocId docid, int32_t elemid, int32_t &weight) const override {
for (const auto &doc: result.inspect()) {
if (doc.docId == docid) {
for (const auto &elem: doc.elements) {
if (elem.id >= uint32_t(elemid)) {
weight = elem.weight;
return elem.id;
}
}
}
}
return -1;
}
int32_t onFind(DocId docid, int32_t elem) const override {
int32_t ignore_weight;
return onFind(docid, elem, ignore_weight);
}
unsigned int approximateHits() const override { return 0; }
std::unique_ptr<SearchIterator> createIterator(fef::TermFieldMatchData *, bool) override { abort(); }
void fetchPostings(const ExecuteInfo &) override { }
bool valid() const override { return true; }
search::Int64Range getAsIntegerTerm() const override { abort(); }
const search::QueryTermUCS4 * queryTerm() const override { abort(); }
const vespalib::string &attributeName() const override { return name; }
};
}
SearchIterator::UP
FakeBlueprint::createLeafSearch(const fef::TermFieldMatchDataArray &tfmda, bool) const
{
auto result = std::make_unique<FakeSearch>(_tag, _field.getName(), _term, _result, tfmda);
result->attr_ctx(_ctx.get());
return result;
}
FakeBlueprint::FakeBlueprint(const FieldSpec &field, const FakeResult &result)
: SimpleLeafBlueprint(field),
_tag("<tag>"),
_term("<term>"),
_field(field),
_result(result),
_ctx()
{
setEstimate(HitEstimate(result.inspect().size(), result.inspect().empty()));
}
FakeBlueprint::~FakeBlueprint() = default;
FakeBlueprint &
FakeBlueprint::is_attr(bool value) {
if (value) {
_ctx = std::make_unique<FakeContext>(_field.getName(), _result);
} else {
_ctx.reset();
}
return *this;
}
}
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