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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "global_filter.h"
namespace search::queryeval {
namespace {
struct Inactive : GlobalFilter {
bool is_active() const override { return false; }
uint32_t size() const override { abort(); }
uint32_t count() const override { abort(); }
bool check(uint32_t) const override { abort(); }
};
struct BitVectorFilter : public GlobalFilter {
std::unique_ptr<BitVector> vector;
BitVectorFilter(std::unique_ptr<BitVector> vector_in)
: vector(std::move(vector_in)) {}
bool is_active() const override { return true; }
uint32_t size() const override { return vector->size(); }
uint32_t count() const override { return vector->countTrueBits(); }
bool check(uint32_t docid) const override { return vector->testBit(docid); }
};
}
GlobalFilter::GlobalFilter() = default;
GlobalFilter::~GlobalFilter() = default;
std::shared_ptr<GlobalFilter>
GlobalFilter::create() {
return std::make_shared<Inactive>();
}
std::shared_ptr<GlobalFilter>
GlobalFilter::create(std::unique_ptr<BitVector> vector) {
return std::make_shared<BitVectorFilter>(std::move(vector));
}
}
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