FixedOracle.hpp

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#ifndef TATAMI_FIXED_ORACLE_HPP
#define TATAMI_FIXED_ORACLE_HPP
 
#include "../base/Oracle.hpp"
#include <vector>
#include <cstddef>
 
namespace tatami {
 
template<typename Index_>
class FixedViewOracle final : public Oracle<Index_> {
public:
    FixedViewOracle(const Index_* ptr, std::size_t number) : my_reference(ptr), my_length(number) {}
 
    std::size_t total() const {
        return my_length;
    }
 
    Index_ get(std::size_t i) const {
        return my_reference[i];
    }
 
private:
    const Index_* my_reference;
    std::size_t my_length;
};
 
template<typename Index_>
class FixedVectorOracle final : public Oracle<Index_> {
public:
    FixedVectorOracle(std::vector<Index_> vector) : my_sequence(std::move(vector)) {}
 
    std::size_t total() const {
        return my_sequence.size();
    }
 
    Index_ get(std::size_t i) const {
        return my_sequence[i];
    }
 
private:
    std::vector<Index_> my_sequence;
};
 
}
 
#endif