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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/documentapi/messagebus/priority.h>
#include <array>
#include <vector>
namespace storage {
class PriorityConverter {
public:
PriorityConverter();
~PriorityConverter();
/** Converts the given priority into a storage api priority number. */
[[nodiscard]] uint8_t toStoragePriority(documentapi::Priority::Value) const noexcept;
/** Converts the given priority into a document api priority number. */
[[nodiscard]] documentapi::Priority::Value toDocumentPriority(uint8_t storage_priority) const noexcept {
return _reverse_mapping[storage_priority];
}
private:
void init_static_priority_mappings();
static_assert(documentapi::Priority::PRI_ENUM_SIZE == 16, "Unexpected size of priority enumeration");
static_assert(documentapi::Priority::PRI_LOWEST == 15, "Priority enum value out of bounds");
static constexpr size_t PRI_ENUM_SIZE = documentapi::Priority::PRI_ENUM_SIZE;
std::array<uint8_t, PRI_ENUM_SIZE> _mapping;
std::vector<documentapi::Priority::Value> _reverse_mapping;
};
} // storage
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