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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/vespalib/datastore/aligner.h>
#include <vespa/vespalib/datastore/datastore.h>
#include <vespa/vespalib/stllike/string.h>
namespace search::memoryindex {
class WordStore {
public:
using DataStoreType = vespalib::datastore::DataStoreT<vespalib::datastore::EntryRefT<22>>;
using RefType = DataStoreType::RefType;
static constexpr uint32_t buffer_array_size = 4u; // Must be a power of 2
using Aligner = vespalib::datastore::Aligner<buffer_array_size>;
private:
DataStoreType _store;
uint32_t _numWords;
vespalib::datastore::BufferType<char> _type;
const uint32_t _typeId;
public:
WordStore();
~WordStore();
vespalib::datastore::EntryRef addWord(const vespalib::stringref word);
const char *getWord(vespalib::datastore::EntryRef ref) const {
RefType internalRef(ref);
return _store.getEntryArray<char>(internalRef, buffer_array_size);
}
vespalib::MemoryUsage getMemoryUsage() const {
return _store.getMemoryUsage();
}
};
}
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