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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 "direct_posting_store_adapter.h"
#include <vespa/vespalib/datastore/entryref.h>
namespace search::attribute {
/**
* Adapter used to implement a specific IDirectPostingStore interface for
* a numeric attribute vector with underlying posting lists (fast-search).
*/
template <typename ParentType, typename PostingStoreType, typename EnumStoreType>
class NumericDirectPostingStoreAdapter : public DirectPostingStoreAdapter<ParentType, PostingStoreType, EnumStoreType> {
public:
using LookupKey = typename ParentType::LookupKey;
using LookupResult = typename ParentType::LookupResult;
NumericDirectPostingStoreAdapter(const PostingStoreType& posting_store,
const EnumStoreType& enum_store,
bool attr_is_filter);
LookupResult lookup(const LookupKey& key,
vespalib::datastore::EntryRef dictionary_snapshot) const override;
void collect_folded(vespalib::datastore::EntryRef enum_idx, vespalib::datastore::EntryRef dictionary_snapshot,
const std::function<void(vespalib::datastore::EntryRef)>& callback) const override;
int64_t get_integer_value(vespalib::datastore::EntryRef enum_idx) const noexcept override;
};
}
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