// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.

#pragma once

#include "posting_store_memory_usage.h"
#include <vespa/searchcommon/attribute/iattributevector.h>

namespace vespalib::datastore { class CompactionStrategy; }

namespace vespalib { class MemoryUsage; }

namespace search::attribute {

class IPostingListAttributeBase
{
public:
    using CompactionStrategy = vespalib::datastore::CompactionStrategy;
    virtual ~IPostingListAttributeBase() = default;
    virtual void clearPostings(IAttributeVector::EnumHandle eidx, uint32_t fromLid, uint32_t toLid) = 0;
    virtual void forwardedShrinkLidSpace(uint32_t newSize) = 0;
    virtual PostingStoreMemoryUsage getMemoryUsage() const = 0;
    virtual bool consider_compact_worst_btree_nodes(const CompactionStrategy& compaction_strategy) = 0;
    virtual bool consider_compact_worst_buffers(const CompactionStrategy& compaction_strategy) = 0;
};

}