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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#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 vespalib::MemoryUsage 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;
};
} // namespace search::attribute
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