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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/vespalib/util/memoryusage.h>
namespace search {
/**
* Simple statistics for a single Searchable component or multiple components that are merged together.
*
* E.g. used for internal aggregation before inserting numbers into the metrics framework.
**/
class SearchableStats
{
private:
vespalib::MemoryUsage _memoryUsage;
size_t _docsInMemory;
size_t _sizeOnDisk; // in bytes
size_t _fusion_size_on_disk; // in bytes
public:
SearchableStats() : _memoryUsage(), _docsInMemory(0), _sizeOnDisk(0), _fusion_size_on_disk(0) {}
SearchableStats &memoryUsage(const vespalib::MemoryUsage &usage) {
_memoryUsage = usage;
return *this;
}
const vespalib::MemoryUsage &memoryUsage() const { return _memoryUsage; }
SearchableStats &docsInMemory(size_t value) {
_docsInMemory = value;
return *this;
}
size_t docsInMemory() const { return _docsInMemory; }
SearchableStats &sizeOnDisk(size_t value) {
_sizeOnDisk = value;
return *this;
}
size_t sizeOnDisk() const { return _sizeOnDisk; }
SearchableStats& fusion_size_on_disk(size_t value) {
_fusion_size_on_disk = value;
return *this;
}
size_t fusion_size_on_disk() const { return _fusion_size_on_disk; }
SearchableStats &merge(const SearchableStats &rhs) {
_memoryUsage.merge(rhs._memoryUsage);
_docsInMemory += rhs._docsInMemory;
_sizeOnDisk += rhs._sizeOnDisk;
_fusion_size_on_disk += rhs._fusion_size_on_disk;
return *this;
}
};
} // namespace search
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