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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "bm_node_stats.h"
#include <cassert>
namespace search::bmcluster {
namespace {
template <class Stats>
void merge(std::optional<Stats> &lhs, const Stats &rhs)
{
if (lhs) {
auto value = lhs.value();
value += rhs;
lhs = value;
} else {
lhs = rhs;
}
}
template <class Stats>
void merge(std::optional<Stats> &lhs, const std::optional<Stats> &rhs)
{
if (rhs) {
merge(lhs, rhs.value());
}
}
}
BmNodeStats::BmNodeStats()
: _buckets(),
_document_db(),
_merges()
{
}
BmNodeStats::~BmNodeStats() = default;
BmNodeStats&
BmNodeStats::operator+=(const BmNodeStats& rhs)
{
merge(_buckets, rhs._buckets);
merge(_document_db, rhs._document_db);
merge(_merges, rhs._merges);
return *this;
}
bool
BmNodeStats::operator==(const BmNodeStats &rhs) const
{
return ((_buckets == rhs._buckets) &&
(_document_db == rhs._document_db) &&
(_merges == rhs._merges));
}
void
BmNodeStats::set_document_db_stats(const BmDocumentDbStats &document_db)
{
assert(!_document_db);
_document_db = document_db;
}
void
BmNodeStats::merge_bucket_stats(const BmBucketsStats &buckets)
{
merge(_buckets, buckets);
}
void
BmNodeStats::set_merge_stats(const BmMergeStats &merges)
{
assert(!_merges);
_merges = merges;
}
}
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