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<?php |
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namespace JMGQ\AStar\Benchmark\Result; |
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class ResultAggregator |
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{ |
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/** |
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* @param Result[] $results |
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* @return AggregatedResult[] |
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*/ |
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public function process(array $results): array |
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{ |
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$aggregatedResults = []; |
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$sizeToResultsMap = $this->groupBySize($results); |
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foreach ($sizeToResultsMap as $size => $groupedResults) { |
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/** @var non-empty-array<int> $durations */ |
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$durations = $this->getDurations($groupedResults); |
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$averageDuration = $this->averageDuration($durations); |
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$minimumDuration = min($durations); |
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$maximumDuration = max($durations); |
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$numberOfSolutions = $this->getNumberOfResultsWithASolution($groupedResults); |
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$numberOfTerrains = count($groupedResults); |
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$aggregatedResults[] = new AggregatedResult( |
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$size, |
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$averageDuration, |
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$minimumDuration, |
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$maximumDuration, |
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$numberOfSolutions, |
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$numberOfTerrains |
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); |
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} |
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return $aggregatedResults; |
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} |
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/** |
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* @param Result[] $results |
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* @return array<int, Result[]> |
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*/ |
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private function groupBySize(array $results): array |
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{ |
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$groupedResults = []; |
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foreach ($results as $result) { |
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$groupedResults[$result->getSize()][] = $result; |
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} |
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return $groupedResults; |
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} |
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/** |
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* @param Result[] $results |
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* @return int[] |
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*/ |
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private function getDurations(array $results): array |
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{ |
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return array_map(static fn ($result) => $result->getDuration(), $results); |
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} |
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/** |
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* @param int[] $durations |
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* @return int |
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*/ |
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private function averageDuration(array $durations): int |
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{ |
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return (int) (array_sum($durations) / count($durations)); |
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} |
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/** |
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* @param Result[] $results |
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* @return int |
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*/ |
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private function getNumberOfResultsWithASolution(array $results): int |
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{ |
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$solvedResults = array_filter($results, static fn ($result) => $result->hasSolution()); |
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return count($solvedResults); |
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} |
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} |
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jmgq /
php-a-star
