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<?php |
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/* |
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* This file is part of php-cache\cache-bundle package. |
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* |
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* (c) 2015-2015 Aaron Scherer <[email protected]>, Tobias Nyholm <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace Cache\CacheBundle\DataCollector; |
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use Cache\CacheBundle\Cache\Recording\CachePool; |
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use Cache\CacheBundle\Cache\Recording\TraceableAdapterEvent; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\DataCollector\DataCollector; |
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/** |
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* @author Aaron Scherer <[email protected]> |
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* @author Tobias Nyholm <[email protected]> |
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*/ |
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class CacheDataCollector extends DataCollector |
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{ |
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/** |
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* @type CachePool[] |
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*/ |
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private $instances = []; |
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/** |
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* @param string $name |
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* @param CachePool $instance |
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*/ |
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public function addInstance($name, CachePool $instance) |
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{ |
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$this->instances[$name] = $instance; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function collect(Request $request, Response $response, \Exception $exception = null) |
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{ |
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$empty = ['calls' => [], 'config' => [], 'options' => [], 'statistics' => []]; |
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$this->data = ['instances' => $empty, 'total' => $empty]; |
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foreach ($this->instances as $name => $instance) { |
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$this->data['instances']['calls'][$name] = $instance->getCalls(); |
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} |
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$this->data['instances']['statistics'] = $this->calculateStatistics(); |
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$this->data['total']['statistics'] = $this->calculateTotalStatistics(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return 'php-cache'; |
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} |
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/** |
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* Method returns amount of logged Cache reads: "get" calls. |
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* |
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* @return array |
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*/ |
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public function getStatistics() |
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{ |
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return $this->data['instances']['statistics']; |
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} |
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/** |
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* Method returns the statistic totals. |
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* |
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* @return array |
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*/ |
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public function getTotals() |
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{ |
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return $this->data['total']['statistics']; |
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} |
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/** |
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* Method returns all logged Cache call objects. |
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* |
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* @return mixed |
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*/ |
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public function getCalls() |
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{ |
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return $this->data['instances']['calls']; |
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} |
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/** |
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* @return array |
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*/ |
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private function calculateStatistics() |
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{ |
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$statistics = []; |
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foreach ($this->data['instances']['calls'] as $name => $calls) { |
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$statistics[$name] = [ |
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'calls' => 0, |
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'time' => 0, |
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'reads' => 0, |
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'writes' => 0, |
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'deletes' => 0, |
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'hits' => 0, |
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'misses' => 0, |
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]; |
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/** @type TraceableAdapterEvent $call */ |
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foreach ($calls as $call) { |
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$statistics[$name]['calls'] += 1; |
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$statistics[$name]['time'] += $call->end - $call->start; |
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if ('getItem' === $call->name) { |
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$statistics[$name]['reads'] += 1; |
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View Code Duplication |
if ($call->hits) { |
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$statistics[$name]['hits'] += 1; |
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} else { |
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$statistics[$name]['misses'] += 1; |
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} |
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} elseif ('getItems' === $call->name) { |
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$count = $call->hits + $call->misses; |
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$statistics[$name]['reads'] += $count; |
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$statistics[$name]['hits'] += $call->hits; |
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$statistics[$name]['misses'] += $count - $call->misses; |
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} elseif ('hasItem' === $call->name) { |
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$statistics[$name]['reads'] += 1; |
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View Code Duplication |
if (false === $call->result) { |
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$statistics[$name]['misses'] += 1; |
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} else { |
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$statistics[$name]['hits'] += 1; |
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} |
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} elseif ('save' === $call->name) { |
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$statistics[$name]['writes'] += 1; |
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} elseif ('deleteItem' === $call->name) { |
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$statistics[$name]['deletes'] += 1; |
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} |
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} |
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if ($statistics[$name]['reads']) { |
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$statistics[$name]['hit_read_ratio'] = round(100 * $statistics[$name]['hits'] / $statistics[$name]['reads'], 2); |
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} else { |
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$statistics[$name]['hit_read_ratio'] = null; |
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} |
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} |
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return $statistics; |
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} |
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/** |
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* @return array |
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*/ |
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private function calculateTotalStatistics() |
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{ |
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$statistics = $this->getStatistics(); |
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$totals = [ |
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'calls' => 0, |
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'time' => 0, |
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'reads' => 0, |
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'writes' => 0, |
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'deletes' => 0, |
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'hits' => 0, |
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'misses' => 0, |
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]; |
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foreach ($statistics as $name => $values) { |
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foreach ($totals as $key => $value) { |
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$totals[$key] += $statistics[$name][$key]; |
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} |
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} |
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if ($totals['reads']) { |
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$totals['hit_read_ratio'] = round(100 * $totals['hits'] / $totals['reads'], 2); |
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} else { |
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$totals['hit_read_ratio'] = null; |
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} |
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return $totals; |
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} |
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} |
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php-cache /
cache-bundle
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.