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<?php |
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namespace Maketok\DataMigration\Action\Type; |
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use Faker\Generator; |
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use Maketok\DataMigration\Action\ActionInterface; |
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use Maketok\DataMigration\Action\ConfigInterface; |
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use Maketok\DataMigration\Action\Exception\WrongContextException; |
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use Maketok\DataMigration\ArrayUtilsTrait; |
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use Maketok\DataMigration\Expression\LanguageInterface; |
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use Maketok\DataMigration\MapInterface; |
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use Maketok\DataMigration\Storage\Db\ResourceHelperInterface; |
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use Maketok\DataMigration\Unit\GenerateUnitInterface; |
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use Maketok\DataMigration\Unit\ImportFileUnitInterface; |
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use Maketok\DataMigration\Unit\UnitBagInterface; |
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use Maketok\DataMigration\Unit\UnitInterface; |
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use Maketok\DataMigration\Workflow\ResultInterface; |
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/** |
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* Generate data and insert into tmp files |
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*/ |
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class Generate extends AbstractAction implements ActionInterface |
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{ |
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use ArrayUtilsTrait; |
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/** |
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* @var UnitBagInterface|GenerateUnitInterface[]|ImportFileUnitInterface[] |
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*/ |
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protected $bag; |
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/** |
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* @var int |
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*/ |
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private $count; |
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/** |
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* @var Generator |
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*/ |
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private $generator; |
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/** |
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* @var array |
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*/ |
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private $buffer = []; |
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/** |
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* @var array |
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*/ |
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private $writeBuffer = []; |
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/** |
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* @var LanguageInterface |
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*/ |
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private $language; |
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/** |
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* @var ResultInterface |
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*/ |
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protected $result; |
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/** |
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* @var ResourceHelperInterface |
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*/ |
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private $helperResource; |
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/** |
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* @var MapInterface |
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*/ |
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private $map; |
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/** |
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* @var array |
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*/ |
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private $processedCounterContainer = []; |
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/** |
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* @var array |
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*/ |
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private $contributionBuffer = []; |
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/** |
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* Units that have been processed this iteration |
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* @var array |
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*/ |
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private $processedUnits = []; |
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/** |
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* @param UnitBagInterface $bag |
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* @param ConfigInterface $config |
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* @param LanguageInterface $language |
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* @param Generator $generator |
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* @param int $count |
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* @param MapInterface $map |
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* @param ResourceHelperInterface $helperResource |
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*/ |
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public function __construct( |
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UnitBagInterface $bag, |
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ConfigInterface $config, |
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LanguageInterface $language, |
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Generator $generator, |
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$count, |
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MapInterface $map, |
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ResourceHelperInterface $helperResource |
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) { |
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parent::__construct($bag, $config); |
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$this->count = $count; |
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$this->generator = $generator; |
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$this->language = $language; |
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$this->helperResource = $helperResource; |
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$this->map = $map; |
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} |
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/** |
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* {@inheritdoc} |
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* @throws WrongContextException |
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* @throws \LogicException |
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*/ |
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public function process(ResultInterface $result) |
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{ |
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$this->result = $result; |
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try { |
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$this->start(); |
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while ($this->count > 0) { |
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foreach ($this->bag as $unit) { |
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if (in_array($unit->getCode(), $this->processedUnits)) { |
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continue; |
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} |
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list($max, $center) = $unit->getGenerationSeed(); |
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$rnd = $this->getRandom($max, $center); |
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$i = 0; |
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while ($rnd > 0) { |
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$siblings = $unit->getSiblings(); |
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array_unshift($siblings, $unit); |
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/** @var GenerateUnitInterface|ImportFileUnitInterface $innerUnit */ |
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foreach ($siblings as $innerUnit) { |
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$this->processAdditions($innerUnit, $i); |
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if (!$this->shouldWrite($innerUnit)) { |
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$this->processedUnits[] = $innerUnit->getCode(); |
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continue 1; |
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} |
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$row = $this->getMappedRow($innerUnit); |
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// we care about parent ;) |
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/** @var ImportFileUnitInterface|GenerateUnitInterface $parent */ |
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if ($parent = $innerUnit->getParent()) { |
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$this->updateParents($parent); |
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} |
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// freeze map after 1st addition |
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$this->map->freeze(); |
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$this->buffer[$innerUnit->getCode()] = $row; |
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$this->processedUnits[] = $innerUnit->getCode(); |
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$this->writeBuffered($innerUnit->getCode(), $row); |
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$this->count($innerUnit); |
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} |
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$rnd--; |
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$i++; |
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} |
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} |
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$this->contributionBuffer = []; |
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$this->processedCounterContainer = []; |
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$this->writeRows(); |
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$this->map->unFreeze(); |
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$this->count--; |
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$this->processedUnits = []; |
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$this->buffer = []; |
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} |
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} catch (\Exception $e) { |
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$this->close(); |
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throw $e; |
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} |
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$this->close(); |
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} |
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/** |
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* @param GenerateUnitInterface|ImportFileUnitInterface $unit |
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* @param int $idx |
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*/ |
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protected function processAdditions(GenerateUnitInterface $unit, $idx = 0) |
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{ |
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if (isset($this->contributionBuffer[$idx])) { |
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$cBuffer = $this->contributionBuffer[$idx]; |
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} else { |
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$this->contributionBuffer[$idx] = []; |
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$cBuffer = []; |
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} |
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if (!in_array($unit->getCode(), $cBuffer)) { |
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foreach ($unit->getGenerationContributions() as $contribution) { |
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$this->language->evaluate($contribution, [ |
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'generator' => $this->generator, |
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'map' => $this->map, |
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'resource' => $this->helperResource, |
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'hashmaps' => $unit->getHashmaps(), |
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]); |
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} |
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$this->contributionBuffer[$idx][] = $unit->getCode(); |
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} |
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/** @var GenerateUnitInterface|ImportFileUnitInterface $sibling */ |
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foreach ($unit->getSiblings() as $sibling) { |
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if (!in_array($sibling->getCode(), $cBuffer)) { |
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foreach ($sibling->getGenerationContributions() as $contribution) { |
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$this->language->evaluate($contribution, [ |
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'generator' => $this->generator, |
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'map' => $this->map, |
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'resource' => $this->helperResource, |
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'hashmaps' => $sibling->getHashmaps(), |
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]); |
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} |
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$this->contributionBuffer[$idx][] = $sibling->getCode(); |
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} |
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} |
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} |
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/** |
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* @param ImportFileUnitInterface $unit |
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* @return bool |
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*/ |
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protected function shouldWrite(ImportFileUnitInterface $unit) |
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{ |
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foreach ($unit->getWriteConditions() as $condition) { |
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$shouldAdd = $this->language->evaluate($condition, [ |
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'generator' => $this->generator, |
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'map' => $this->map, |
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'resource' => $this->helperResource, |
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'hashmaps' => $unit->getHashmaps(), |
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]); |
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if (!$shouldAdd) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @param UnitInterface $unit |
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*/ |
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protected function count(UnitInterface $unit) |
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{ |
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if (($this->bag->getUnitLevel($unit->getCode()) == 1) && !in_array($unit->getCode(), $this->processedCounterContainer)) { |
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$this->result->incrementActionProcessed($this->getCode()); |
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$this->processedCounterContainer[] = $unit->getCode(); |
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foreach ($unit->getSiblings() as $sibling) { |
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$this->processedCounterContainer[] = $sibling->getCode(); |
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} |
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} |
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} |
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/** |
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* @param GenerateUnitInterface|ImportFileUnitInterface $unit |
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* @return array |
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*/ |
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protected function getMappedRow(GenerateUnitInterface $unit) |
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{ |
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return array_map(function ($el) use ($unit) { |
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return $this->language->evaluate($el, [ |
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'generator' => $this->generator, |
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'resource' => $this->helperResource, |
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'map' => $this->map, |
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'units' => $this->buffer, |
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'hashmaps' => $unit->getHashmaps(), |
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]); |
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}, $unit->getGeneratorMapping()); |
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} |
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/** |
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* prepare map |
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* @deprecated do not use |
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*/ |
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protected function prepareMap() |
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{ |
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if (!empty($this->buffer)) { |
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$assembledBuffer = $this->assembleResolve($this->buffer); |
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if ($this->map->isFresh($assembledBuffer)) { |
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$this->map->feed($assembledBuffer); |
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} |
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} |
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} |
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/** |
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* @param GenerateUnitInterface|ImportFileUnitInterface $parent |
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*/ |
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protected function updateParents(GenerateUnitInterface $parent) |
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{ |
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$parentRow = array_map(function ($el) use ($parent) { |
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return $this->language->evaluate($el, [ |
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'generator' => $this->generator, |
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'resource' => $this->helperResource, |
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'map' => $this->map, |
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'units' => $this->buffer, |
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'hashmaps' => $parent->getHashmaps(), |
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]); |
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}, $parent->getGeneratorMapping()); |
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if ($this->shouldWrite($parent)) { |
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$this->buffer[$parent->getCode()] = $parentRow; |
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$this->writeBuffered($parent->getCode(), $parentRow, true); |
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} |
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// account for parent siblings :) |
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/** @var GenerateUnitInterface|ImportFileUnitInterface $sibling */ |
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foreach ($parent->getSiblings() as $sibling) { |
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$siblingRow = array_map(function ($el) use ($sibling) { |
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return $this->language->evaluate($el, [ |
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'generator' => $this->generator, |
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'resource' => $this->helperResource, |
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'map' => $this->map, |
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'units' => $this->buffer, |
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'hashmaps' => $sibling->getHashmaps(), |
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]); |
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}, $sibling->getGeneratorMapping()); |
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if ($this->shouldWrite($sibling)) { |
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$this->buffer[$sibling->getCode()] = $siblingRow; |
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$this->writeBuffered($sibling->getCode(), $siblingRow, true); |
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} |
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3 |
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} |
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3 |
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} |
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/** |
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* @param string $unitCode |
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* @param array $row |
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* @param bool $replace |
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*/ |
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5 |
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protected function writeBuffered($unitCode, $row, $replace = false) |
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{ |
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if (isset($this->writeBuffer[$unitCode]) && is_array($this->writeBuffer[$unitCode])) { |
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3 |
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if ($replace) { |
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// pop last element into void |
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array_pop($this->writeBuffer[$unitCode]); |
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3 |
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} |
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3 |
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$this->writeBuffer[$unitCode][] = $row; |
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3 |
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} else { |
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5 |
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$this->writeBuffer[$unitCode] = [$row]; |
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} |
320
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5 |
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} |
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/** |
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* write buffered rows |
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*/ |
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5 |
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protected function writeRows() |
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{ |
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5 |
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foreach ($this->bag as $unit) { |
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5 |
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if (isset($this->buffer[$unit->getCode()])) { |
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$buffered = $this->writeBuffer[$unit->getCode()]; |
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foreach ($buffered as $row) { |
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5 |
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$unit->getFilesystem()->writeRow($row); |
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5 |
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} |
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5 |
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} |
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5 |
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} |
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5 |
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$this->writeBuffer = []; |
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5 |
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} |
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/** |
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* @param int $max |
340
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* @param int $center |
341
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* @param int $min |
342
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* @return int |
343
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* @throws \LogicException |
344
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*/ |
345
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6 |
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public function getRandom($max, $center, $min = 1) |
346
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{ |
347
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6 |
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$min = (int) $min; |
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6 |
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$max = (int) $max; |
349
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6 |
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$center = (int) $center; |
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6 |
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if ($min == $max) { |
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return $min; |
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} |
353
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4 |
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if ($min > $max || $min > $center || $center > $max) { |
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throw new \LogicException("Wrong values given."); |
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} |
356
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// get 1/8 |
357
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4 |
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$period = (int) ceil($max/8); |
358
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4 |
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$pMin = max($min, $center - $period); |
359
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4 |
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$pMax = min($center+$period, $max); |
360
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4 |
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$s1 = mt_rand(0, 1); |
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361
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4 |
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if ($s1 == 0) { |
362
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4 |
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return mt_rand($pMin, $pMax); |
363
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} else { |
364
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4 |
|
$s2 = mt_rand(0, 1); |
|
|
|
|
365
|
4 |
|
if (0 == $s2) { |
366
|
3 |
|
return mt_rand($min, $pMin); |
367
|
|
|
} else { |
368
|
4 |
|
return mt_rand($pMax, $max); |
369
|
|
|
} |
370
|
|
|
} |
371
|
|
|
} |
372
|
|
|
|
373
|
|
|
/** |
374
|
|
|
* open handlers |
375
|
|
|
* @throws WrongContextException |
376
|
|
|
*/ |
377
|
6 |
|
private function start() |
378
|
|
|
{ |
379
|
6 |
|
$this->result->setActionStartTime($this->getCode(), new \DateTime()); |
380
|
6 |
|
foreach ($this->bag as $unit) { |
381
|
6 |
|
if ($unit->getGeneratorMapping() === null) { |
382
|
1 |
|
throw new WrongContextException( |
383
|
1 |
|
sprintf( |
384
|
1 |
|
"Can not use generation with unit %s. No generation mapping found.", |
385
|
1 |
|
$unit->getCode() |
386
|
1 |
|
) |
387
|
1 |
|
); |
388
|
|
|
} |
389
|
5 |
|
$unit->setTmpFileName($this->getTmpFileName($unit)); |
390
|
5 |
|
$unit->getFilesystem()->open($unit->getTmpFileName(), 'w'); |
391
|
5 |
|
} |
392
|
5 |
|
} |
393
|
|
|
|
394
|
|
|
/** |
395
|
|
|
* close all handlers |
396
|
|
|
*/ |
397
|
6 |
|
private function close() |
398
|
|
|
{ |
399
|
6 |
|
foreach ($this->bag as $unit) { |
400
|
6 |
|
$unit->getFilesystem()->close(); |
401
|
6 |
|
} |
402
|
6 |
|
$this->result->setActionEndTime($this->getCode(), new \DateTime()); |
403
|
6 |
|
} |
404
|
|
|
|
405
|
|
|
/** |
406
|
|
|
* {@inheritdoc} |
407
|
|
|
*/ |
408
|
7 |
|
public function getCode() |
409
|
|
|
{ |
410
|
7 |
|
return 'generate'; |
411
|
|
|
} |
412
|
|
|
} |
413
|
|
|
|
The class complexity is the sum of the complexity of all methods. A very high value is usually an indication that your class does not follow the single reponsibility principle and does more than one job.
Some resources for further reading:
You can also find more detailed suggestions for refactoring in the “Code” section of your repository.