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<?php |
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/* |
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* This file is part of YaEtl |
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* (c) Fabrice de Stefanis / https://github.com/fab2s/YaEtl |
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* This source file is licensed under the MIT license which you will |
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* find in the LICENSE file or at https://opensource.org/licenses/MIT |
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*/ |
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namespace fab2s\YaEtl\Etl; |
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use DateTimeImmutable; |
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use DateTimeInterface; |
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use Exception; |
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use fab2s\NodalFlow\NodalFlowException; |
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use fab2s\YaEtl\Events\ProgressBarSubscriber; |
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use fab2s\YaEtl\YaEtl; |
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use fab2s\YaEtl\YaEtlException; |
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use ReflectionException; |
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abstract class EtlAbstract |
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{ |
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/** |
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* @var int|null |
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*/ |
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protected $limit = null; |
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/** |
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* The immutable time starting from when getNow or setNow are called |
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* |
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* @var DateTimeImmutable |
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*/ |
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protected $now; |
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/** |
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* @var YaEtl |
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*/ |
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protected $etl; |
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/** |
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* @var bool |
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*/ |
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protected $activateProgressBar = false; |
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/** |
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* @var mixed|null |
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*/ |
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protected $etlResult; |
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/** |
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* @throws NodalFlowException |
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* @throws YaEtlException|ReflectionException |
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* |
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* @return $this |
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*/ |
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public function run(): self |
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{ |
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$this->etlResult = null; |
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$etl = $this->getEtl(); |
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if ($this->activateProgressBar) { |
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new ProgressBarSubscriber($etl); |
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} |
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if ($this->getLimit()) { |
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$etl->limit($this->getLimit()); |
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} |
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$this->etlResult = $etl->exec(); |
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return $this; |
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} |
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public function getEtlResult() |
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{ |
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return $this->etlResult; |
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} |
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public function activateProgressBar(bool $activateProgressBar = true): self |
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{ |
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$this->activateProgressBar = $activateProgressBar; |
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return $this; |
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} |
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public function getLimit(): ?int |
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{ |
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return $this->limit; |
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} |
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public function setLimit(?int $limit): self |
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{ |
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$this->limit = $limit; |
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return $this; |
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} |
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/** |
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* @throws Exception |
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*/ |
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public function getNow(): DateTimeImmutable |
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{ |
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if (isset($this->now)) { |
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return $this->now; |
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} |
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return $this->now = new DateTimeImmutable('@' . time()); |
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} |
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public function setNow(DateTimeInterface $now): self |
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{ |
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$this->now = $now instanceof DateTimeImmutable ? $now : DateTimeImmutable::createFromMutable($now); |
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return $this; |
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} |
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/** |
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* @throws NodalFlowException |
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* @throws YaEtlException |
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*/ |
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abstract protected function getEtl(): YaEtl; |
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} |
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In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
integervalues, zero is a special case, in particular the following results might be unexpected: