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<?php |
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namespace Krenor\Prometheus\Storage\Repositories; |
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use Tightenco\Collect\Support\Collection; |
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use Krenor\Prometheus\Contracts\Repository; |
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use Krenor\Prometheus\Exceptions\StorageException; |
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abstract class SimpleRepository implements Repository |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get(string $key): Collection |
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{ |
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return new Collection($this->retrieve($key) ?: []); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function increment(string $key, string $field, float $value): void |
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{ |
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$collection = $this->get($key); |
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$collection->put($field, |
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$collection->get($field, 0) + $value |
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); |
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if (!$this->store($key, $collection)) { |
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throw new StorageException('The storage returned `false`.'); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function decrement(string $key, string $field, float $value): void |
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{ |
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$this->increment($key, $field, -abs($value)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set(string $key, string $field, $value, $override = true): void |
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{ |
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$collection = $this->get($key); |
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if (!$override && $collection->get($field) !== null) { |
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return; |
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} |
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if (!$this->store($key, $collection->put($field, $value))) { |
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throw new StorageException('The storage returned `false`.'); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function push(string $key, float $value): void |
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{ |
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$collection = $this->get($key); |
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if (!$this->store($key, $collection->push($value))) { |
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throw new StorageException('The storage returned `false`.'); |
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} |
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} |
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/** |
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* @param string $key |
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* |
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* @return mixed |
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*/ |
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abstract protected function retrieve(string $key); |
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/** |
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* @param string $key |
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* @param Collection $collection |
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* |
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* @return bool |
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*/ |
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abstract protected function store(string $key, Collection $collection): bool; |
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} |
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krenor /
prometheus-client
