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<?php declare(strict_types=1); |
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/** |
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* This file is part of the daikon-cqrs/value-object project. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Daikon\ValueObject; |
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use Daikon\Interop\Assertion; |
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final class Range implements ValueObjectInterface |
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{ |
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private array $range; |
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/** @param self $comparator */ |
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public function equals($comparator): bool |
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{ |
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Assertion::isInstanceOf($comparator, self::class); |
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return $this->toNative() === $comparator->toNative(); |
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} |
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/** @param array $value */ |
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public static function fromNative($value): self |
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{ |
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Assertion::isArray($value, 'Trying to create Range from unsupported value type.'); |
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Assertion::count($value, 2, 'Range must have two values.'); |
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Assertion::allInteger($value, 'Range values are not integers.'); |
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$values = array_values($value); |
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Assertion::greaterOrEqualThan($values[1], $values[0], 'Range end must be greater than or equal to start.'); |
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return new self($values); |
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} |
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public function toNative(): array |
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{ |
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return $this->range; |
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} |
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public function getStart(): int |
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{ |
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return $this->range[0]; |
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} |
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public function getEnd(): int |
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{ |
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return $this->range[1]; |
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} |
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public function getSize(): int |
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{ |
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return ($this->range[1] - $this->range[0]) + 1; |
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} |
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public function __toString(): string |
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{ |
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return sprintf('[%d,%d]', $this->range[0], $this->range[1]); |
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} |
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private function __construct(array $range) |
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{ |
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$this->range = $range; |
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} |
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} |
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daikon-cqrs /
value-object
