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<?php |
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declare(strict_types=1); |
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namespace Redislabs\Module\RedisGraph; |
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final class Node |
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{ |
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private ?string $label; |
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private ?iterable $properties; |
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private ?string $alias = null; |
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private ?string $queryPredicate; |
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public function __construct(?string $label = null, ?iterable $properties = null, ?string $queryPredicate = null) |
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{ |
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$this->label = $label; |
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$this->alias = randomString(); |
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$this->properties = $properties; |
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$this->queryPredicate = $queryPredicate; |
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} |
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public static function create(): self |
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{ |
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return new self(); |
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} |
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public static function createWithLabel(string $label): self |
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{ |
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return new self($label); |
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} |
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public static function createWithLabelAndProperties(string $label, iterable $properties): self |
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{ |
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return new self($label, $properties); |
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} |
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public function withLabel(string $label): self |
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{ |
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$new = clone $this; |
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$new->label = $label; |
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return $new; |
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} |
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public function withProperties(iterable $properties): self |
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{ |
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$new = clone $this; |
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$new->properties = $properties; |
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return $new; |
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} |
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public function withAlias(string $alias): self |
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{ |
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$new = clone $this; |
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$new->alias = $alias; |
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return $new; |
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} |
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public function withQueryPredicate(string $queryPredicate): self |
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{ |
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$new = clone $this; |
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$new->queryPredicate = $queryPredicate; |
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return $new; |
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} |
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public function getAlias(): string |
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{ |
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return $this->alias; |
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} |
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public function getLabel(): ?string |
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{ |
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return $this->label; |
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} |
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public function getProperties(): iterable |
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{ |
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return $this->properties; |
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} |
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public function toString(): string |
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{ |
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$nodeString = '(' . $this->getAlias(); |
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if ($this->alias !== null) { |
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// $nodeString .= $this->alias; |
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} |
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if ($this->label !== null) { |
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$nodeString .= ':' . $this->label . ' '; |
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} |
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if ($this->properties !== null) { |
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$nodeString .= '{' . $this->getProps($this->properties) . '}'; |
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} |
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$nodeString .= ')'; |
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return $nodeString; |
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} |
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private function getProps(iterable $properties): string |
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{ |
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$props = ''; |
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foreach ($properties as $propKey => $propValue) { |
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if ($props !== '') { |
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$props .= ', '; |
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} |
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$props .= $propKey . ': ' . $this->getPropValueWithDataType($propValue); |
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} |
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return $props; |
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} |
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private function getPropValueWithDataType($propValue) |
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{ |
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$type = gettype($propValue); |
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if ($type === 'string') { |
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return quotedString((string) $propValue); |
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} |
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return (int) $propValue; |
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} |
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public function getQueryPredicate(): string |
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{ |
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return $this->queryPredicate ?? 'MATCH'; |
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} |
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} |
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mkorkmaz /
redislabs-redisgraph-php
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