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<?php |
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/** |
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* Copyright © 2018 Thomas Klein, All rights reserved. |
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* See LICENSE bundled with this library for license details. |
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*/ |
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declare(strict_types=1); |
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namespace LogicTree\Node; |
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/** |
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* Class Combine |
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*/ |
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final class Combine extends AbstractNode implements CombineInterface |
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{ |
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/** |
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* Operator code |
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* |
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* @var string |
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*/ |
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private $operator; |
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/** |
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* Invert final result flag |
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* |
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* @var bool |
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*/ |
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private $isInvert; |
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/** |
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* Nodes elements array |
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* |
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* @var \LogicTree\Node\NodeInterface[] |
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*/ |
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private $nodes; |
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/** |
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* Combine constructor |
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* |
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* @param string $operator |
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* @param bool $isInvert [optional] Is false by default. |
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* @param \LogicTree\Node\NodeInterface[] $children [optional] Is empty by default. |
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*/ |
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public function __construct( |
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string $operator, |
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bool $isInvert = null, |
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array $children = [] |
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) { |
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$this->setOperator($operator); |
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$this->setIsInvert($isInvert ?? false); |
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$this->setChildren($children); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getChildren(): array |
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{ |
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return $this->nodes; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setChildren(array $children): CombineInterface |
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{ |
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$this->nodes = []; |
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foreach ($children as $child) { |
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$this->addChild($child); |
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} |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addChild(NodeInterface $condition): CombineInterface |
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{ |
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if ($condition === $this) { |
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throw new \LogicException('Child node cannot be the current instance of itself.'); |
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} |
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$condition->setParent($this); |
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$this->nodes[] = $condition; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getCount(): int |
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{ |
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return \count($this->getChildren()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasChildren(): bool |
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{ |
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return $this->getCount() > 0; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isInvert(): bool |
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{ |
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return $this->isInvert; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setIsInvert(bool $isInvert): CombineInterface |
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{ |
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$this->isInvert = $isInvert; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getOperator(): string |
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{ |
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return $this->operator; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setOperator(string $operator): CombineInterface |
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{ |
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$this->operator = $operator; |
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return $this; |
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} |
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} |
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thomas-blackbird /
php-combine-conditions
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