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<?php |
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namespace Saxulum\ElasticSearchQueryBuilder\Node; |
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class ObjectNode implements NodeInterface |
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{ |
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/** |
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* @var string |
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*/ |
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protected $name; |
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/** |
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* @var NodeInterface[]|array |
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*/ |
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protected $children = []; |
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/** |
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* @var boolean |
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*/ |
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protected $allowNoChildren; |
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/** |
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* @param string $name |
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* @param boolean $allowNoChildren |
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*/ |
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public function __construct($name, $allowNoChildren = false) |
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{ |
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$this->name = $name; |
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$this->allowNoChildren = $allowNoChildren; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* @param NodeInterface $node |
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* @return $this |
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*/ |
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public function add(NodeInterface $node) |
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{ |
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if (isset($this->children[$node->getName()])) { |
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throw new \InvalidArgumentException(sprintf('There is already a child with name: %s', $node->getName())); |
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} |
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$this->children[$node->getName()] = $node; |
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return $this; |
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} |
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/** |
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* @param NodeInterface $node |
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* @return $this |
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*/ |
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public function remove(NodeInterface $node) |
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{ |
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if (isset($this->children[$node->getName()])) { |
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unset($this->children[$node->getName()]); |
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} |
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return $this; |
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} |
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/** |
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* @return \stdClass|null |
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*/ |
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public function serialize() |
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{ |
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$serialzedChildren = new \stdClass(); |
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$serialzedChildrenCount = 0; |
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foreach ($this->children as $child) { |
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if (null !== $serialzedChild = $child->serialize()) { |
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$serialzedChildren->{$child->getName()} = $serialzedChild->{$child->getName()}; |
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$serialzedChildrenCount++; |
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} |
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} |
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if (0 === $serialzedChildrenCount && !$this->allowNoChildren) { |
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return null; |
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} |
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$serialized = new \stdClass(); |
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$serialized->{$this->getName()} = $serialzedChildren; |
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return $serialized; |
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} |
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} |
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saxulum /
saxulum-elasticsearch-querybuilder
