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<?php |
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namespace Saxulum\ElasticSearchQueryBuilder; |
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use Saxulum\ElasticSearchQueryBuilder\Node\AbstractNode; |
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use Saxulum\ElasticSearchQueryBuilder\Node\ArrayNode; |
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use Saxulum\ElasticSearchQueryBuilder\Node\CallbackNode; |
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use Saxulum\ElasticSearchQueryBuilder\Node\ObjectNode; |
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use Saxulum\ElasticSearchQueryBuilder\Node\ScalarNode; |
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class QueryBuilder |
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{ |
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/** |
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* @var ObjectNode |
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*/ |
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protected $rootNode; |
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/** |
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* @var AbstractNode |
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*/ |
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protected $node; |
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public function __construct() |
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{ |
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$this->rootNode = new ObjectNode(); |
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$this->node = $this->rootNode; |
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} |
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/** |
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* @return Expr |
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*/ |
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public function a() |
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{ |
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return new Expr(new ArrayNode()); |
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} |
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/** |
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* @param \Closure $callback |
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* |
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* @return Expr |
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*/ |
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public function c(\Closure $callback) |
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{ |
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return new Expr(new CallbackNode($callback)); |
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} |
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/** |
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* @return Expr |
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*/ |
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public function o() |
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{ |
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return new Expr(new ObjectNode()); |
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} |
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/** |
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* @return Expr |
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*/ |
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public function s($value = null) |
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{ |
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return new Expr(new ScalarNode($value)); |
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} |
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/** |
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* @param Expr $expr |
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* |
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* @return $this |
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*/ |
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public function add(Expr $expr) |
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{ |
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$this->addChild($expr); |
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$this->reassignParent($expr); |
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return $this; |
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} |
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/** |
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* @param Expr $expr |
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*/ |
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protected function addChild(Expr $expr) |
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{ |
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$node = $expr->getNode(); |
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if ($this->node instanceof ArrayNode) { |
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$this->node->add($node, $expr->isAllowDefault()); |
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} elseif ($this->node instanceof ObjectNode) { |
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$this->node->add($expr->getKey(), $node, $expr->isAllowDefault()); |
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} |
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} |
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/** |
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* @param Expr $expr |
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*/ |
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protected function reassignParent(Expr $expr) |
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{ |
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$node = $expr->getNode(); |
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if ($node instanceof ArrayNode || $node instanceof ObjectNode) { |
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$this->node = $node; |
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} |
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} |
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/** |
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* @return $this |
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*/ |
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public function end() |
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{ |
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$this->node = $this->node->getParent(); |
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return $this; |
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} |
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/** |
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* @return Query |
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*/ |
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public function query() |
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{ |
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return new Query($this->rootNode); |
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} |
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} |
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saxulum /
saxulum-elasticsearch-querybuilder
