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<?php |
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namespace Pinq\Queries\Builders\Interpretations; |
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use Pinq\IQueryable; |
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use Pinq\Queries; |
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use Pinq\Queries\Builders\Functions\IFunction; |
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use Pinq\Queries\Functions; |
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use Pinq\Queries\Segments; |
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/** |
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* Implementation of the scope parser |
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* |
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* @author Elliot Levin <[email protected]> |
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*/ |
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class ScopeParser extends BaseParser implements IScopeParser |
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{ |
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/** |
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* The parsed query segments. |
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* |
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* @var Queries\ISegment[] |
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*/ |
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protected $segments = []; |
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/** |
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* @var Queries\ISourceInfo |
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*/ |
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protected $sourceInfo; |
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public function getScope() |
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{ |
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return new Queries\Scope($this->sourceInfo, $this->segments); |
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} |
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public function buildSourceInterpretation() |
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{ |
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return new SourceParser($this->functionInterpreter); |
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} |
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public function buildJoinOptionsInterpretation() |
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{ |
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return new JoinOptionsParser($this->functionInterpreter); |
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} |
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public function buildScopeInterpretation() |
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{ |
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return new self($this->functionInterpreter); |
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} |
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public function interpretScopeSource(IQueryable $queryable) |
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{ |
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$this->sourceInfo = $queryable->getSourceInfo(); |
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} |
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/** |
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* @param IFunction $function |
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* |
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* @return Functions\ElementProjection |
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*/ |
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final protected function buildElementProjection(IFunction $function) |
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{ |
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return $this->buildFunction( |
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$function, |
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Functions\ElementProjection::factory() |
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); |
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} |
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public function interpretWhere($segmentId, IFunction $predicate) |
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{ |
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$this->segments[] = new Segments\Filter($this->buildElementProjection($predicate)); |
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} |
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public function interpretOrderings($segmentId, array $orderings) |
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{ |
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$orderingSections = []; |
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foreach ($orderings as $ordering) { |
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list($projection, $isAscendingId, $isAscendingValue) = $ordering; |
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$orderingSections[] = new Segments\Ordering( |
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$this->buildElementProjection($projection), |
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$isAscendingId); |
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} |
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$this->segments[] = new Segments\OrderBy($orderingSections); |
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} |
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public function interpretSlice($segmentId, $startId, $start, $amountId, $amount) |
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{ |
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$this->segments[] = new Segments\Range($startId, $amountId); |
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} |
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public function interpretIndexBy($segmentId, IFunction $projection) |
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{ |
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$this->segments[] = new Segments\IndexBy($this->buildElementProjection($projection)); |
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} |
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public function interpretKeys($segmentId) |
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{ |
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$this->segments[] = new Segments\Keys(); |
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} |
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public function interpretReindex($segmentId) |
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{ |
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$this->segments[] = new Segments\Reindex(); |
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} |
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public function interpretGroupBy($segmentId, IFunction $projection) |
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{ |
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$this->segments[] = new Segments\GroupBy($this->buildElementProjection($projection)); |
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} |
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public function interpretJoin( |
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$segmentId, |
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IJoinOptionsInterpretation $joinOptionsInterpretation, |
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IFunction $joinToFunction |
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) { |
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/* @var $joinOptionsInterpretation IJoinOptionsParser */ |
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$this->segments[] = new Segments\Join( |
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$joinOptionsInterpretation->getJoinOptions(), |
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$this->buildFunction($joinToFunction, Functions\ConnectorProjection::factory())); |
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} |
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public function interpretSelect($segmentId, IFunction $projection) |
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{ |
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$this->segments[] = new Segments\Select($this->buildElementProjection($projection)); |
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} |
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public function interpretSelectMany($segmentId, IFunction $projection) |
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{ |
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$this->segments[] = new Segments\SelectMany($this->buildElementProjection($projection)); |
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} |
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public function interpretUnique($segmentId) |
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{ |
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$this->segments[] = new Segments\Unique(); |
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} |
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public function interpretOperation($segmentId, $operationType, ISourceInterpretation $sourceInterpretation) |
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{ |
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/* @var $sourceInterpretation ISourceParser */ |
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$this->segments[] = new Segments\Operation( |
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$operationType, |
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$sourceInterpretation->getSource()); |
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} |
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} |
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TimeToogo /
Pinq
