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<?php |
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namespace Pinq\Queries\Builders; |
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use Pinq\Expressions as O; |
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use Pinq\Queries; |
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use Pinq\Queries\Builders\Interpretations\IJoinOptionsInterpretation; |
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/** |
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* Implementation of the scope expression interpreter. |
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* |
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* @author Elliot Levin <[email protected]> |
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*/ |
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class JoinOptionsInterpreter extends ExpressionInterpreter implements IJoinOptionsInterpreter |
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{ |
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/** |
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* @var IJoinOptionsInterpretation |
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*/ |
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protected $interpretation; |
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/** |
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* @var ISourceInterpreter |
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*/ |
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protected $sourceInterpreter; |
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public function __construct( |
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$segmentId, |
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IJoinOptionsInterpretation $interpretation, |
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ISourceInterpreter $sourceInterpreter, |
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O\IEvaluationContext $evaluationContext = null |
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) { |
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parent::__construct($segmentId, $evaluationContext); |
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$this->interpretation = $interpretation; |
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$this->sourceInterpreter = $sourceInterpreter; |
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} |
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public function getInterpretation() |
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{ |
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return $this->interpretation; |
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} |
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public function interpretJoinOptions( |
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O\MethodCallExpression $expression, |
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O\MethodCallExpression &$sourceExpression = null |
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) { |
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$defaultValueKeyPair = null; |
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while (strcasecmp($this->getMethodName($expression), 'withDefault') === 0) { |
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if ($defaultValueKeyPair === null) { |
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$defaultValueKeyPair = |
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[$this->getArgumentValueAt(0, $expression), $this->getOptionalArgumentValueAt(1, $expression)]; |
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} |
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$expression = $this->getSourceMethodCall($expression); |
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} |
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switch (strtolower($this->getMethodName($expression))) { |
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case 'on': |
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$this->interpretation->interpretCustomJoinFilter( |
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$this->getFunctionAt($this->getId('filter'), 0, $expression) |
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); |
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$expression = $this->getSourceMethodCall($expression); |
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break; |
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case 'onequality': |
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$this->interpretation->interpretEqualityJoinFilter( |
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$this->getFunctionAt($this->getId('outer-key'), 0, $expression), |
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$this->getFunctionAt($this->getId('inner-key'), 1, $expression) |
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); |
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$expression = $this->getSourceMethodCall($expression); |
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break; |
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} |
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$this->sourceInterpreter->interpretSource($this->getArgumentAt(0, $expression)); |
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$sourceInterpretation = $this->sourceInterpreter->getInterpretation(); |
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$isGroupJoin = strcasecmp($this->getMethodName($expression), 'groupJoin') === 0; |
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$sourceExpression = $expression; |
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return $this->interpretation->interpretJoinOptions( |
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$isGroupJoin, |
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$sourceInterpretation, |
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$defaultValueKeyPair !== null ? $this->getId('default-key') : null, |
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$defaultValueKeyPair !== null ? $this->getId('default-value') : null, |
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$defaultValueKeyPair |
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); |
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} |
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} |
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TimeToogo /
Pinq
