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<?php |
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namespace POData\UriProcessor\QueryProcessor; |
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use POData\Common\Messages; |
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/** |
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* Class AnonymousFunction |
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* @package POData\UriProcessor\QueryProcessor |
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*/ |
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class AnonymousFunction |
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{ |
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/** |
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* An array of parameters to the function represented by this instance |
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* |
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* @var array |
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*/ |
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private $_parameters; |
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/** |
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* Parameters as string separated by comma |
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* |
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* @var string |
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*/ |
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private $_parametersAsString; |
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/** |
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* body of the function represented by this instance |
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* |
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* @var string |
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*/ |
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private $_code; |
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/** |
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* Reference to the anonymous function represented by this instance |
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* reference will be the name of the function in the form char(0).lamba_n. |
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* |
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* @var string |
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*/ |
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private $_reference = null; |
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/** |
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* Create new instance of AnonymousFunction |
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* |
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* @param array $parameters Array of parameters |
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* @param string $code Body of the function |
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*/ |
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public function __construct($parameters, $code) |
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{ |
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$this->_parameters = $parameters; |
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foreach ($this->_parameters as $parameter) { |
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if (strpos($parameter, '$') !== 0) { |
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throw new \InvalidArgumentException( |
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Messages::anonymousFunctionParameterShouldStartWithDollarSymbol() |
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); |
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} |
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} |
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$this->_parametersAsString = implode(', ', $this->_parameters); |
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$this->_code = $code; |
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} |
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/** |
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* Gets function parameters as array. |
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* |
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* @return array |
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*/ |
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public function getParameters() |
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{ |
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return $this->_parameters; |
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} |
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/** |
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* Gets function parameters as string seperated by comma |
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* |
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* @return string |
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*/ |
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public function getParametersAsString() |
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{ |
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return $this->_parametersAsString; |
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} |
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/** |
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* Gets number of parameters |
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* |
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* @return int |
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*/ |
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public function getParametersCount() |
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{ |
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return count($this->_parameters); |
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} |
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/** |
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* Gets function body |
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* |
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* @return string |
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*/ |
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public function getCode() |
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{ |
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return $this->_code; |
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} |
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/** |
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* Gets refernece to the anonymous function. |
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* |
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* @return string |
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*/ |
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public function getReference() |
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{ |
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if (is_null($this->_reference)) { |
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$this->_reference = create_function( |
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$this->_parametersAsString, $this->_code |
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); |
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} |
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return $this->_reference; |
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} |
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} |
balint777 /
POData
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