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<?php |
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/** |
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* @category Brownie/BpmOnline |
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* @author Brownie <[email protected]> |
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* @license https://opensource.org/licenses/MIT |
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*/ |
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namespace Brownie\BpmOnline\DataService\Column; |
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use Brownie\BpmOnline\Exception\ValidateException; |
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use Brownie\Util\StorageArray; |
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/** |
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* Filter for contracts. |
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* |
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* @method int getFilterType() Returns the type of filter. |
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* @method int getComparisonType() Returns the type of comparison. |
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* @method array getColumnExpressions() Returns column expressions. |
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*/ |
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class ColumnFilter extends StorageArray |
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{ |
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/* FILTER */ |
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/** |
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* Filter type not set. |
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*/ |
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const FILTER_NONE = 0; |
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/** |
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* Comparison filter. |
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*/ |
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const FILTER_COMPARE = 1; |
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/** |
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* A filter that checks if the test expression is empty or not empty. |
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*/ |
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const FILTER_IS_NULL = 2; |
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/** |
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* A filter that checks if the expression to be tested falls within the range of expressions. |
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*/ |
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const FILTER_BETWEEN = 3; |
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/** |
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* A filter that checks if the test expression is equal to one of the expressions. |
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*/ |
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const FILTER_IN = 4; |
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/** |
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* The filter "Exists according to the set condition". |
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*/ |
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const FILTER_EXISTS = 5; |
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/** |
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* Filter ser. |
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*/ |
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const FILTER_FILTER_GROUP = 6; |
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/* COMPARISON */ |
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/** |
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* Checks if the value falls within the range of values. |
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*/ |
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const COMPARISON_BETWEEN = 0; |
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/** |
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* Checks whether the value is empty. |
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*/ |
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const COMPARISON_IS_NULL = 1; |
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/** |
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* Checks that the value is not empty. |
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*/ |
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const COMPARISON_IS_NOT_NULL = 2; |
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/** |
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* Checks for equality of values. |
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*/ |
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const COMPARISON_EQUAL = 3; |
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/** |
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* Checks for inequality of values. |
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*/ |
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const COMPARISON_NOT_EQUAL = 4; |
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/** |
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* Checks that the value is less. |
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*/ |
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const COMPARISON_LESS = 5; |
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/** |
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* Checks that the value is less than or equal to. |
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*/ |
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const COMPARISON_LESS_OR_EQUAL = 6; |
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/** |
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* Checks that the value is greater. |
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*/ |
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const COMPARISON_GREATER = 7; |
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/** |
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* Verifying that the value is greater than or equal to. |
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*/ |
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const COMPARISON_GREATER_OR_EQUAL = 8; |
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/** |
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* Checks if the value starts with the search string. |
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*/ |
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const COMPARISON_START_WITH = 9; |
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/** |
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* Checks if the value does not start with the search string. |
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*/ |
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const COMPARISON_NO_START_WITH = 10; |
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/** |
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* Checks if the value includes the search string. |
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*/ |
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const COMPARISON_CONTAIN = 11; |
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/** |
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* Checks if the value does not include the search string. |
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*/ |
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const COMPARISON_NOT_CONTAIN = 12; |
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/** |
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* Checks if the value ends with the search string. |
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*/ |
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const COMPARISON_END_WITH = 13; |
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/** |
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* Checks if the value does not end with the search string. |
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*/ |
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const COMPARISON_NO_END_WITH = 14; |
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/** |
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* Exists according to the given condition. |
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*/ |
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const COMPARISON_EXISTS = 15; |
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/** |
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* Does not exist according to the given condition. |
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*/ |
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const COMPARISON_NOT_EXISTS = 16; |
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/** |
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* List of supported fields. |
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* |
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* @var array |
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*/ |
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protected $fields = [ |
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'filterType' => null, |
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'comparisonType' => null, |
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'columnExpressions' => [], |
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]; |
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/** |
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* Sets the input values. |
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* |
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* @param int $filterType Filter type. |
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* @param int $comparisonType Comparison Type. |
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* @param Column|null $_ Column expressions. |
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*/ |
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public function __construct($filterType, $comparisonType, Column $_ = null) |
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{ |
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parent::__construct([ |
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'filterType' => $filterType, |
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'comparisonType' => $comparisonType, |
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'columnExpressions' => array_slice(func_get_args(), 2), |
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]); |
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} |
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/** |
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* Returns data as an associative array. |
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* |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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$data = [ |
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'FilterType' => $this->getFilterType(), |
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'ComparisonType' => $this->getComparisonType(), |
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]; |
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switch ($this->getFilterType()) { |
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case self::FILTER_IN: |
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$data['LeftExpression'] = $this->getColumnExpressions()[0]->toArray(); |
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$data['RightExpressions'] = $this->getColumnExpressions()[1]->toArray(); |
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break; |
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case self::FILTER_COMPARE: |
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$data['LeftExpression'] = $this->getColumnExpressions()[0]->toArray(); |
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$data['RightExpression'] = $this->getColumnExpressions()[1]->toArray(); |
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break; |
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case self::FILTER_BETWEEN: |
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$data['LeftExpression'] = $this->getColumnExpressions()[0]->toArray(); |
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$data['RightLessExpression'] = $this->getColumnExpressions()[1]->toArray(); |
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$data['RightGreaterExpression'] = $this->getColumnExpressions()[2]->toArray(); |
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break; |
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} |
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return $data; |
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} |
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/** |
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* Validates filter data, throws an exception in case of an error. |
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* |
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* @throws ValidateException |
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*/ |
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public function validate() |
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{ |
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$this->checkFilterType(); |
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$this->checkComparisonType(); |
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$this->checkCompareColumnExpressions(); |
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$this->checkBetweenColumnExpressions(); |
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} |
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/** |
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* Filter type check. |
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* |
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* @throws ValidateException |
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*/ |
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private function checkFilterType() |
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{ |
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if ( |
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($this->getFilterType() < self::FILTER_NONE) || |
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($this->getFilterType() > self::FILTER_FILTER_GROUP) |
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) { |
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throw new ValidateException('Invalid filter.'); |
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} |
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} |
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/** |
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* Verification of the comparison method. |
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* |
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* @throws ValidateException |
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*/ |
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private function checkComparisonType() |
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{ |
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if ( |
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($this->getComparisonType() < self::COMPARISON_BETWEEN) || |
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($this->getComparisonType() > self::COMPARISON_NOT_EXISTS) |
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) { |
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throw new ValidateException('Invalid filter compare arguments.'); |
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} |
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} |
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/** |
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* Checking expressions for comparing values. |
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* |
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* @throws ValidateException |
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*/ |
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private function checkCompareColumnExpressions() |
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{ |
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if ( |
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(self::FILTER_BETWEEN != $this->getFilterType()) && |
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(2 != count($this->getColumnExpressions())) |
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) { |
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throw new ValidateException('Invalid filter_compare count column expressions.'); |
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} |
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} |
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/** |
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* Checking expressions for between values. |
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* |
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* @throws ValidateException |
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*/ |
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private function checkBetweenColumnExpressions() |
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{ |
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if ( |
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(self::FILTER_BETWEEN == $this->getFilterType()) && |
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(3 != count($this->getColumnExpressions())) |
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) { |
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throw new ValidateException('Invalid filter_between count column expressions.'); |
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} |
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} |
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} |
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