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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 defined. |
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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_FILTER = 1; |
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/** |
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* A filter that determines whether the expression being tested is empty or not. |
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*/ |
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//const FILTER_IS_NULL_FILTER = 2; |
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/** |
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* A filter that checks if the expression being checked is in 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 whether the expression being tested is equal to one of the expressions. |
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*/ |
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//const FILTER_IN_FILTER = 4; |
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/** |
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* Filter existence by a given field. |
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*/ |
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//const FILTER_EXISTS = 5; |
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/** |
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* Filter group. |
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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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* Value range. |
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*/ |
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const COMPARISON_BETWEEN = 0; |
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/** |
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* Equally. |
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*/ |
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const COMPARISON_EQUAL = 3; |
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/** |
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* Not equal. |
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*/ |
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const COMPARISON_NOT_EQUAL = 4; |
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/** |
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* Starts with an expression. |
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*/ |
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const COMPARISON_START_WITH = 9; |
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/** |
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* Does not start with an expression. |
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*/ |
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const COMPARISON_NO_START_WITH = 10; |
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/** |
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* Contains an expression. |
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*/ |
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const COMPARISON_CONTAIN = 11; |
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/** |
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* Does not contain an expression. |
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*/ |
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const COMPARISON_NOT_CONTAIN = 12; |
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/** |
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* Ends expression. |
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*/ |
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const COMPARISON_END_WITH = 13; |
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/** |
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* Does not end with an expression. |
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*/ |
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const COMPARISON_NO_END_WITH = 14; |
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/** |
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* More. |
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*/ |
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//const COMPARISON_GREATER = -1; |
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/** |
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* More or equal. |
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*/ |
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//const COMPARISON_GREATER_OR_EQUAL = -1; |
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/** |
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* Less. |
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*/ |
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//const COMPARISON_LESS = -1; |
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/** |
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* Less or equal. |
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*/ |
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//const COMPARISON_LESS_OR_EQUAL = -1; |
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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 ColumnExpression|null $_ Column expressions. |
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*/ |
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public function __construct($filterType, $comparisonType, ColumnExpression $_ = 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_COMPARE_FILTER: |
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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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$this->checkBetweenColumnExpressions(); |
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} |
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/** |
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* Filter type check. |
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* |
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* @throws ValidateException |
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*/ |
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private function checkFilterType() |
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{ |
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if (!in_array( |
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$this->getFilterType(), |
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[ |
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self::FILTER_COMPARE_FILTER, |
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self::FILTER_BETWEEN |
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] |
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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 (!in_array( |
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$this->getComparisonType(), |
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[ |
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self::COMPARISON_EQUAL, |
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self::COMPARISON_BETWEEN |
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] |
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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_COMPARE_FILTER == $this->getFilterType()) && |
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(2 != count($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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