class.ilOperatorsExpressionMapping.php

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<?php

require_once "./Modules/TestQuestionPool/interfaces/interface.iQuestionCondition.php";

abstract class ilOperatorsExpressionMapping {

        private static $mappings = array(
                iQuestionCondition::PercentageResultExpression => array("<", "<=", "=", ">=", ">", "<>"),
                iQuestionCondition::NumericResultExpression => array("<", "<=", "=", ">=", ">", "<>"),
                iQuestionCondition::StringResultExpression => array("=", "<>"),
                iQuestionCondition::MatchingResultExpression => array("=", "<>"),
                iQuestionCondition::OrderingResultExpression => array("=", "<>"),
                iQuestionCondition::NumberOfResultExpression => array("=", "<>"),
                iQuestionCondition::ExclusiveResultExpression => array("=", "<>"),
                iQuestionCondition::EmptyAnswerExpression => array("=", "<>")
        );

        public static function getOperatorsByExpression($expression)
        {
                return self::$mappings[$expression];
        }

        public static function getAll()
        {
                return self::$mappings;
        }
}