doctrine / orm

     *

     * @return \Doctrine\ORM\Query\AST\GeneralCaseExpression

     */

    public function GeneralCaseExpression()

    {

        $this->match(Lexer::T_CASE);

        // Process WhenClause (1..N)

        $whenClauses = [];

        do {

            $whenClauses[] = $this->WhenClause();

        } while ($this->lexer->isNextToken(Lexer::T_WHEN));

        $this->match(Lexer::T_ELSE);

        $scalarExpression = $this->ScalarExpression();

        $this->match(Lexer::T_END);

        return new AST\GeneralCaseExpression($whenClauses, $scalarExpression);

    }

    /**

     * SimpleCaseExpression ::= "CASE" CaseOperand SimpleWhenClause {SimpleWhenClause}* "ELSE" ScalarExpression "END"

     *

     * @return AST\SimpleCaseExpression

     */

    public function SimpleCaseExpression()

    {

        $this->match(Lexer::T_CASE);

        $caseOperand = $this->StateFieldPathExpression();

        // Process SimpleWhenClause (1..N)

        $simpleWhenClauses = [];

        do {

            $simpleWhenClauses[] = $this->SimpleWhenClause();

        } while ($this->lexer->isNextToken(Lexer::T_WHEN));

        $this->match(Lexer::T_ELSE);

        $scalarExpression = $this->ScalarExpression();

        $this->match(Lexer::T_END);

        return new AST\SimpleCaseExpression($caseOperand, $simpleWhenClauses, $scalarExpression);

    }

    /**

     * WhenClause ::= "WHEN" ConditionalExpression "THEN" ScalarExpression