doctrine / orm

     *

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

     */

    public function CollectionMemberExpression()

    {

        $not        = false;

        $entityExpr = $this->EntityExpression();

        if ($this->lexer->isNextToken(Lexer::T_NOT)) {

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

            $not = true;

        }

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

        if ($this->lexer->isNextToken(Lexer::T_OF)) {

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

        }

        $collMemberExpr = new AST\CollectionMemberExpression(

            $entityExpr, $this->CollectionValuedPathExpression()

        );

        $collMemberExpr->not = $not;

        return $collMemberExpr;

    }

    /**

     * Literal ::= string | char | integer | float | boolean

     *

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

     */

    public function ExistsExpression()

    {

        $not = false;

        if ($this->lexer->isNextToken(Lexer::T_NOT)) {

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

            $not = true;

        }

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

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

        $existsExpression = new AST\ExistsExpression($this->Subselect());

        $existsExpression->not = $not;

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

        return $existsExpression;

    }

    /**

     * ComparisonOperator ::= "=" | "<" | "<=" | "<>" | ">" | ">=" | "!="