question: public void toEPL ( StringWriter writer , EPStatementFormatter formatter , boolean isTopLevel , boolean andDelete ) { formatter . beginSelect ( writer , isTopLevel ) ; writer . write ( "select " ) ; if ( andDelete ) { writer . write ( "and delete " ) ; } if ( distinct ) { writer . write ( "distinct " ) ; } if ( streamSelector == StreamSelector . ISTREAM_ONLY ) { } else if ( streamSelector == StreamSelector . RSTREAM_ONLY ) { writer . write ( "rstream " ) ; } else if ( streamSelector == StreamSelector . RSTREAM_ISTREAM_BOTH ) { writer . write ( "irstream " ) ; } if ( selectList != null && ! selectList . isEmpty ( ) ) { String delimiter = "" ; for ( SelectClauseElement element : selectList ) { writer . write ( delimiter ) ; element . toEPLElement ( writer ) ; delimiter = ", " ; } } else { writer . write ( '*' ) ; } }
target:  Renders the clause in textual representation.