public Boolean getIncludeStatus ( ) { if ( formula . isTrue ( ) ) { return Boolean . TRUE ; } else if ( formula . isFalse ( ) ) { return Boolean . FALSE ; } return null ; }
Returns a Boolean value indicating the value of the formula expression or null if the formula expression contains undefined features . The formula is NOT simplified prior to returning the result for performance reasons so some expressions that may simplify to TRUE can return a null value .