Handles all errors that occur during query validation. This object is returned from execute request function (ans <- execute_request(query, schema)
) under the field 'error_list' (ans$error_list
).
Usage
answer <- execute_request(my_request, my_schema)
answer$error_list
Initialize
- verbose
boolean that determines if errors will be printed on occurrence. Defaults to
TRUE
Details
$n
count of errors received
$errors
list of error information
$verbose
boolean that determines of errors are printed when received
$has_no_errors()
helper method to determine if there are no errors
$has_any_errors()
helper method to determine if there are any errors
$get_sub_source(loc)
helper method to display a subsection of source text given Location information
$add(rule_code, ...)
add a new error according to the rule_code
provided. Remaining arguments are passed directly to paste(..., sep = "")
with extra error rule information
$.format(...)
formats the error list into user friendly text. Remaining arguments are ignored
$print(...)
prints the error list by calling self$format(...)
Examples
error_list <- ErrorList$new()
error_list
#> <ErrorList> No errors
error_list$has_any_errors() # FALSE
#> [1] FALSE
error_list$has_no_errors() # TRUE
#> [1] TRUE
error_list$add("3.1.1", "Multiple part", " error about Scalars")
#> Error:
#> * 3.1.1: Scalars
#> Multiple part error about Scalars
error_list
#> <ErrorList>
#> Errors:
#> 3.1.1: Scalars
#> Multiple part error about Scalars
error_list$has_any_errors() # TRUE
#> [1] TRUE
error_list$has_no_errors() # FALSE
#> [1] FALSE