class Athena::Validator::Constraints::IsNil

Overview

Validates that a value is nil.

Configuration

Optional Arguments

message

Type: String Default: This value should be null.

The message that will be shown if the value is not nil.

Placeholders

The following placeholders can be used in this message:

groups

Type: Array(String) | String | Nil Default: nil

The [validation groups][Athena::Validator::Constraint--validation-groups] this constraint belongs to. AVD::Constraint::DEFAULT_GROUP is assumed if nil.

payload

Type: Hash(String, String)? Default: nil

Any arbitrary domain-specific data that should be stored with this constraint. The [payload][Athena::Validator::Constraint--payload] is not used by Athena::Validator, but its processing is completely up to you.

Defined in:

constraints/is_nil.cr

Constant Summary

NOT_NIL_ERROR = "2c88e3c7-9275-4b9b-81b4-48c6c44b1804"

Constructors

Instance Method Summary

Instance methods inherited from class Athena::Validator::Constraint

add_implicit_group(group : String) : Nil add_implicit_group, groups : Array(String) groups, groups=(groups : Array(String)) groups=, message : String message, payload : Hash(String, String) | Nil payload, validated_by : AVD::ConstraintValidator.class validated_by

Constructor methods inherited from class Athena::Validator::Constraint

new(message : String, groups : Array(String) | String | Nil = nil, payload : Hash(String, String) | Nil = nil) new

Class methods inherited from class Athena::Validator::Constraint

error_name(error_code : String) : String error_name

Constructor Detail

def self.new(message : String = "This value should be null.", groups : Array(String) | String | Nil = nil, payload : Hash(String, String) | Nil = nil) #

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Instance Method Detail

def validated_by : AVD::ConstraintValidator.class #

Returns the AVD::ConstraintValidator.class that should handle validating self.


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