NotRule class

Validation rule negate another rule. When embedded rule returns no errors, than this rule return an error. When embedded rule return errors, than the rule returns no errors.

See IValidationRule

Example

var schema =  Schema()
    .withRule( NotRule(
         ValueComparisonRule('EQ', 1)
    ));

schema.validate(1);          // Result: error
schema.validate(5);          // Result: no error
Implemented types

Constructors

NotRule(IValidationRule rule)
Creates a new validation rule and sets its values [...]

Properties

hashCode → int
The hash code for this object. [...]
read-only, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited

Methods

validate(String path, Schema schema, dynamic value, List<ValidationResult> results) → void
Validates a given value against this rule. [...]
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() → String
Returns a string representation of this object.
inherited

Operators

operator ==(dynamic other) → bool
The equality operator. [...]
inherited