Class AsyncValidationRule<T>

Represents an asynchronous validation rule and its error message.

Inheritance
object
AsyncValidationRule<T>
Inherited Members
Namespace: ValidationFramework
Assembly: ValidationFramework.dll
Syntax
public class AsyncValidationRule<T>
Type Parameters
Name Description
T

Constructors

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AsyncValidationRule(Func<T, CancellationToken, Task<bool>>, string)

Creates an asynchronous rule that receives the caller's cancellation token.

Declaration
public AsyncValidationRule(Func<T, CancellationToken, Task<bool>> rule, string errorMessage)
Parameters
Type Name Description
Func<T, CancellationToken, Task<bool>> rule
string errorMessage
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AsyncValidationRule(Func<T, Task<bool>>, string)

Creates an asynchronous validation rule.

Declaration
public AsyncValidationRule(Func<T, Task<bool>> rule, string errorMessage)
Parameters
Type Name Description
Func<T, Task<bool>> rule
string errorMessage

Methods

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ValidateAsync(T)

Validates a value asynchronously.

Declaration
public Task<(bool isValid, string error)> ValidateAsync(T value)
Parameters
Type Name Description
T value
Returns
Type Description
Task<(bool isValid, string error)>
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ValidateAsync(T, CancellationToken)

Validates a value and stops waiting when canceled. Rules should honor the token to stop any underlying I/O as well.

Declaration
public Task<(bool isValid, string error)> ValidateAsync(T value, CancellationToken cancellationToken)
Parameters
Type Name Description
T value
CancellationToken cancellationToken
Returns
Type Description
Task<(bool isValid, string error)>