Class AsyncValidationExtensions

Provides extensions for combining asynchronous validation results.

Inheritance
object
AsyncValidationExtensions
Inherited Members
Namespace: ValidationFramework
Assembly: ValidationFramework.dll
Syntax
public static class AsyncValidationExtensions

Methods

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Merge(ValidationResult, Task<ValidationResult>)

Merges an already completed task. Use MergeAsync for pending operations to avoid blocking a synchronization context and deadlocking UI or request threads.

Declaration
[Obsolete("Use MergeAsync to safely await asynchronous validation results.")]
public static ValidationResult Merge(this ValidationResult first, Task<ValidationResult> second)
Parameters
Type Name Description
ValidationResult first
Task<ValidationResult> second
Returns
Type Description
ValidationResult
Exceptions
Type Condition
InvalidOperationException

The task is still pending.
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MergeAsync(IEnumerable<Task<ValidationResult>>)

Awaits all result tasks and combines errors in input order.

Declaration
public static Task<ValidationResult> MergeAsync(this IEnumerable<Task<ValidationResult>> results)
Parameters
Type Name Description
IEnumerable<Task<ValidationResult>> results
Returns
Type Description
Task<ValidationResult>
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MergeAsync(IEnumerable<Task<ValidationResult>>, CancellationToken)

Awaits all result tasks with cancellation and combines their errors.

Declaration
public static Task<ValidationResult> MergeAsync(this IEnumerable<Task<ValidationResult>> results, CancellationToken cancellationToken)
Parameters
Type Name Description
IEnumerable<Task<ValidationResult>> results
CancellationToken cancellationToken
Returns
Type Description
Task<ValidationResult>
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MergeAsync(ValidationResult, Task<ValidationResult>)

Awaits another validation result and combines its errors.

Declaration
public static Task<ValidationResult> MergeAsync(this ValidationResult first, Task<ValidationResult> second)
Parameters
Type Name Description
ValidationResult first
Task<ValidationResult> second
Returns
Type Description
Task<ValidationResult>
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MergeAsync(ValidationResult, Task<ValidationResult>, CancellationToken)

Awaits another validation result with cancellation and combines its errors.

Declaration
public static Task<ValidationResult> MergeAsync(this ValidationResult first, Task<ValidationResult> second, CancellationToken cancellationToken)
Parameters
Type Name Description
ValidationResult first
Task<ValidationResult> second
CancellationToken cancellationToken
Returns
Type Description
Task<ValidationResult>