Class ServiceUnavailableError

Namespace: FunctionalDdd

Assembly: FunctionalDdd.RailwayOrientedProgramming.dll

Represents a temporary service unavailability error. Use this when the service is temporarily unable to handle the request due to maintenance or overload. Maps to HTTP 503 Service Unavailable.

public sealed class ServiceUnavailableError : Error, IEquatable<Error>

Inheritance: object

Error

ServiceUnavailableError

Implements: IEquatable<Error>

Inherited Members: Error.Code

Error.Detail

Error.Instance

Error.Equals(Error)

Error.Equals(object)

Error.GetHashCode()

Error.ToString()

Error.Validation(string, string, string, string)

Error.Validation(ImmutableArray<ValidationError.FieldError>, string, string)

Error.Validation(ImmutableArray<ValidationError.FieldError>, string, string, string)

Error.BadRequest(string, string)

Error.Conflict(string, string)

Error.NotFound(string, string)

Error.Unauthorized(string, string)

Error.Forbidden(string, string)

Error.Unexpected(string, string)

Error.Domain(string, string)

Error.RateLimit(string, string)

Error.ServiceUnavailable(string, string)

Error.BadRequest(string, string, string)

Error.Conflict(string, string, string)

Error.NotFound(string, string, string)

Error.Unauthorized(string, string, string)

Error.Forbidden(string, string, string)

Error.Unexpected(string, string, string)

Error.Domain(string, string, string)

Error.RateLimit(string, string, string)

Error.ServiceUnavailable(string, string, string)

object.Equals(object, object)

object.GetType()

object.ReferenceEquals(object, object)

Extension Methods: CombineErrorExtensions.Combine(Error?, Error)

MaybeExtensions.AsMaybe<T>(T)

MaybeExtensions.ToResult<TValue>(TValue)

NullableExtensions.ToResult<T>(T?, Error)

Examples

Error.ServiceUnavailable("Service is under maintenance. Please try again later")
Error.ServiceUnavailable("Database connection pool exhausted. Retry in 30 seconds")
Error.ServiceUnavailable("External payment gateway is temporarily unavailable")

Remarks

This indicates a temporary condition - the service is expected to be available again. Include retry-after information in the detail message when appropriate. For permanent unavailability or deprecated endpoints, consider using other error types.

Constructors

ServiceUnavailableError(string, string, string?)

Initializes a new instance of the ServiceUnavailableError class.

public ServiceUnavailableError(string detail, string code, string? instance = null)

Parameters