Enum CommandError 

pub enum CommandError {
    Validation(Vec<ValidationError>),
    BusinessLogic(String),
    NotFound(String),
    AlreadyExecuted(String),
    Internal(String),
}

Available on crate feature cqrs only.

Command execution errors

Variants

Validation(Vec<ValidationError>)

Validation failed

BusinessLogic(String)

Business logic error

NotFound(String)

Handler not found

AlreadyExecuted(String)

Idempotency violation (command already executed)

Internal(String)

Internal error

Trait Implementations

impl Clone for CommandError

fn clone(&self) -> CommandError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CommandError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for CommandError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for CommandError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.