Enum StoreError 

pub enum StoreError {
    NotFound {
        id: String,
    },
    Conflict {
        id: String,
        reason: String,
    },
    Io(String),
    InvalidQuery(String),
}

Errors returned by AtomStore, BlockStore, and EdgeStore implementations.

Variants

NotFound

An entity with the given ID could not be found.

Fields

id: String

Conflict

A write was rejected due to a duplicate key or failed optimistic concurrency check.

Fields

id: String

reason: String

Io(String)

An I/O or serialization failure occurred.

InvalidQuery(String)

The supplied Query was malformed.

Implementations

impl StoreError

pub fn not_found(id: impl Display) -> Self

Convenience constructor for NotFound.

pub fn conflict(id: impl Display, reason: impl Into<String>) -> Self

Convenience constructor for Conflict.

pub fn io(msg: impl Into<String>) -> Self

Convenience constructor for Io.

pub fn invalid_query(msg: impl Into<String>) -> Self

Convenience constructor for InvalidQuery.

Trait Implementations

impl Debug for StoreError

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

Formats the value using the given formatter.

impl Display for StoreError

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

Formats the value using the given formatter.

impl Error for StoreError

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.