LeaderElectionError

Enum LeaderElectionError 

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pub enum LeaderElectionError {
    ElectionDisabled,
    ProcessNotFound(String),
    NotInitialized,
    InvalidState(String),
    Fdb(FdbError),
    PackError(PackError),
    UnregisteredCandidate,
}
Expand description

Leader election specific errors

Represents all possible error conditions that can occur during leader election operations.

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ElectionDisabled

Election is currently disabled

Returned when attempting election operations while the election system is administratively disabled

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ProcessNotFound(String)

Process not found

The specified process UUID doesn’t exist in the election registry

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NotInitialized

Global configuration not initialized

The election system hasn’t been initialized with initialize()

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InvalidState(String)

Invalid state

The election system is in an inconsistent or unexpected state

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Fdb(FdbError)

Database error

An underlying FoundationDB error occurred

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PackError(PackError)

Serialization error

Failed to pack/unpack data using the tuple layer

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UnregisteredCandidate

Candidate not registered

The process attempted to claim leadership without being registered as a candidate

Trait Implementations§

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impl Debug for LeaderElectionError

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

Formats the value using the given formatter. Read more
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impl Display for LeaderElectionError

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

Formats the value using the given formatter. Read more
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impl Error for LeaderElectionError

1.30.0 · Source§

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

Returns the lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
1.0.0 · Source§

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

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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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. Read more
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impl From<FdbError> for LeaderElectionError

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fn from(error: FdbError) -> Self

Converts to this type from the input type.
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impl From<LeaderElectionError> for FdbBindingError

Available on crate feature recipes-leader-election only.
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fn from(error: LeaderElectionError) -> Self

Converts to this type from the input type.
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impl From<PackError> for LeaderElectionError

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fn from(error: PackError) -> Self

Converts to this type from the input type.

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Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V