Enum VersionCheck 

pub enum VersionCheck {
    New,
    Expected(i64),
    Auto,
}

Version check strategy for optimistic concurrency control.

Variants

New

First event for this aggregate (expected version is 0)

Expected(i64)

Require aggregate to be at this exact version

Auto

Automatically load and use current version (use sparingly)

Implementations

impl VersionCheck

pub fn version(&self) -> Option<i64>

Trait Implementations

impl Clone for VersionCheck

fn clone(&self) -> VersionCheck

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for VersionCheck

impl Debug for VersionCheck

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

Formats the value using the given formatter.

impl Eq for VersionCheck

impl PartialEq for VersionCheck

fn eq(&self, other: &VersionCheck) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for VersionCheck