Struct CapacityAllocator 

pub struct CapacityAllocator { /* private fields */ }

A reusable capacity allocator for object counts, bytes, or other units.

Implementations

impl CapacityAllocator

pub fn new( parent: &Rc<Entity>, name: &str, capacity: usize, capacity_unit: impl Into<String>, ) -> Result<Self, SimError>

Create a standalone allocator with its own child entity.

pub fn for_entity( entity: &Rc<Entity>, capacity: usize, capacity_unit: impl Into<String>, ) -> Result<Self, SimError>

Create allocator bookkeeping on an existing entity.

pub fn used(&self) -> usize

pub fn capacity(&self) -> usize

pub fn capacity_unit(&self) -> &str

pub fn level_change_event(&self) -> Repeated<usize>

pub async fn wait_for_capacity(&self, units: usize) -> SimResult

pub fn allocate(&self, units: usize) -> SimResult

pub fn release(&self, units: usize)

pub async fn reserve( &self, units: usize, ) -> Result<CapacityReservation, SimError>

Trait Implementations

impl Clone for CapacityAllocator

fn clone(&self) -> CapacityAllocator

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Display for CapacityAllocator

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

Formats the value using the given formatter.

impl GetEntity for CapacityAllocator

fn entity(&self) -> &Rc<Entity>

Return the Entity