Struct CacheExpiryWindow 

pub struct CacheExpiryWindow {
    pub cached_at: DateTime<Utc>,
    pub expires_at: DateTime<Utc>,
}

A cache timestamp window.

Fields

cached_at: DateTime<Utc>

expires_at: DateTime<Utc>

Implementations

impl CacheExpiryWindow

pub fn from_now(ttl: Duration) -> Self

Build a window from the current UTC time and a TTL.

pub fn from_base(cached_at: DateTime<Utc>, ttl: Duration) -> Self

Build a window from an explicit base timestamp and a TTL.

pub fn is_expired_at(&self, now: DateTime<Utc>) -> bool

Whether this window is expired at now.

pub fn is_valid_at(&self, now: DateTime<Utc>) -> bool

Whether this window is valid at now.

pub fn cached_at_rfc3339(&self) -> String

Cached-at timestamp encoded as RFC3339.

pub fn expires_at_rfc3339(&self) -> String

Expires-at timestamp encoded as RFC3339.

Trait Implementations

impl Clone for CacheExpiryWindow

fn clone(&self) -> CacheExpiryWindow

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CacheExpiryWindow

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

Formats the value using the given formatter.

impl PartialEq for CacheExpiryWindow

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for CacheExpiryWindow

impl Eq for CacheExpiryWindow

impl StructuralPartialEq for CacheExpiryWindow