Struct zng_task::http::CachePolicy

pub struct CachePolicy(/* private fields */);

Represents a serializable configuration for a cache entry in a CacheDb.

Implementations

impl CachePolicy

pub fn age(&self, now: SystemTime) -> Duration

Returns how long the response has been sitting in cache.

pub fn time_to_live(&self, now: SystemTime) -> Duration

Returns approximate time in milliseconds until the response becomes stale.

pub fn is_stale(&self, now: SystemTime) -> bool

Returns true if the cache entry has expired.

Trait Implementations

impl Clone for CachePolicy

fn clone(&self) -> CachePolicy

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for CachePolicy

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CachePolicy

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<CachePolicy> for CachePolicy

fn from(p: CachePolicy) -> Self

Converts to this type from the input type.

impl Serialize for CachePolicy

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.