Struct CacheOptions 

pub struct CacheOptions {
    pub ttl: Option<Duration>,
    pub policy: CachePolicy,
    pub write_policy: WritePolicy,
    pub tags: Vec<EntityTag>,
    pub max_size: Option<usize>,
    pub cache_empty: bool,
    pub bypass: bool,
    pub stale_while_revalidate: Option<Duration>,
}

Options for caching a query result.

Fields

ttl: Option<Duration>

Time-to-live for the cached entry.

policy: CachePolicy

Cache policy to use.

write_policy: WritePolicy

Write policy (when to write to cache).

tags: Vec<EntityTag>

Tags for invalidation.

max_size: Option<usize>

Skip caching if result is larger than this size (bytes).

cache_empty: bool

Whether to cache empty results.

bypass: bool

Whether to bypass cache for this query.

stale_while_revalidate: Option<Duration>

Stale-while-revalidate duration.

Implementations

impl CacheOptions

pub fn ttl(duration: Duration) -> Self

Create options with a specific TTL.

pub fn no_expire() -> Self

Create options that don’t expire.

pub fn bypass() -> Self

Create options that bypass the cache.

pub fn with_ttl(self, duration: Duration) -> Self

Set the TTL.

pub fn with_policy(self, policy: CachePolicy) -> Self

Set the cache policy.

pub fn with_write_policy(self, policy: WritePolicy) -> Self

Set the write policy.

pub fn with_tag(self, tag: impl Into<EntityTag>) -> Self

Add a tag.

pub fn with_tags(self, tags: impl IntoIterator<Item = EntityTag>) -> Self

Add multiple tags.

pub fn with_max_size(self, size: usize) -> Self

Set max size.

pub fn no_size_limit(self) -> Self

Don’t limit size.

pub fn no_cache_empty(self) -> Self

Don’t cache empty results.

pub fn stale_while_revalidate(self, duration: Duration) -> Self

Enable stale-while-revalidate.

pub fn short() -> Self

Short TTL preset (1 minute).

pub fn medium() -> Self

Medium TTL preset (5 minutes).

pub fn long() -> Self

Long TTL preset (1 hour).

pub fn daily() -> Self

Very long TTL preset (1 day).

Trait Implementations

impl Clone for CacheOptions

fn clone(&self) -> CacheOptions

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CacheOptions

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

Formats the value using the given formatter.

impl Default for CacheOptions

fn default() -> Self

Returns the “default value” for a type.