Struct CacheMetadata 

pub struct CacheMetadata {
    pub source_path: Option<PathBuf>,
    pub source_mtime: Option<SystemTime>,
    pub cached_at: SystemTime,
    pub ttl: Option<Duration>,
    pub size_bytes: usize,
    pub compression_ratio: f32,
}

Cache entry metadata

Fields

source_path: Option<PathBuf>

Original .apr file path (for invalidation)

source_mtime: Option<SystemTime>

Source file modification time (staleness check)

cached_at: SystemTime

Cache entry creation time

ttl: Option<Duration>

Time-to-live (None = infinite)

size_bytes: usize

Entry size in bytes

compression_ratio: f32

Compression ratio achieved

Implementations

impl CacheMetadata

pub fn new(size_bytes: usize) -> Self

Create new cache metadata

pub fn with_source(self, path: PathBuf, mtime: SystemTime) -> Self

Create with source path

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

Set TTL

pub fn with_compression_ratio(self, ratio: f32) -> Self

Set compression ratio

pub fn is_expired(&self) -> bool

Check if entry is expired

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

Check if entry is stale (source modified)

pub fn age(&self) -> Duration

Get age of cache entry

Trait Implementations

impl Clone for CacheMetadata

fn clone(&self) -> CacheMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CacheMetadata

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

Formats the value using the given formatter.