Struct EnhancedCacheEntry 

pub struct EnhancedCacheEntry<V> {
    pub value: V,
    pub created_at: Instant,
    pub expires_at: Instant,
    pub last_accessed: Arc<Mutex<Instant>>,
    pub access_count: Arc<AtomicU32>,
    pub size_bytes: usize,
    pub compressed: bool,
    pub priority: CachePriority,
    pub access_pattern: Arc<Mutex<AccessPattern>>,
}

Enhanced cache entry with rich metadata

Fields

value: V

The cached value

created_at: Instant

When the entry was created

expires_at: Instant

When the entry expires

last_accessed: Arc<Mutex<Instant>>

Last access time

access_count: Arc<AtomicU32>

Access frequency counter

size_bytes: usize

Size estimate in bytes

compressed: bool

Whether entry is compressed

priority: CachePriority

Priority level for eviction decisions

access_pattern: Arc<Mutex<AccessPattern>>

Access pattern analysis

Implementations

impl<V> EnhancedCacheEntry<V>

where V: Clone + Send + Sync,

pub fn new( value: V, ttl: Duration, size_bytes: usize, priority: CachePriority, ) -> Self

Create a new cache entry

pub fn is_expired(&self) -> bool

Check if entry is expired

pub async fn mark_accessed(&self)

Update access time and patterns

Panics

Panics if system time calculations fail during burst detection threshold computation.

pub async fn calculate_adaptive_ttl( &self, base_ttl: Duration, min_ttl: Duration, max_ttl: Duration, ) -> Duration

Calculate adaptive TTL based on access patterns

Trait Implementations

impl<V: Clone> Clone for EnhancedCacheEntry<V>

fn clone(&self) -> EnhancedCacheEntry<V>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<V: Debug> Debug for EnhancedCacheEntry<V>

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

Formats the value using the given formatter.