pub struct CachedResult { /* private fields */ }Expand description
A cached query result with dependency metadata for three-tier validation.
§Raw byte fields
raw_key_bytes and raw_result_bytes are populated at insert time by
ShardedCache::insert_query for queries with PERSISTENT = true. They
hold the postcard-serialised key and value respectively, enabling
ShardedCache::iter_persistent to stream entries to disk without
acquiring shard locks during I/O.
For PERSISTENT = false queries (or entries inserted via the bare
ShardedCache::insert method) both byte slices are empty.
The typed value field is always populated for both persistent and
non-persistent queries; the raw bytes are a read-side convenience only.
Implementations§
Source§impl CachedResult
impl CachedResult
Sourcepub fn new<V: Clone + Send + Sync + 'static>(
value: V,
file_deps: SmallVec<[FileDep; 8]>,
edge_revision: Option<u64>,
metadata_revision: Option<u64>,
) -> Self
pub fn new<V: Clone + Send + Sync + 'static>( value: V, file_deps: SmallVec<[FileDep; 8]>, edge_revision: Option<u64>, metadata_revision: Option<u64>, ) -> Self
Creates a new cached result with dependency metadata.
Raw-byte fields are left empty; persistent is false. Use
ShardedCache::insert_query when raw-byte retention is required.
Sourcepub fn downcast_value<V: Clone + 'static>(&self) -> Option<&V>
pub fn downcast_value<V: Clone + 'static>(&self) -> Option<&V>
Attempts to downcast the value to the expected type.
Sourcepub fn edge_revision(&self) -> Option<u64>
pub fn edge_revision(&self) -> Option<u64>
Returns the cached edge revision, if tracked.
Sourcepub fn metadata_revision(&self) -> Option<u64>
pub fn metadata_revision(&self) -> Option<u64>
Returns the cached metadata revision, if tracked.
Sourcepub fn file_deps(&self) -> &SmallVec<[FileDep; 8]>
pub fn file_deps(&self) -> &SmallVec<[FileDep; 8]>
Returns the file deps for external validation.
Sourcepub fn raw_key_bytes(&self) -> &Arc<[u8]> ⓘ
pub fn raw_key_bytes(&self) -> &Arc<[u8]> ⓘ
Returns the raw postcard-serialised key bytes.
Empty (is_empty() == true) for non-persistent entries.
Sourcepub fn raw_result_bytes(&self) -> &Arc<[u8]> ⓘ
pub fn raw_result_bytes(&self) -> &Arc<[u8]> ⓘ
Returns the raw postcard-serialised result bytes.
Empty (is_empty() == true) for non-persistent entries.
Sourcepub fn query_type_id(&self) -> u32
pub fn query_type_id(&self) -> u32
Returns the stable on-disk query type discriminator.
Zero for non-typed entries (those inserted without ShardedCache::insert_query).
Sourcepub fn persistent(&self) -> bool
pub fn persistent(&self) -> bool
Returns whether this entry is eligible for persistence.
Sourcepub fn validate_file_deps(&self, inputs: &FileInputStore) -> bool
pub fn validate_file_deps(&self, inputs: &FileInputStore) -> bool
Validates Tier 1 file-level dependencies against the current input store.
Returns true if ALL recorded (FileId, revision) pairs match the
current revision in the store. Returns false if any file’s revision
has advanced or if a file has been removed from the store.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for CachedResult
impl !RefUnwindSafe for CachedResult
impl Send for CachedResult
impl Sync for CachedResult
impl Unpin for CachedResult
impl UnsafeUnpin for CachedResult
impl !UnwindSafe for CachedResult
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